SF-1B bronze base bearing regard blue and green copper of tin as matrices, the middle frit bronze spherical powder, surface rolling PTFE and able to bear packing materials at high temperature . It has very high safety coefficient , the place to repair is very applicable that can't shut down in the continuous work. Apply metallurgical steel and iron industry to extensively already at present, person who cast square base roll dish , high-temperature stove steel surround position cement at the grouting pump and spiral conveyer even. It can make the steel set up on the outside , or make the turn-ups, terminal surface, interior hole rub at the same time and use.

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