January 01, 1970
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MK4230 is blended and braided with 4000Y and 3000Y by special process, and reinforced with aramid fiber in four corners to get high wearing –resistant performance.
Outer ring grooving machine design for making groove of outer ring of spiral wound gasket, controlled by air pump. No longer expensive lathes need; one worker can see after more then 10 machines in same time.
The phenolic fiber does not melt or burn in a flame at 2500℃. It has good thermal insulation performance and excellent corrosion resistance.
