... 1800mm 2.idler diameter:60-159mm 3.roller material:hdpe Wanxiang Plasticizing Co., Ltd. 1. We are the ... rollers in China mainland. 2. Plastic materials:UHMW PE,HDPE, nylon,PU, rubber,PVC and so on. Products ... no need maintenance. 7.Low noise,3-7DB smooth operation,long service life(which id 3-5 times ... of metal roller) Application:WANXIANG HDPE conveyor idler rollers are widely used in open-air ...