houston-powder-coaters-header-01.jpg

FBE Applicator Houston Powder Coaters & Ifs Erss 62900 Multi-Purpose Red-61 Fusion Bonded Epoxy

houston-powder-coating-2010

In addition to offering good physical and chemical resistance and protection for underground and subsea pipeline service, certain Fusion Bonded Epoxies (FBE), like IFS ERSS 62900 Multi-Purpose Red-61, are also NSF/ANSI 61 Certified. That means that this extremely durable internal coating can also be used for pipe carrying potable/drinking water.

In case you weren’t already aware, NSF International, formerly known as the National Sanitation Foundation, is an independent non-government accredited organization. Although it plays a part in food safety, NSF is usually associated with the standards regarding direct and indirect drinking water additives. Likewise, ANSI, the American National Standards Institute, is a private, non-governmental organization that oversees consensus standards in the United States. 

Both agencies are intertwined so much so that NSF certifications are frequently labeled as NSF/ANSI. As a result, the NSF/ANSI 61 “Drinking Water System” Standard covers the material safety of pipe and pipe related products to ensure that contaminants are not leaching into drinking/potable water.

Continue reading

Protective Metal Coatings In Houston

houston-powdercoating-3015

There are various protective metal coatings in Houston available for industrial, commercial, and architectural applications. We offer two main options at Houston Powder Coaters.

The powder coating industry makes up around 15% of the market for protective metal coatings in Houston. It was first introduced in the 1960s in North America, and over the decades has become the go-to protective finish for many different industries whose needs are vast.  Powder coatings require no solvents like liquid paints and coatings, so they emit almost no volatile organic compounds, or VOCs for short.  Without a liquid solvent the powder coating can be applied more thickly as it is not susceptible to sags like its liquid counterparts. With their low environmental impact, myriad of colors, and near infinite catalog of uses, protective metal coatings in Houston are in high demand.

Fusion-bonded epoxy coating, or FBE coating for short, is a type of protective metal coating typically used to protect steel pipes used in pipeline construction, rebar, valves, and more from corrosion. On the interior of the pipes, a phenolic primer is used as an anti-corrosive basecoat that is resistant to oxygenated atmospheres but also carbon dioxide, hydrogen sulfide, methane, brine, and petroleum distillates.  After the primer comes the FBE, and with that the interior is done. On the exterior, the phenolic primer step is skipped, instead FBE is applied and then a fusion-bonded polyester finishes the exterior for a superior protective metal coating.

Continue reading

Powder Coating Color Charts

houston-powdercoating-3020

The process of powder coating lends a durable, long-lasting, and environmentally-friendly protection to steel surfaces. In addition to its practicality, this coating is also aesthetically pleasing due to multiple coating passes and flow technology which result in an even, bump-free finish. Importantly, the color of the actual coating is versatile as well, with a good variety of standard colors available according to the RAL powder coating color charts and the associated standards, as well as custom or non-standard formulations to match hard-to-reproduce colors.

In many cases, protective coatings must match a very specific existing color. This may be due to the necessity of matching pre-existing surfaces, strict brand standards, or cases where color is used to communicate safety information in a hazardous environment. In many circumstances, the standard RAL powder coating color charts are sufficient for matching desired colors. Developed in Germany in 1927, the RAL color standard defines over 2,300 colors for use in powder coating applications. Such a standard is useful for both powder coating shops and customers of powder coating services because accurate reproduction is important—every application using a specific color should be indistinguishable. If a specific color is used for one job, it should be consistent with another job down the road using the same specification.

In addition to the colors specified by the RAL standard, many powder coating shops can formulate custom colors. This process, albeit timely, may be important for hard-to-match and non-standard colors due to previous jobs using unconventional colors, or the necessity of exact color matching for branding purposes.

