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Industrial Paint: The Ultimate Buyer’s Guide

November 26, 2020 by Tommy Leave a Comment

industrial coating on metal beam

Industrial assets degrade over time, and corrosion is the primary culprit. In fact, the cost of corrosion is estimated to be around $2.5 trillion globally, roughly 3.4% of global GDP. 

Corrosion, UV damage, chemical burns, and natural wear and tear have created a $81.5 billion dollar industrial coating industry that’s expected to grow 3% in seven years. The largest industries that require protective coatings include:

  • Automotive 
  • Electronics
  • Oil & Gas
  • Marine
  • Power Generations
  • Mining
  • Aerospace 
  • “General Industry” 

If you own or manage industrial assets, it’s important to find the right paint for your project — getting the wrong coating could lead to a million dollar mistake. 

In this guide, we’ll start by defining the popular characteristics to look for in industrial paints. Next, we’ll take you through the most common types of coatings by chemical makeup. Finally, we’ll recommend the top industrial paint manufacturers in the U.S.

If you simply want recommendations for the best paint manufacturers to work with — the folks with the highest quality service at the best price — reach out today. We’ll connect you with top-rated industrial paint manufacturers.

We’ve cover the following topics in this article:

  • Properties of Industrial Paint
  • Types of Industrial Paint
  • Top Industrial Paint Manufacturers 

Properties of Industrial Paint

Before you buy an industrial paint system, it’s important to consider what you need to paint to actually do. 

Is this coating for a highly trafficked area? How hot does the surface get? Is it submerged in water or chemicals? Does the overall appearance matter to you? 

We could spend all day writing out questions to ask — but it’s better to go to a professional coatings expert who will ask you these questions to determine the right industrial coatings for your project. 

Instead, let’s review the most common industrial paint properties asset managers want.

Corrosion resistant paint 

Corrosion resistance is the most common property asset managers look for in their industrial paint. Corrosion or oxidation is a natural process that occurs in steel and concrete assets over time – it’s a question of when, not whether an asset will corrode over time. 

Corrosion resistant paints prevent corrosion through a variety of mechanisms.

Anti-static paint

Static can build up in certain industrial environments, and if you don’t have a coating with anti-static properties, heat and static can result in an explosion or fire. 

Anti-static paint minimizes static electricity from sensitive substrates and surfaces through high voltage tolerance and low dissipation. 

Chemically resistant paint

Acids, alkalis, oils, and other chemicals can build up in chemically charged environments. 

Chemically resistant coatings are perfect for oil refineries, railroad tankers, storage tanks, and other facilities that store volatile materials. 

Flame retardant and heat resistant paint

Flame retardant coatings are designed to reduce the spread of fires when exposed to high temperatures. These coatings need to meet ISO and UL standards. The most common type of flame retardant coatings include intumescent paint and cementitious paint. 

Meanwhile, heat resistant coatings are designed to resist damage from sustained high temperatures. 

The key difference between these two types of coatings is that flame retardant coatings prevent the spread of fire after a fire has occurred, while heat resistant coatings protect the structure itself. Both types of coatings might be used on a single asset (e.g. flame resistant finish and heat resistant primer). 

Abrasion resistant paint

Abrasion resistant paints are specifically used to protect substrates and surfaces from normal wear and tear. Areas that are highly trafficked in a facility or components of a product that brush together often use abrasion resistant coatings. 

Waterproof paint

Waterproof paint causes water to bead-up on its surface. These types of coatings prevent water from leaking through to the substrate of an asset. 

UV resistant paint

You might not realize it, but UV radiation can damage steel and concrete assets, causing corrosion and damage. 

UV resistant paint is essential for assets that are exposed to direct sunlight. 

A note about the properties of industrial paints above

None of these properties are mutually exclusive. For example, you can find a coating that’s both corrosion resistant and waterproof. You can find coatings that are UV resistance and chemical resistance. 

The important thing is that you recognize what properties you need in your coating and work with an industrial coating manufacturer that can satisfy your technical requirements.

Types of Industrial Paint

Industrial paints can have a variety of properties to meet your needs. Once you’ve identified what you need your coatings to do, it’s time to investigate the different types of industrial coatings available on the market today. 

