The compound tussah silk is a premiumgradematerial that has the high performance of the natural protein fiber and other fiber.
柞蚕复合丝是集天然蛋白纤维及其他纤维的优良性于一身的高级材料。
2
Types ASPA-1 and ASPA-2 alumina-silica fiber paper are premiumgrade lightweight refractory material made from high-purity alumina-silica fibers formed into highly flexible sheets.