parts conveyor roller 1.Type:DTII,TD75,TR,DX 2.Material:steel,rubber,plastic,hdpe,uhmwpe 3.Roller sample ... ,Sprial roller MaterialCarbon Steel,Stainless steel,Plastic,Nylon,Rubber,Ceramic,HDPE,UHMPE,Polyurethane and so on SpecificationDiameter: ... size6204/6205/6206/6207/6305/6306/6307/6308Rubberheat vulcanized rubber. Wear resistant, anti-fireSealsmultiple labyrinth seal,polyurethane sealWeldingmixed ...