Description: Full Density Unsintered Tape is used as primary insulation for high-temperature wires, jackets and cables and wall for convoluted hose. It meets the requirements of component insulation to MIL-W-16878/4A, MIL-W-22759B and NAS703 and are available in white, natural, and many colors to round out your selection. Premium grades include R128-white and natural, R129-colors. Standard grades are R131 and R132. PTFE = polytetrafluoroethyleneInformation provided by Saint Gobain Performance Products.