Needle-felting processes can abrade and weaken supporting scrim fibers, and yet it is the supporting scrim that contributes most to the felt's strength. The unique structure of GORE RASTEX Fibers Weaving Yarn makes it stronger and able to retain more strength after felting than other PTFE fibers. The result is stronger felts. Manufacturers can even use a looser scrim weave or smaller fiber to attain the same strength compared to other PTFE fibers, especially when GORE RASTEX Fibers Weaving Yarn is used.

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