with strong ability in grinding). And when producing the asbestos shingle, there should be a progress of mixing the materials. The short fibercan be morceled by chopping machine or manually. The reason for short fiberis is avoid all fiber winding and fiber grinding (the main component of glass fiber is silica, and offal of glass fiber used for asbestos shingle. It is low cost, and do not need any special requirements. For
the current market.