Continue reading

Axalta Nap-Gard® 7-2500 Fusion Bonded Epoxy – NSF Certified & HAP-Free

houston-powdercoating-3021

In the pursuit of bringing hydrocarbons to market, there are many obstacles, both natural and man-made. Some of these difficulties can be circumvented, but others, like corrosion, are unavoidable. As much as oil and gas production companies would love to dodge this process altogether, it’s a natural part of chemistry and physics, and it’s not going anywhere any time soon. Over the decades, many technologies have been created to resist or prevent corrosion-damage to pipelines. These pipelines are essential to the delivery of hydrocarbons, but are susceptible to corrosion damage from the heat, moisture, and abrasives that are often present in these working conditions. One such technology used in the battle against corrosion is fusion bonded epoxy coatings (FBE).

FBE coatings are supplied by multiple manufacturers. Axalta is a leading provider of protective coatings throughout North America, offering an array of high-tech FBE options. Axalta Nap-Gard® 7-2500 Fusion Bonded Epoxy is one such coating, designed to provide corrosion protection in the demanding oil and gas production environment. In addition, Nap-Gard® 7-2500 is used in transporting wastewater and saltwater, each of which present their own challenges that must be addressed.

Nap-Gard® 7-2500 is designed to provide protection for both internal and external surfaces of pipeline. The protection of both surfaces is important: internal surfaces are exposed to chemically-active hydrocarbons, while outside surfaces can be exposed to high heat, high pressures, and abrasives such as salt. The 7-2500 specification is formulated to withstand high temperatures of 107°C (225°F)—vital heat protection in the unforgiving oil and gas production environment. In addition to providing this protection for oil and gas applications, the product complies with NSF-61 specification, meaning that it’s approved for transporting potable water.

Continue reading

Outdoor Patio Furniture Restoration And Repair

houston-powdercoating-3030

The warm summer months have arrived—or, if you’re in Houston, you may have already been experiencing summer weather for weeks now. In the days ahead, many of us will spend time outside with family and friends. Whether that time includes a dip in the swimming pool or just conversations on the deck, outdoor patio furniture is used in many outdoor gatherings in Houston. These pieces can provide a convenient place to relax and can also add decorative flavor to an outdoor space.

Of course, outdoor patio furniture is also constantly exposed to the elements, which can damage the finish over time. The climate in Houston can be especially unforgiving—the humidity and sun damage can leave patio furniture in desperate need of attention, whether it’s a family piece handed down through the generations or a newer one purchased at the specialty patio store. Outdoor patio furniture restoration in Houston can alleviate the damaging effects of the weather, and keep furniture looking new and inviting.

Though powder coating in Houston is prominently used in industrial and commercial settings, the processes and techniques also provide for superior coating protection in a job as small as the refinishing of deck chairs. The powder coating process utilizes strict surface preparation standards in which industrial equipment is used to remove rust and dirt from the piece, as well as any previous coatings such as paint. These surface preparation techniques, including abrasive blasting, burn-off, or hand-etching, produce a cleaner surface than any DIY job could ever attain. Anchor profiles are also created through these processes, which provides for better adherence when the powder coating is applied.

Continue reading

Anti-Microbial Powder Coatings In Houston – Another Layer Of Protection

houston-powder-coating-201_20231220-164541_1

High performance protection in the world of powder coating is normally associated with engineered formulations that repel caustic environmental conditions. However, it can also simply relate to the incorporation of silver ions into the powder to inhibit the growth and spread of mildew and microbes.

The term “anti-microbial” has everyday connotations related to cleaning agents like Clorox or Lysol. After all, this billion-dollar industry has been successful in having us wipe down our counters on a daily basis. However, what if the surface itself was actively disinfecting itself.  Instead of using a sanitizing alcohol wipe, the surface itself was self-cleaning. Anti-microbial powder coatings use the environmentally responsible naturally occurring element of silver (which has been shown to offer protection against microbes without toxic reactions to humans and animals).

In the healthcare industry, anti-microbial powder coatings are crucial to the health and wellness of a facility and its patients. Medical trolleys and equipment, hospital beds, door push plates, handicap rails, and stair railings can all be powder coated to prevent the spread of hospital infections such as MRSA and E. Coli. With anti-microbial powder coatings, the growth of infectious microbes is inhibited and not allowed to spread. In fact, several of these anti-microbial powder coatings pass ISO22196 and JIS Z 2801 testing standards for efficacy.

