... -45°C~80°CSealLabyrinth sealLife timeMore than 30000hMaterialHDPE,UHMW-PE,PU,rubber,nylon,Specification (Φ)60, 75, 89, 108, 114, 127, 133, 159mmCertificateSupplier ... operation),long service life(3-5 times longer than metal roller). Tangyin County Wanxiang Plasticizing Co., LtdAdd: No.5 Shihua Road ... :0086-18639084177Website: http://wxsh.en.alibaba.com HDPE plastic conveyor roller