Aluminum Paste Leafing

Aluminum powder ground in oil. Aluminum Pastes can be divided into two major types, leafing and non leafing. They are almost the same in processing technique, but leafing pastes use stearic acid or saturated fatty acid as griding aids while non-leafing pastes use oleic acid or unsaturated fatty acid.In leafing pastes, an opaque silver film is formed near the paint film because of the orientation arrangement of aluminum particles.