Continue reading

Architectural Powder Coating In Texas

houston-powdercoating-3040

Powder coating in Houston isn’t just important for the protection of pipelines in the oil and gas industry—it has applications in many other industries. In the economic powerhouse of Houston, powder coating is also used in residential and commercial construction. From the fencing and awnings that protect our homes to the railings, banisters, gates, and light poles that provide accessibility to commercial spaces, powder coating protects a variety of surfaces in Houston’s hot and humid climate.

The advanced electrostatic application process used in powder coating provides an especially resilient and durable surface, but it’s also aesthetically pleasing. Powder coat colors are readily available in a wide variety of on-hand stock, and if stock colors don’t provide an exact match, coat colors can also be specially formulated to match a specific need.

The powder coating in Houston process adheres to strict preparation and quality standards no matter the surface or application. Architectural finishes, like those that would commonly be used in residential or commercial spaces, must follow the American Architectural Manufacturers Association (AAMA) standards. The AAMA provides offers three specifications for the performance that a coating is expected to achieve:

Continue reading

Industrial Powder Coating In Texas

houston-powdercoating-3050

Industrial powder coating in Texas may not be a flashy subject, but the technology and specialized services associated with it are paramount to providing high level protection to industrial parts and projects.  Businesses looking to safeguard their physical assets invest in powder coating as a form of elongating parts’ operational lifecycles.  Furthermore, it is important to recognize that all coating applicators are not the same.  An experienced and capable powder coating shop should be large enough to handle all elements of the process in-house.  This will not only maximize efficiencies but also result in faster turnarounds.

Texas is home to many different industries, with agriculture, manufacturing, and oil and gas being among the largest and most important to the local economies. In heavy industries, such as oil and gas, the protection of metal surfaces is a critical aspect that requires close attention. Drilling fluid, hydrocarbons, CO2, CH4, and other contaminants are harsh on metal surfaces such as the extensive piping that services the upstream and downstream segments. This where industrial powder coating in Texas reveals its importance.

Powder coating as a process is different from other types of protective and anti-corrosive coatings, such as simple paint. Industrial powder coating in Texas involves the use of an electrostatic gun that applies a dry powder to the surface needing protection. The coating is cured under heat to produce a tough finish that exceeds in protecting the metal substrate.  For internal protection, the recent development of the triple-application fusion bonded epoxy (FBE) system provides especially resilient and durable protection for the many miles of piping that transport petroleum products.

Continue reading

Brown Jordan, Woodard, Tropitone, Winston, Homecrest – Patio Furniture Repair And Refinishing

houston-powder-coating-2012

So you bought a high-quality outdoor furniture set years ago, and it’s now looking a bit weathered.  A couple of the slings are worn and sagging. One of swivel chairs isn’t turning so well. And the paint is now coming off in flakes. Do you toss it to the curb and buy new?  ABSOLUTELY NOT. 

Whether you have Brown Jordan, Woodard, Tropitone, Winston, or Homecrest Patio Furniture, Houston Powder Coaters (HPC) can refurbish and refinish your outdoor patio furniture in Houston, TX to make it look brand new.  In fact, Houston Powder Coaters is very experienced with and an accredited warranty repair center for many high-end brands:

OW Lee, Suncoast, Mallin, Oxford Garden, Telescope Casual, Oakland Living, Agio, Hanover Outdoor, Meadowcraft, Summer Classics, Brown Jordan, Woodard, Tropitone, Homecrest, Winston, Alfresco Home, Hampton Bay, Style Selections, Sunjoy, Foremost Casual, Leisure Made, Allen & Roth, Darlee Outdoor Living, Carter Grandle, and Hanamint to name a few.

Continue reading

Benefits Of Powder Coating Gates, Fence Panels, And Banisters

houston-powdercoating-3060

Bare metal components on the exterior of a home are going to rust – there are no two ways about it. Exposure to oxygen, humidity, and rain will begin the corrosion process, which will only get worse as time wears on. Sunlight (and its harsh UV rays) also breaks down traditional coatings and allows fluctuating seasonal temperatures to weaken joints and attack critical areas. These environmental elements seem to be constantly conspiring to ruin metal structures on the exterior of a home. Thus, protective coatings are a must for your outdoor gates, fence panels, and banisters. Protective (functional) coatings will also reduce maintenance costs over time and increase the value of your home.

