Specification
inner 25.4~ 203.2mm , outner 31.4~ 233.2mm , Thick 3~ 15mm , L 50~200mm.or glue ceramic tiles with any size of pipes.

Materials: Al2O3, ZrO2, Si3N4.

Character: high for wear and tear, high temperature, high density, low friction, can use in many different industry environment.