粗纱 有机纤维（对芳族聚酰胺） 中间模量 15000旦尼尔（16700分特） 7.0％表面活性剂

This specification covers one type of organic (para-aramid) fiber in the form of roving. The product shall be formed as a number of ends, tows, or strands collected into a parallel bundle with little or no twist.Cross Reference: AMS3904