The characteristics of rubber O-ring seals filling effect. PTFE has small frictional resistance, and the dynamic and static frictional resistance is similar. Suitable for cylinder piston rod sealing, with high and low speed dynamic and high pressure systems. Sealed with two stepped rings for zero leakage. 1. Features of O-type silicone sealing ring: 1. The equipment is convenient, because the O-type silicone sealing ring itself and the position structure of the equipment are very simple, and have become standardized, so the equipment replacement is very optional. 2. The structure is simple. The sealing function is good. The cross-sectional structure of the O-type silicone sealing ring is extremely simple, with self-sealing effect and firm sealing function. Silicone products with silica gel as the main raw material are called silicone products. Silica gel is a porous substance of varying sizes made from moderately dried silicic acid dubious glue. It has open porous material, can adsorb many substances, is a good moisture-proof agent, absorbent and catalyst carrier. 3. Easy to use and wide range. According to suitable rubber seals
material and suitable formula design, complete the effective sealing effect on oil, water, gas, gas and various chemical substances. Wide temperature application range -60℃~+220℃), pressure can reach 1500Kg/cm2 in fixed use (used together with reinforcement ring). 4. Rich variety, suitable for various materials, specifications and pipe trenches have long been standardized. The silicone sealing ring is made of open porous material, which can absorb various substances and is a good moisture-proof agent, absorbent and catalyst carrier. The adsorption of silica gel is usually physical adsorption, which can be regenerated and reused. Add acid to alkali metal silicate (such as sodium silicate) solution to acidify it, and then pour a certain amount of electrolyte for mixing, that is, to produce silicate suspicious glue; or add acid to strong sodium silicate solution Or ammonium can also produce silicate dubious glue. 2. Application scope of O-type rubber sealing ring: O-type silicone sealing ring is widely used in diesel locomotives, vehicles, tractors, construction machinery, machine tools and various hydraulic and pneumatic components, which can be fixed. more than 50%. O Generally, when using a sealing ring, try to choose an O ring with a large cross-section. In the same case, the volume of the O type sealing ring extruded into the gap should be lower than the volume extruded into the maximum value. According to needs, heat, low temperature vacuum, various special-purpose sealing rings and rubber sealing products for different media.
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