4221 PTFE GRAPHITE WITH ARAMID ZEBRA PACKING
MK4221 is blended and braided with 1126Y and 3000Y by special process...

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.