... and window series,industrial profile,and the surface treament including anddizing,electrophoretic coating,electrostatic color powder coating,fluorocarbon ... is easy to be opened and closed.5 series glass,they are:Single-layer glass;Tempered ... T6Thickness:1~2mmSurface treament:anodizing,electrophoretic coating,electrostatic color powder coating,fluorocarbon spray-painting and wood grain coatingCHEMICAL ...