Silicone rubber has many excellent properties: breathability: Silicone rubber film has better breathability than ordinary rubber and plastic waxing film. Another characteristic is its strong selectivity for different air permeability rates. Gas exchange membrane medical artificial organ.

Cold resistance: Ordinary rubber has a temperature range of -20 ° C to -30 ° C, while silicone rubber still has good elasticity at -60 ° C to -70 ° C. Some special formulations of silicone rubber can also withstand extremely low temperatures. Low temperature sealing ring.

Weather resistance: Ordinary rubber rapidly degrades under the action of ozone generated by corona discharge, while silicone rubber is not affected by ozone. And under long-term exposure to ultraviolet radiation and other climatic conditions, its physical properties only show slight changes. Sealing materials for outdoor use.

Heat resistance: Silicone rubber has much better heat resistance than ordinary rubber, and can be used almost permanently at 150 degrees without any performance changes; Can be used continuously for 10000 hours at 200 degrees Celsius; It can also be used for a period of time at 350 degrees. Widely used in situations that require heat resistance: sealing rings for hot water bottles, pressure cookers, heat-resistant handles.

Electrical performance: Silicone rubber has a high electrical resistivity and its resistance value remains stable over a wide temperature and frequency range. At the same time, silicone rubber has good resistance to high-voltage corona discharge and arc discharge. High voltage insulator, TV, high voltage cap, electrical components, etc.

Conductivity: When conductive fillers (such as carbon black) are added, silicone rubber has conductive contact points on the keyboard.

Thermal conductivity: When certain thermal conductive fillers are added, silicone rubber has thermal conductivity heat dissipation fins, thermal sealing pads, photocopiers, fax machines, and thermal rollers.

Radiation resistance: Silicone rubber containing phenyl greatly improves the radiation resistance of electrically insulated cables and connectors for nuclear power plants.

Flame retardancy: Silicone rubber itself is flammable, but when a small amount of flame retardant is added, it has flame retardancy and self extinguishing properties; Moreover, since silicone rubber does not contain organic halides, it does not emit smoke or toxic gases during combustion, making it suitable for various occasions with strict fire prevention measures.

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