... to oil,dust,water,ozone 3.material:EPDM,NBR,SILICONE,PVC Rubber SealOSTANKINO SILICONE CO., LTD is a professional Silicone & rubber & plastic ... mainly produce silicone extrusion parts and rubber & plastic extrusion and molded parts.1. Our products include ... chemical and physical property, excellent oil, high/low temperature-resistant, wearing-resistant, oil-resistant, dust-resistant.4. Application ...