Aluminum Sliding Window Material: 6063 T5 Aluminum Alloy,Website:http://www.hsdcurtainwall.com, the most popular materials ... also available.)Aluminum Surface Treatment: Powder coated, anodizing, Electrophoresis, PVDF and wood color transfer.Sliding Window Series: 70 series, 80 series, 88 series, 90 series, 100 series.Glass Thickness ...