181合股無捻粗紗是增強熱塑性塑料用長纖維，涂覆硅烷基浸潤劑，能與多種樹脂兼容。181主要用于雙螺桿擠出成型工藝生產熱塑性料粒，廣泛用于汽車部件、電子電氣、機械工具、化工防腐、體育用品等。

The 181 assemble roving is a long fiber for reinforced thermoplastics, coated with a silane-based sizing agent, which is compatible with a variety of resins. 181 is mainly used in twin-screw extrusion molding process to produce thermoplastic pallets, and is widely used in automobile parts, electronic and electrical, and machine tools. Machinery tools, chemical antiseptic, sporting goods, etc.