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.