The most basic type of coating—the simple paint job—provides some protection but leaves a lot to be desired. Average consumer-grade paint, when applied by a non-professional, is susceptible to uneven finishes, chipping, and cracking that can quickly jumpstart the corrosion process. Furthermore, a couple coats of paint will not build up enough “mils” to protect these pieces over time. Even a commercial grade paint will lose its gloss level over a year or two due to its lack of clearcoat resins.

Powder coating gates, fence panels, and banisters has increased in popularity over the years due to its higher level of protection and elegant look. Compared to traditional wet paint applications, the benefits of powder coating gates, fence panels, and banisters are exponentially greater.

Continue reading

Powder Coating In Houston – River Oaks, West University Place, Memorial, Sugar Land, & Beyond

houston-powder-coating-2013

The process of powder coating for industrial, commercial, and even household uses underwent many changes after its inception in the 1940s and 1950s.  Initially, organic polymers or macromolecules were flame sprayed. This process uses high heat to transform the macromolecules into a semi-molten state as it is sprayed directly onto the substrate’s surface. In the 1960s and 1970s, a desire for environmentally friendly coating processes and new application techniques renewed interest in powder coating that resulted in massive growth for the industry. The lack of volatile organic compounds (VOCs) in the powder coating industry offers a level of environmental and worker safety unseen in liquid coatings. 

Houston is a unique city in that it is home to a myriad of industries that rely on powder coating: petroleum & natural gas, manufacturing, construction, to name a few. However, due to the booming population of Houston and the surrounding areas like River Oaks, West University Place, Memorial, and Sugar Land, powder coating shops need to be diverse enough to cater to these large industrial segments as well as to individuals for smaller one-off projects, like patio furniture and driveway gates.

This wide spectrum of services is accomplished by offering an all-inclusive, full turnkey operation that will make the ‘whole powder coating process’ easier and less expensive (as all the work will be done in-house). Offering “extra services” like media blasting, welding repair, custom packaging, as well as the recovering and re-slinging of patio chairs, ottomans, benches, and chaise lounges allows for a single company to manage the entire process from start to finish. This translates to a much higher level of accountability through internal production reports and daily process updates. With multiple large over-sized ovens, in-house media blasting, and close relationships with over a dozen powder manufacturers in North America, Houston Powder Coaters has developed a process that avoids hiccups and ensures quick and reliable service. In fact, Houston Powder Coaters offers pick-up and delivery of residential powder coating in Houston and the surrounding areas like River Oaks, West University Place, Memorial, and Sugar Land.  Now, that is what you call full turnkey.

Continue reading

Abrasive Blasting In Houston – Media Blasting Versus Sand Blasting

houston-powder-coating-2014

Sand blasting is a general term used by those inexperienced with surface preparation to encompass all methods of blast cleaning.  However, the more appropriate phrase should be ‘abrasive media blasting’ as not all methods use sand. In fact, sand is one of the worst medias to blast with and is dangerous to the health of those who use it. During the blasting process, the speed and intensity of the sand’s impact on the metal will cause its particles to break down into a fine silica dust which can infiltrate workers’ lungs (causing health problems such as silicosis and kidney damage). 

Houston Powder Coaters uses steel grit for its abrasive media blasting in Houston, as it does not break down the way other blast media does. Blasting with steel grit is much safer for the environment and the workers that use it. In fact, steel grit is the safest method of abrasive blasting when compared to sand, coal slag, or nickel slag. It is important to mention again that Houston Powder Coaters does not, will not, and has never used sand for any of its blast medias.

