... 35<0.25<0.15<0.15Rest 2.Mechanical Properties of Sections under Room TemperatureAluminum GradeTemperWall ThicknessResist Pull ... Hardness 6063T5All16011088 T6All2051808 6061T4All18011016 T6All2652458 3.SurfaceTreatment of Sections(Class)(μm),not diminish thanacid-resistant abrasion ... Liquid supplier AKZO NOBELLiquid Coated: A broad range of paints (e.g.,PVDF/fluoropolymers, polyesters, acrylics, ...