How many degrees of high temperature resistance of fluoro rubber O-ring

What is the high temperature resistance of the fluororubber O-ring? The high-temperature resistance of the fluororubber (FPM) O-ring seal is very good. It can work for a long time at 200 ℃ ~ 250 ℃, and can also work for a short time at 300 ℃. The compressive strength and strength of fluoroelastomers decrease significantly with increasing temperature. Fluorine rubber seals O-type sealing ring Fluorine rubber seals (FPM) O-type rubber seals sealing ring has very good high temperature resistance characteristics. It can work for a long time at 200 ℃ ~ 250 ℃, and can also work for a short time at 300 ℃. The compressive strength and strength of fluoroelastomers decrease significantly with increasing temperature. The characteristics of the change of compressive strength and strength are that below 150 °C, it decreases rapidly with the increase of temperature; in the middle of 150 °C to 260 °C, with the increase of temperature, the downward trend is slow. The fluororubber (FKM) O-ring can ensure the limit value of elasticity at a temperature of -15℃～-20℃. With the decrease of temperature, its compressive strength expands and becomes tough at lower temperature. When the thickness is 2MM, the ductility temperature is -30℃; when the thickness is 1.87MM, the temperature is -45℃; when the thickness is 0.63MM, the temperature is -53℃; when the thickness is 0.25, the temperature is -69℃. Generally, the operating temperature of fluororubber can be slightly lower than the ductility temperature. Fluorocarbon (FPM) O ring manufactures have excellent corrosion resistance properties. It has excellent stability to analytical chemical fluids, different light fuel oils and lubricating oils, and has good corrosion resistance to most substances, nitrogen oxides, benzene and xylene. Fluorine rubber (FKM) O-ring is used for airtightness at high temperature, and its key is to reduce the deformation. Therefore, Viton type fluororubber has been widely used, which is inseparable from the improvement of its shrinkage and deformation. The fluororubber O-ring has weather resistance and ozone resistance, and the effect of VITONA after 10 years of natural storage is still satisfactory. In the air with a carbon dioxide concentration of 0.01**, no obvious cracking occurred after 45 days.
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