4221 PTFE GRAPHITE WITH ARAMID ZEBRA PACKING
MK4221 is blended and braided with 1126Y and 3000Y by special process...
MK3600 is blended and braided with 1126Y,3000Y and 3500Y by special process, The high-strength phenolic fiber braiding makes the packing has much higher wearing-resistant performance. Applicable for dynamic sealing at high linear speed and high media pressure.