Documented in hundreds of articles, powder coating is well known for its environmental friendliness. As steel grit’s reusability means less waste and higher levels of recyclability, this blasting media coincides nicely with the ecological responsibility that the rest of the powder application process employs. While steel grit may cost more upfront than other methods of abrasive media blasting in Houston, TX, the true cost is far less than sand or slag. Sand and slag are single-use medias and must be continually replaced. This translates to additional trucking delivery and removal as well as increased man-hours moving new inventories into place. On the other hand, steel grit can be recycled, filtered, and reused time and time again. Steel grit purchases are significantly less often which eliminates the constant replacement of inventories.

Continue reading

The History Of Powder Coating: Houston

houston-powder-coating-2015

Powder coating has become a huge industry in the few decades since its inception. Used by oil and gas companies, commercial real estate, city sewage systems, and private residents, the needs for powder coating in Houston are vast. Powder coating was invented as a solution to the many problems the liquid finishing industry encountered. From the wet coatings not lasting long enough, harmful release of volatile organic compounds from the liquid solvents, and the high costs of safety and pollution control, liquid coatings have become more problematic in today’s society.

European companies in the 1940s were under pressure to find more environmentally friendly alternatives to liquid finishes, as utilizing flame spraying to melt the coatings onto the metal was immensely dangerous. It was in the 1940s that Dr. Erwin Gemmer came up with a method to fluidize the bed application for thermostatic resins on metal as an alternative to the flame spraying method. This “new” method of powder coating could be applied to new or used parts that were properly cleaned, coated, and then put in a powder coating oven for 2-4 hours. The next 4 decades saw many improvements to Dr. Gemmer’s method and by the 1980’s powder coating in Houston exploded as it was environmentally friendly, produced little waste, and was cost efficient. These days, powder coated items can be cured in as little as 10 minutes (depending on the thickness of the metal), making powder coating pipes, furniture, and other items more efficient than ever.

As stated in many articles before, Houston Powder Coaters abrasively blasts a significant amount of its projects due to its deepest anchor-profiling results. This type of “surface preparation” in addition to the fusion- bonded (heat) interlacing properties of the powder produces the highest-level adhesion. This means that the powder coating in Houston has achieved the highest level of durability with the smallest environmental footprint.

Patio Furniture Repair – Houston Powder Coaters

houston-powder-coating-2016

In South Texas, patio furniture is subjected to relentless heat, humidity, and adverse weather. Even furniture built to last can rust and break., and fabric can dry rot. Nothing is more disappointing than planning to spend a day in the beautiful outdoors only to find that the furniture outside is unusable. Professional patio furniture repair can increase the longevity of outdoor seating, tables, and more.

Wrought iron and cast-iron patio furniture are popular options in the south because they are heavy and fade resistant. However, they are susceptible to humidity and can rust. Rust can lead to weak structure which can lead to breakage. Patio furniture repair is an investment in outdoor living, so a company like Houston Powder Coaters that not only repairs your furniture but can protect it from further damage for a long time is essential. Having an experienced welding staff to repair damage, or even replace missing or broken parts will ensure that your furniture is not just repaired but returned to you better than new. HPC is highly experienced in patio furniture repair and will even replace or repair feet caps (and cap with a plastic inserts) so that your furniture is on even footing.

Another popular option in the south is sling patio furniture because it offers the comfort of cushioned seating but is much more breathable.  However, fabric in the south (even fabric meant for the outdoors) will eventually give way to dry rot. Sitting in a dry rotted sling chair is a recipe for a hurt back. Patio furniture repair should be a one stop shop. Have your sling patio furniture powder coated and get the fabric replaced by Houston Powder Coaters in Houston, Texas. Hundreds of sling designs and many-colored coatings make for near infinite options for any design.

Internal Pipe Coating – FBE Applications

houston-powder-coating-2017

FBE internal pipe coating is the preferred coating for many oil & gas companies as well as utility firms for sewage and water transport.  Its superior resistance to corrosion prevents the assault of chemicals onto the conduit thereby reducing the impact of rust from the inside out.  Because FBE coated pipes are abrasion, chemical, and thermal resistant, its suitability for a myriad of applications translates to a popularity that far exceeds other coatings.

