The new FOY/POY filament yarn mingling jets made from tungsten carbide and their advantages, characteristics, applications are described.

• 介绍了用于加工FOY/POY的新型网络喷嘴。喷嘴用碳化钨经精密加工制成,具有提高产品质量,降低成本,便于安装以及适宜于改造老纺丝线等优点。