... Rolled steel is currently manufacturing more than paint to the paint-based saturated polyester resin.Saturated polyester resin apply ... to humidity, salt fog performance. And the film can withstand a direct cutting, bending, deep drawing, meshing, etc. machining.II, ... ± 5 , hydroxy-value content (%) 20-258.the tolerance heat temperature:2609.the mechanisem content0%Paint finish, paint, back painted, but ...