PaintFlex® Type: PP    « USAGE » Apply on the following Substance Products' Surface     PP.A.   Substance: Expanded Polypropylene Products     PP.B.   Substance: General Polypropylene Products     PP.C.   Substance: Stainless (Possible using on the Solid Rust / Weld part) Surface     PP.D.   Substance: Aluminum (Possible using on the Oxidation) surface