January 01, 1970
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Made of special PTFE resin impregnated with PTFE dispersion, superior to 4000Y in both strength and abrasion resistance, used for braiding of high-strength seal packing. Available: 2g/m, 3g/m, 5g/m.
Woven with high-quality expanded glass fiber, it is a high-quality thermal insulation material and an ideal substitute for asbestos cloth.
MK4221 is blended and braided with 1126Y and 3000Y by special process...