它是由成型石英玻璃纤维制成的。纤维要薄得多，它会快速彻底地消耗和反弹。该系列主要用于吸收过度解离的颗粒物，减少污染。

It is made of formed quartz glassfiber. The fiber is much thinner, and it expends and rebounds quickly and thoroughly. This series is mainly used to absorb the over dissociative particles and decrease the pollution.