Aluminum Casement Window Material: 6063 T5 Aluminum Alloy,Website:http://www.hsdcurtainwall.com, the most popular materials for windows.Profile Type: Thermal break profile and normal ... : 1.4mm is standard option. Aluminum Surface Treatment: Powder coated, anodizing, Electrophoresis, PVDF and wood color transfer. Casement Window Series: 38 series, 50 series ...