1. for polyester three-Dimensional CrimpFibre for Special Smoothness 2.special type reactive Organosilicon Emulsion HY-888 Silicone Oil for polyester three-Dimensional Crimp Fiber for Special SmoothnessThis product is used in three-dimensional spiral polyester staple fiber for Special Smoothness.It is a four component silicone oil which consists of HY-8881, HY-8882, HY-8883, and HY-8884.HY-8881 ...