4220 PTFE GRAPHITE WITH ARAMID IN CORNERS BRAIDED PACKING
MK4220 is blended and braided with 1126Y and 3000Y by special process...
The base material and process are the same as MK8000, supplemented by a silicone rubber material as an elastomer at the center. The product has better compression compensation performance. It is suitable for pumps, valves and kettles with higher linear speed and higher pressure.
Modified PTFE is made of PTFE resin with a certain amount of fillers, such as glass fiber, silica, etc., mixed evenly at high speed, molded by molding, and then sintered at high temperature. Has excellent compressibility, recovery and sealing. Its unique properties and high-level characteristics show tightness and torque retention.