3500 PHENOLIC FIBER IMPREGNATED WITH PTFE BRAIDED PACKING
The phenolic fiber does not melt or burn in a flame at 2500℃. It has good thermal insulation performance and excellent corrosion resistance.

MK4080 is braided with 4080Y. It’s flexible and stable, has low friction coefficient and excellent compression resistance. Applicable for all chemical compounds except alkali metal and gaseous fluorine ,reciprocating pumps, rotary pump, piston, stem, expansion joint at high leaner speed.