product description：

Made of high-quality PTFE fiber, it is suitable for packing sealing of valves, kettles and pumps under corrosive medium conditions in chemical, pharmaceutical, food, petrochemical, electric power and other industries.

Product Features：

Pressure (MPa): 5 (rotary), 15 (reciprocating), 25 (valve)

Temperature: -200C~ + 2609C

Linear speed (m/s) : 0~20

PH value: 0~ 14