... Sliding Window Material: 6063 T5 Aluminum Alloy,Website:http://www.hsdcurtainwall.com, the most popular materials for windows.Profile Type: Thermal break, normal profile ... Treatment: Powder coated, anodizing, Electrophoresis, PVDF and wood color transfer.Sliding Window Series: 70 series, 80 series, 88 series, 90 series, 100 ...