Title price only for demonstration, please contact customer service. Product features: 1, the use of synthetic natural rubber materials, anti-aging, strong acid and alkali resistance. 2, high temperature, acid and alkali resistance, oil resistance, corrosion resistance. 3, strong elasticity, good sealing performance, mechanical deformation is not easy. 4, can be used as a substitute for chemical or biological experiments in the use of glass grinding plug. 5, compared with foreign similar products have a higher cost. Uses: mainly used in sheet metal, die casting, metal workpiece in powder coating or surface treatment process, protect the screw hole dusting, spray paint, fuel injection, electroplating, electrophoresis processes are not damaged or prevent pollution, paint and chemical liquid into the economy with the earthquake, at the same time, solid, non slip effect. Product features: silica gel products are made from raw materials through high temperature vulcanization. Non toxic, colorless, transparent, high temperature resistant. Suitable for all kinds of hardware, mechanical and electrical, lighting, daily necessities. Can be customized according to customer requirements