1) 95% 6063 aluminum alloy 2)top grade quality 3)inviting appearance 4)competitive markets 5)workable price casement window and door Material Aluminum alloy 6063-T5 with thermal breakGlass typesingle glass, double glass. low-eglass,tempered glass,laminated glass Thickness of aluminum profile 0.8mm 1.0mm, 1.2mm, 1.4mmSurface Treatment powder coating, anodizing and electrophoresis ectColor white, ...