The application of fusion bonded epoxy for internal pipe coatings provides long lasting resistance to corrosive materials and distillates.  Furthermore, internally coated pipes provide better flow efficiency due to the reduction in friction between the pipe’s surface and the gas, oil, or water that makes its way through the pipeline.  Moreover, several fusion bonded epoxies offer paraffin wax mitigation to slow down the build-up of the precipitate deposits that hamper these flow rates.

To prep pipes for the internal coating of fusion bonded epoxy, an aggressive media blasting is required so that proper anchor profiles are met to achieve maximum adherence.  A thin layer of phenolic primer is applied and dried before the conduit is placed in the oven to preheat.  Afterwards, the pipe is internally sprayed with the designated FBE to the required millage thickness before going back into the oven to fully cure.

Continue reading

Outdoor Patio Furniture Refinishing In Houston

Outdoor Patio Furniture Refinishing In Houston Outdoor Patio Furniture Refinishing In Houston

The outdoors can be rough on patio furniture in Houston. The heat, the humidity, the rapidly changing weather, all take part in making your patio furniture dull, rusty, and old looking. However, it doesn’t have to be that way. Outdoor patio furniture refinishing in Houston provides a long-lasting barrier between your furniture and the elements. Resistant to fading from the sun, rust from the humidity, and more, powder coating outdoor furniture is simply the best option to prolong the life of your possessions. 

Outdoor patio furniture refinishing in Houston is a multi-step process that starts with surface preparation. The shop will take your old furniture and through burn-off, abrasive blasting (fine particles like sand or ground up walnut shells are blasted at the furniture to remove the previous coatings or rust), or hand-etching prepare the surface for the new finish. This removes any old coatings on the furniture, debris, rust, and dirt and also creates a surface for the powder coating to adhere to. After preparing the surface, the furniture is hung up and cleaned off with compressed air to create a dust-free surface.

When the furniture is fully prepared for refinishing, it is coated in the coating booth and then baked in the oven, going back and forth between the two several times. This creates a unique barrier that will resist Houston’s hot and humid weather and ensure the longevity of your outdoor patio furniture. Another benefit of outdoor patio furniture refinishing in Houston is choosing the color. Powder coating offers many colors both classic and bright. If you want simple and neutral go classic, if you want eclectic and unique go bright!

Unveiling the Future of Powder Coating: Houston Powder Coaters Launches New Website

Houston Powder Coaters New Website &  Resource Houston Powder Coaters

We are thrilled to announce the exciting launch of our brand-new website at Houston Powder Coaters! Designed with a commitment to education and innovation, our website aims to be a comprehensive resource for anyone eager to delve into the world of powder coating.

At Houston Powder Coaters, we believe that knowledge empowers and innovation propels industries forward. That's why we've crafted a website that goes beyond being a mere digital presence—it's a hub of information, a learning center, and a celebration of the transformative power of powder coating.

Why Powder Coating? Powder coating has emerged as a leading finishing technique for various industries, offering durability, versatility, and environmental benefits. Our new website serves as a gateway for individuals and businesses to explore the myriad advantages of powder coating. Whether you're a seasoned professional or a curious enthusiast, you'll find valuable insights into the benefits, techniques, and technology behind this revolutionary process.

Continue reading

Powder Coating Anodized Aluminum – Houston Powder Coaters

houston-powder-coating-2019

Anodized aluminum is aluminum that has gone through an electro-chemical process that produces a thicker and more corrosion-resistant barrier. Pieces of aluminum are submerged in an acid solution while an electrical current passes through the bath. This causes an aluminum oxide film to develop on the surface of the aluminum substrate. This film is extremely durable and seen as an extra level of protection for aluminum much like the galvanization (zinc) safeguards steel.

Powder Coating Anodized Aluminum is a simple process, as limited surface preparation is required for the aluminum to properly receive the powder. The reason is that anodized surfaces are porous and therefore require only a smaller amount of prep. An acetone wipe-down and light sanding will be more than sufficient in creating the proper anchor profiles. Due to the corrosion-resistant aluminum oxide as well as the super-durable polyester powder coat, these aluminum pieces will retain gloss levels longer, stand up to abrasion and scuffs, and withstand corrosion much better than bare aluminum. Powder Coating Anodized Aluminum is an optimal double coating system that will elongate the lifespan of these time materials.

