Acuflex 600 series materials are polyester resin coated, straight woven polyester/glass fabrics with 155 °C thermal capability, excellent flexibility, good tear strength and high tensile strength. The polyester warp threads allow for some stretch and improved conformability over glass only constructions. Additional treatments are available including oil and silicone slip coats, pressure sensitive adhesives and liners - Flexible, tough construction for ease of insertion. Good punch-through and abrasion resistance. High degree of conformability. High dielectric strength. Class 155 °C thermal properties. Excellent upgrade from cotton based materials.