Not all PTFE yarns perform the same as the temperature rises. Shrinkage, elongation and tenacity change as the operating temperature increases. These factors are critical for performance of filter bags and cartridges. The high tenacity available in GORE RASTEX Fibers Weaving Yarn means scrims will be stronger at operating temperatures compared to other PTFE yarns. At elevated temperatures, Gore's higher tenacity yarns also maintain more of their strength to resist the mechanical damage from high elongation forces more than other PTFE yarns. GORE RASTEX Fibers Weaving Yarns shrink less at high temperatures, so filter media are more dimensionally stable, providing higher processing yields and more consistent felts and fabrics.

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