what causes outgassing?
Surface Contaminants â Substrates having any contaminants on its surface like oil, mold release or grease can cause outgassing when it is applied with powder coating. These contaminants can vaporize in the powder coating while curing thus leading to outgassing. It usually occurs due to improper cleaning of the substrate and the defect caused is the same. Galvanized Substrates â Powder coating when applied to a