The filter is a filtration material used in the composite needle of P84, PTFE or PPS with advantages of a high temperature resistance, high strength, corrosion resistance, abrasion resistance, folding. it is widely used in steel cement, electricity, non-ferrous metals, waste incineration, asphalt concrete mixing. chemical industry as chemical fiber and glass fiber composite with high temperature fiber which heats resistance up to 180 – 260 °C.