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[Chemical Knowledge]：The difference between epoxy resin and epoxy powder-choose better coating materials

Read： 974 Time：15months ago Source：Transform the World with Simplicity

In the decoration industry, paint is an essential material. Epoxy resin and epoxy powder are common coating materials, what is the difference between them.

1. composition difference

epoxy resin is a polymer compound, usually composed of epoxy monomer and curing agent. The epoxy powder is made of epoxy resin, curing agent and other additives by mixing, curing and powder processing.

2. morphological differences

epoxy resin is usually liquid or semi-solid, can be directly painted on the surface of the object. The epoxy powder is solid and needs to be sprayed by electrostatic powder spraying equipment.

3. curing different

epoxy resin in the air after chemical reaction can be quickly cured to form a hard coating. The epoxy powder needs to be baked at high temperature to complete the curing through the melting and curing process.

4. coating performance differences

due to different curing methods, epoxy resin has advantages in coating performance. It can provide better surface hardness and wear resistance, and has strong resistance to chemical corrosion. The epoxy powder cured coating has good adhesion and weather resistance.

5. construction difficulty different

relatively speaking, the construction of epoxy resin is more simple, the scope of application is wider. The spraying of epoxy powder requires professional equipment and technology, and the construction is difficult.

6. Applicable fields Different

Due to the differences in coating performance, epoxy resin and epoxy powder have different applications in different fields. Epoxy resin is mainly used in construction, home improvement and other fields, such as floor paint, furniture coatings, etc. Epoxy powder is more common in the spraying of metal surfaces, such as auto parts and household appliances.

in the choice of coating materials, according to different needs and use of the scene to make a reasonable choice. If you pay attention to the hardness and wear resistance of the coating, as well as chemical corrosion resistance, then epoxy resin is a good choice. If you need to have good adhesion and weather resistance, suitable for metal surface spraying, then epoxy powder is a more suitable choice.

In short, epoxy resin and epoxy powder as common coating materials, each has its own characteristics and advantages. In the specific application, according to the actual needs to choose, in order to achieve better results.