1127 built-in Kevlar PTFE packing
Each PTFE graphite yarn is covered with aramid fiber in its center

Made of various high strength and high-module spun araimd fibers through both advanced COVECORE blend spinning and PROIM fiber pretreatment process, rendering shaft high lubricity and low wearability due to dual lubricant content, and applicable for shaft-seal of reciprocating and rotating machines under high pressure and linear speed.