Heat resistance of silicone rubber foam sealing strip

Silicone rubber foam sealing strip is not only environmentally friendly, but also has excellent tensile strength and heat resistance. Its heat resistance is comparable to that of fluorine rubber, and the performance of silicone rubber seals is better than that of fluorine rubber, and its price is also higher than that of fluorine rubber. Therefore, the application of silicone rubber products is more common. Silicone rubber is a new type of polymer material ductile raw material. Silicone rubber foam sealing strip has excellent heat resistance, which can reach 250℃-300℃, and has excellent cold resistance, which can reach -40-60℃. It is worth mentioning that the silicone rubber foam sealing strip has excellent physiological reliability, and can withstand repeated severe and sterilization standards, with excellent resilience and small permanent deformation (200 ° C for 48 hours does not exceed 50 %), the breakdown field strength is (20-25KV/mm), resistant to active oxygen and ultraviolet rays. Silicone rubber foam sealing strip The sealing strip made of silicone rubber seals is soft and ductile. After unique production and processing, it is non-toxic, colorless and tasteless, and can withstand high temperature of 200 ° C, high pressure and several times of steaming. It is used in the thermal insulation insulation layer of household appliances, the internal hose of domestic water system software, the internal connection of industrial refrigeration equipment, natural gas supplies, mechanical equipment, lighting fixtures and other commodities. In the current market, the price of silicone rubber seals foam sealing strips from different sealing strip manufacturers is different, and sometimes the difference is relatively large. The key factors that affect the price of silicone rubber foam sealing strips are the raw materials and processing technology of the products. Differences in raw materials and processing techniques endanger price differences. Therefore, when choosing a silicone rubber foam seal, not only the price problem, but also the product quality is crucial.
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