Manufacturing and Characteristics of Glass Reinforced PTFE

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Abstract
A study on reinforced Polytetrafluoroethylene (PTFE) with chopped glass fiber or glass cloth was described. This study included manufacturing process of fibrous PTFE, the effects of the content of chopped glass fiber or glass cloth on the tensile strength and dielectric properties of the reinforced PTFE and the effect of filling particles on tensile strength and morphology of PTFE composites, etc. Our results showed that about 11% chopped fiber or 37% glass cloth reinforcing PTFE had the highest tensile strength and acceptable dielectric properties. Crystallizing phenomenon of PTFE was readily observed with the adding of particles. Finally, predicting of dielectric properties was discussed.