Aluminum paint

Aluminum coatings offer excellent corrosion resistance. By forming a coating around the substrate (usually steel), aluminum coatings prevent oxidation by oxidizing in place of the substrate or surface of your asset.  

Benefits of aluminium coatings 

  • More resistant to corrosion in the atmosphere than zinc coatings
  • Priced competitively compared to similar products
  • One of the strongest, most ductile materials available 
  • Oxidation and sulfidation resistance 

Disadvantages of aluminium coatings  

  • Soft metal with weak abrasion resistance 
  • Not suitable for seawater environments 

Applications for aluminium coatings

  • Areas that need to withstand heat 
  • Areas that need to withstand humidity
  • Areas that need to withstand chemicals

Alkyd paint

Alkyd paint is a complex oil-modified polyester that’s used for film in some paints and clear coatings. Alkyd paints were popular in the early 20th century, but new alternatives have emerged for industrial applications. 

This type of paint is mostly used in low-performance industrial applications and interior paints for residential use. 

Benefits of alkyd paint

  • Water resistant 
  • Flame resistant 
  • Corrosion resistant 
  • Cost effective

Disadvantages of alkyd paint

  • Relatively outdated polymer technology
  • High levels of VOC
  • Hazardous waste disposal needed 

Applications for alkyd paint

  • Typically not suitable for industrial environments

Ceramic paint

Ceramic paints consist of non-metal materials with high melting points. They are typically used in the automotive industry to detail vehicles. They’re particularly relevant in luxury and high-end car brands, because they offer a hydrophobic coat that prevents dirt, grim, and rust. 

For OEM manufacturers, ceramic coatings are particularly relevant. 

Ceramic paint advantages

  • UV protection
  • Chemical resistance 
  • Hydrophobic and water resistant 
  • Heat resistant 
  • Glossy finish

Ceramic paint disadvantages

  • Expensive 

Applications

  • Automotive (particularly high end and luxury vehicles) 
  • OEM 
  • Aerospace 
  • Defense 
  • Oil & Gas

Epoxy coatings

Unlike other coating systems, epoxy coatings contain two components: a resin and a hardener. When these two components are mixed together, a chemical reaction occurs and a strong bond is formed, resulting in a strong, chemically resistant paint.

Epoxies are commonly used for floor coatings because of their excellent abrasion and chemical resistance. 

Epoxy coating advantages

  • High tensile strength 
  • Excellent adhesion 
  • Chemical resistance
  • Heat resistance 
  • Anti-static 

Epoxy coating disadvantages

  • Industrial-grade epoxies can be expensive
  • Typically longer curing times
  • Strict use conditions for maximum performance 
  • Cracking may occur 

Epoxy applications

  • Flooring and high traffic areas
  • Marine 
  • Aerospace 
  • Petrochemical
  • Oil & Gas

Fluoropolymer coating

Fluoropolymer coatings have non-stick properties that make them attractive in a variety of industries. However, they’re particularly well suited in OEM applications(e.g. non-stick pans). 

One of the most popular brands of fluoropolymer coatings is Teflon, which specifically contains PTFE, one of the first known fluoropolymers. 

Fluoropolymer coating advantages

  • Friction resistance (non-stick)
  • Chemical resistance 
  • Water resistance 

Fluoropolymer coating disadvantages 

  • Price
  • Unweldable 
  • Not easy to use in mass production 

Fluoropolymer coating applications

  • OEM
  • Electrical wiring and components
  • Cookware 

Polyaspartic coatings 

Polyaspartic coatings are the new kid on the block. Introduced in the early 90s by Bayer, polyaspartic coatings were originally used to protect steel bridges and similar assets in harsh environments. Today, they’re often used in garage and concrete flooring applications. 

They exhibit several key advantages

Polyaspartic coating advantages

  • Rapid cure times 
  • Versatile material with decorative elements
  • Durable, abrasion resistant 

Polyaspartic coating disadvantages

  • Not breathable 
  • Absorb moisture
  • Short pot life
  • Expensive
  • Relatively weak acidic and chemical resistance 
  • Slippery when wet (if not modified)

Polyaspartic coating applications

  • Industrial flooring (garages, concrete, etc.)
  • Bridges 
  • Rail cars

Polyurea coating

Polyurea coating is a two component material derived from a chemical reaction between isocyanate and a synthetic resin. These coatings offer high elasticity, flexibility, and durability, making them a great option when waterproofing is required. It can be used for a variety of wooden, concrete, and steel assets.

