Acrylic PTFE Fiber Packing by acrylic fiber yarn, such as latex impregnated Teflon lubricant prepared to deal with again. It has a flexible, high elasticity, good sealing properties, such as performance, widely applicable to the rotation axis conversion, paper mills, and food industries. Temperature: -100 ~ 250 ℃ Pressure :20-200 MPa PH: 2 ~ 14