Carbon Fiber Packing 1.size 4x4~100x100mm ... tape by weaving (impregnating) and setting. It has good chemical stability and self-lubricity, keeps strength unchanged ... under high temperature and humidity, and is easy to fill and remove. It makes good packing ... and valves.Specifications: 1) Various specifications: 3 x 3 - 40 x 40mm2) Types: pure PTFE, PTFE, carbon fiber, graphite and ...