Polyurea coating advantages

  • Fast cure times
  • Chemical resistance 
  • Abrasion resistance
  • Waterproof sealing 
  • Stable in harsh weather and environmental conditions

Polyurea coating disadvantages

  • Strict surface preparation requirements
  • Strict formulation requirements
  • Strict primer requirements 
  • Aromatic polyurea coatings may react to UV / sun exposure

Polyurea coating applications

  • Automotive 
  • Marine 
  • Water tanks
  • Pipelines

Polyurethane coatings

Polyurethane coatings are similar to polyurea coatings, but they’re derived from carbamates. They are characteristically customizable, durable, and elastic. A key difference between epoxy and polyurethane is that polyurethane coatings are relatively soft (although they can be formulated in various ways to change their properties). 

Polyurethane coating advantages

  • Elastic and flexible
  • Resistant to freezing
  • Water resistant
  • Resistant to oil and grease
  • Bonds easily 

Polyurethane coating disadvantages

  • Less durable than epoxy coatings
  • Poor storage stability
  • Less alkali resistant than other options like epoxy
  • Expensive
  • Odor

Polyurethane coating applications

  • Aerospace
  • Pipelines
  • Roofing
  • OEM

Zinc coatings

Zinc coatings are most often used as primers in galvanic protection systems. Zinc coatings act as a “sacrificial” primer, because the zinc is consumed during oxidation. Essentially, zinc coatings are absorbed during corrosive activity, rather than your asset. 

Zinc coating advantages

  • Easily bond to different surfaces
  • Strong corrosion resistance 
  • Long lifespan 
  • Low cost

Zinc coating disadvantages

  • Doesn’t hold up in high temperature environments
  • Usually needs to be paired with an industrial top coat
  • Difficult to apply top coats due to moisture and curing requirements

Zinc coating applications

  • Marine, seawater 
  • Tank lining
  • Petrochemical
  • Power & energy
  • Railcar 

Industrial finishes vs. industrial primers 

There are many different types of industrial coatings, but they’re not mutually exclusive. You can mix and match these different coatings to fit your needs and applications. In fact, in most applications you need both an industrial primer and an industrial finish.

Industrial primers are applied directly to a bare substrate, while the industrial topcoat is applied over the primer.

Let’s look at an example: 

Zinc-rich primers are commonly paired with a durable epoxy finish — where the zinc primer provides more corrosion resistance, and then epoxy finish provides additional abrasion and chemical resistance. Combining the strengths of your industrial primer and finish lead to a complete industrial coating system that will last for years. 

Industrial paint manufacturers

While there are hundreds of industrial paint manufacturers and distributors throughout the United States, we’re going to look at two of the largest: PPG and Sherwin Williams. Both companies are multi-billion dollar options, so you’re likely to come across their products. 

PPG has its own website dedicated to its commercial product line called PPG Industrial Coatings. Sherwin Williams has a similar website called Sherwin Williams Industrial Coatings. We’ll look at the most common product offerings within both these sites to give you a survey of the different coating systems available on the market.

PPG’s industrial coating offerings

PPG offers a variety of electrocoat, liquid coat, UV resistant, and powder coating formulations. You can choose coatings based on your assets’ substrate: aluminum, magnesium, steel, plastics, or wood.

PPG offers specialized coatings for the following industries:

  • Automotive
  • Building materials
  • Consumer products

PPG ships across the world, but you can also see the coatings available in your particular region using their pre-built features. 

Sherwin Williams’ industrial coating offerings 

Sherwin Williams offers products based on the industry you’re in, rather than specifying the type of formulation or product used. 

You can choose coatings from the following industries: 

  • Aerospace 
  • Automotive 
  • Coil and extrusion
  • General industry  
  • Industrial wood
  • Packaging 
  • Marine
  • Architecture and specifiers 

Once you’ve chosen a particular industry, you can narrow your search by chemistry (e.g. epoxy, polyurethane, alkyd), certifications and approvals (e.g. BMS 10-83N), whether the coating is for interior or exterior use, and product type (e.g. clear coat, additive, cleaner).

Filed Under: Industrial Paint

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