Anodized Architectural Powder Coating is a method of powder coating aluminum that does not require electro-chemical anodizing of the extruded substrate. The American Architectural Manufacturers Association (or AAMA for short) 2603 is an interior application that does not need to meet color retention guidelines of AAMA 2604/2605. It is cost effective, but if used outside does not have good color retention and is likely to chalk. AAMA 2604 is an intermediary coating that contains 50% fluoropolymer resin. This anodized powder coating is great for storefronts, doors and windows, and other high traffic areas. These coatings do not require a clear coat and can be applied in a single pass.  In addition to color and gloss retention, AAMA 2604 coatings are hard and abrasion resistant.

Continue reading

Polyester Powder Coatings – TGIC, TGIC-Free, HAA, & Primid Explained

houston-powder-coating-2020

Polyester powder coating technology has been around since the 1970s and accounts for 30-45 percent of powder coating product sales globally. There are two main categories of polyester powder coatings used in the industry today: TGIC (an acronym for the chemical compound curing agent it uses, triglycidyl isocyanurate), and HAA. HAA polyester powder coating uses β-hydroxyalkyl amides as its curing agent and is often called TGIC-free or Primid polyester powder coating after the brand of curative used in most HAA powder coatings. While both categories of polyester powder coatings perform relatively similarly, there are some pros and cons that can tilt a company toward one or the other. 

TGIC coatings typically offer better chemical resistance and corrosion resistance than their TGIC-free counterpart. The HAA curing mechanism can release water, which makes the coating slightly more water soluble than TGIC-polyester. Because of its slight water-solubility, HAA coatings are more susceptible to acidic and alkaline chemicals. All of this makes HAA-polyester less corrosion resistant than TGIC-polyester.  However, with different formulations, a Primid polyester coating can perform on par with TGIC. When it comes to impact and abrasion resistance, flexibility, and hardness, TGIC and TGIC-free polyester powder coatings are the same. 

For application and curing, TGIC-polyester cures at a lower temperature than HAA-polyester (roughly 290 degrees Fahrenheit and 330 degrees Fahrenheit respectively). Many companies find HAA-polyester applies more easily and sticks to nooks and crannies better than TGIC-polyester. Thickness of application varies greatly between the two, with TGIC-polyester coating able to reach about 10 mils (250 microns) thickness and HAA-polyester coating reaching 3.5 – 4.0 mils (90-100 microns) thickness. When it comes to color stability, TGIC-polyester comes out ahead. HAA-polyester can yellow in color in overbake conditions, while TGIC-polyester has very little color drift over a wide range of cure times and temperatures. 

Zinc-Rich Primers – Corrosion Protection

houston-powder-coating-2021

With the increase of environmental regulations making solvent-based corrosion protection expensive and complicated to apply and dispose of, protective powder coatings such as zinc-rich primers offer premium corrosion protection without harming the environment. Zinc-rich primers are considered sacrificial coatings, a subset of protective powder coatings meant to dramatically slow down the process of corrosion if the top layer is damaged. This makes them the perfect coating for steel in highly corrosive environments. Zinc-rich primers are great for use in marine, tanker, or underground environments, all of which are considered immersive environments.

There are two types of zinc-rich primers: inorganic and organic. Organic zinc-rich primers are primers that use binders such as epoxy, polyurethane, or alkyd, etc. More commonly used for highly corrosive environments on oil rig platforms, chemical plants, and more, organic zinc-rich primers require a top-coat to be long-lasting.   

Inorganic zinc-rich primers do not require top-coats in more mild atmospheric environments and provide better galvanic protection overall.  Inorganic zinc-rich primers usually use only silicate as a binder and is applied as a powder using the blast method on “white” metal, metals that are light-colored alloys. This is the type of zinc-rich primer Houston Powder Coaters uses.

Continue reading

Houston Powder Coaters

minority owned business

TexasSBA woman owned business HomeShow Badge 2024

Who We Are