What Is a 3-in-1 Chemical in Powder Coating?
- A 3-in-1 chemical in powder coating refers to a multi-functional pretreatment chemical used to prepare metal surfaces before applying powder coating. It combines cleaning, degreasing, and phosphating or passivation in a single step — hence the name '3-in-1'.
* Purpose of 3-in-1 Chemical:
Remove oil, grease, and dirt (cleaning/degreasing),
Eliminate rust or scale (conditioning),
Apply a conversion coating (usually a phosphate or zirconium layer) that enhances paint adhesion and corrosion resistance. # 3-in-1 Chemical Manufacturer.
