Type of powder coating

Type of powder coating

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Powder coating are widely used, and there are many types of powder coating. Let's briefly introduce the type of powder coating.

Pure polyester type of powder coating

Polyester powder coating is better than epoxy resin in weather resistance and UV resistance, but not as good as epoxy resin in alkali resistance. Generally used in outdoor instrument housing, bicycles, furniture and other fields. It is suitable for the use of conventional outdoor products. If used in harsh environments, other systems should be considered.

Pure epoxy type of powder coating

It has excellent adhesion to metal, corrosion resistance, hardness, flexibility and impact strength; poor weather resistance, not suitable for outdoor use, it is easy to pulverize when exposed to outdoors for about half a year; generally used for pipeline anticorrosion or laboratory equipment And other products with relatively strong corrosion resistance and solvent resistance and electrical insulation.

Polyurethane type of powder coating

Weather resistance, chemical resistance, hardness and flow are better than polyester.

Epoxy polyester type of powder coaitng

The mixed type system powder has slightly worse corrosion resistance than epoxy powder, but weather resistance is better than epoxy type; much worse than polyester type weather resistance, corrosion resistance and solvent resistance are better than polyester type; suitable for indoor use, such as refrigerators , Washing machines, electric fans, chassis cabinets, radiators, etc.

Acrylic type of powder coating

It has excellent weather resistance, color retention, pollution resistance, thin coating film, and excellent film appearance. It is suitable for decorative powder coatings. It has better weather resistance than polyester and polyurethane, good pollution resistance, water resistance and chemical resistance. It is also suitable for thin coating. The acrylic system is not suitable for low temperature curing and is easy to interfere.

Fluorocarbon type of powder coating

Weather resistance for 20-30 years; excellent resistance to acid rain, ozone, ultraviolet rays, etc., is the best chemical product in powder coatings; aging test can pass 5000h; widely used in demanding fields and harsh environments, such as ultra Weather-resistant aluminum, aluminum curtain wall panels, chemical heavy anti-corrosion and other fields.