Aokai PTFE is the preferred manufacturer of high quality non-metallic expansion joint fabrics materials with its broad product range and capabilities. Our product line includes PTFE cast film laminated fabrics, 100% PTFE films with multi-reinforcements, PTFE fabrics laminated with woven and non-woven insulation materials, and PTFE coated fabrics.Our expansion joint fabrics have extraordinary gas barrier property and are able to survive in corrosive environments and severe temperatures.