... Wear Resistant Mechanical Seal Hydraulic Pump Seals/Oil SealsPackaging & Delivery:Packaging Details: Inner polybag ... air, by express DHL, UPS, FedEx etcFeature of pump seal: Ozone and chemical resistance High temperature resistance ... description Product NameHigh Wear Resistant Mechanical Seal Hydraulic Pump Seals/Oil SealsBrandSINBOMaterialcemented carbide,carborundum,Stainless steel,graphite etc. ...