PTFE sewing thread

Made from high classics non-alkali fiberglass roving,treated by organics coating,the high temperature resistant fiberglass sewing thread is smooth,soft,wear and fracture resistance,high temperature resistance,corrosion resistance and with high strength performance. The threadis hard to be untwisted when sewing,so the sewed products always in tidy and clean seam,and doesn't teasel or broken. The sewed filter-bag can work even in 280 celsius degree.