... 3.Resistant to water,ozone,oil,dust, Silicone Sealing OSTANKINO SILICONE CO., LTD is a professional Silicone & rubber & plastic parts producer, Our ... , construction bridges and tunnel. Etc. 5.Other details: MaterialEPDM/Silicone/NBR/ PVC RubberProducing wayExtrusion or mould pressingUsagerailcars, automobile, steamboat, ... your requirements with the high quality and reasonable price. Silicone Sealing