Epoxy Primer

Delta Polymers has spent many years manufacturing a wide range of epoxy resin and liquid epoxy resin products, including epoxy primers, for construction, industrial maintenance, and marine customers around the world. We are the most trusted New York epoxy supplier in the industry and are at the cutting edge of the epoxy products. We have formulated a variety of state-of-the-art epoxy products, like these epoxy primers that offer easy application, easy maintenance and wear resistance among the highest in the industry.

Our custom-formulated epoxy resins are developed with pride at the Delta Polymers headquarters in Bay Shore, New York. Our dedication to our customers' needs has kept us at the forefront of epoxy development and serves as the basis for our success. Our epoxy resin systems produce a wide range of epoxy products. Our top-quality product line-up includes epoxy resin glue, rebar coating, and pool epoxy.

What Is Epoxy Primer?

Epoxy primer is a type of sealer that is used in various applications, particularly in the automotive and industrial fields. Epoxy primer is a non-porous base coat that is primarily recommended for use over bare steel. However, it can also be applied over other materials such as fiberglass, plastic, or the black iron phosphate coating. It offers strong adhesion, good mechanical properties, and has durable chemical resistance. These features make it suitable for use in wet and high-humidity environments.

In general, the primary purpose of epoxy primer is to protect the underlying metal from corrosion. Its effectiveness in resisting corrosion is related to its thickness. For the most part, the thicker the epoxy primer layer, the better the protection. Additionally, epoxy primers serve as a proper base for subsequent undercoat products and topcoats (paint).

Composition and Characteristics of Epoxy Primer

Epoxy primer consists of two main components:

1. a resin
2. a hardener

The resin provides adhesion, which allows the primer to bond effectively to the substrate. The hardener initiates a chemical reaction that causes the epoxy to cure, forming a tough protective layer. A two-part epoxy primer often contains zinc phosphate, which acts as a corrosion-inhibiting pigment.

Application and Precautions

Before applying epoxy primer to a surface, make sure the surface is dry and clean. Proper mixing of the two components is important for effective application. Epoxy primers are commonly used in automobile and marine industries in order to improve adhesion and resist corrosion. They can also be used in structural steel coatings for achieving high-build thickness. All with minimal coats. Remember, epoxy primer plays a vital role in protecting surfaces and ensuring the longevity of coatings. Saving you money in the long run as well as the primer does its job protecting the surface.

Differences Between Epoxy Primer and Regular Paint

Applications and Purposes

• Epoxy primer is primarily used as a protective base coat for various surfaces, especially metal. It provides corrosion resistance and enhances the adhesion of subsequent layers, such as topcoats or paints. And is commonly used in automotive, marine, and industrial applications.
• This differs from regular paint, which serves both aesthetic and protective purposes. It adds color, hides imperfections, and protects surfaces from environmental factors, such as UV rays, moisture, and abrasion. And regular paint is used for decorative purposes on walls, furniture, and other surfaces.

Composition

• Epoxy primer contains a two-part system, which is resin and hardener. And it often includes zinc phosphate as a corrosion-inhibiting pigment.
• Regular paint is comprised of pigments, binders, solvents, and additives. And it is available in various types for different applications.

Adhesion and Durability

• Epoxy primer offers excellent adhesion to bare metal surfaces and forms a tough and durable protective layer.
• Regular paint adhesion varies based on the type of paint used for the project. Its durability depends on the quality and intended use, such as using inside or outside.

Chemical Resistance

• Epoxy primer is resistant to chemicals, moisture, and solvents and is suitable for harsh environments.
• Regular paint varies based on the type of paint where some paints are more resistant than others.

Application Process

• Epoxy primer requires proper surface preparation, which means it needs to be clean, dry, and free of contaminants before applying directly to the substrate.
• Regular paint is simply applied after priming and only if necessary. Multiple coats may be necessary for desired coverage. It all depends on the project at hand.

Curing Time

• Epoxy primer has a longer curing time due to the chemical reaction between resin and hardener.
• Regular paint has a faster drying and curing time overall.

In the end, epoxy primer focuses on protection and adhesion, whereas regular paint combines aesthetics and protection. Different types of projects require different types of materials. Choose what will work best before proceeding.

Contact Delta Polymers Today

We are a trusted manufacturer and distributor of epoxies for commercial use, which includes epoxy primer. For more information about the types of epoxies we manufacture and sell, please reach out to us today.

Contact Delta Polymers

When you reach out, we can go over the various epoxies we manufacture and discuss our custom manufacturing methods.