Tecnoflon® FKM Low Temperature grades are a wide portfolio including ionic and peroxide curable grades with TR10 range from -19°C to -40°C. But for short working periods it will take even higher temperatures.

One of the downsides of using FKM rubber is the lack of low-temperature performance. ASTM D-2000 classification: HK Temperature Range:-26°C to +205°/230°C (-15°F to +400°/440°F) Properties. Many polymer suppliers will use standard FKM polymers, which can be used down to -25°C, while low-temperature polymers can work down to -40°C. FKM is the ASTM designation for a class of fluorinated, carbon-based synthetic rubber, commonly known as fluoroelastomer. Special FKM grades can be used down to -45°C/-49°F. FKM also exhibits extraordinary levels of resistance to high pressures, chemicals and other fluids (including several fuels).

Selecting the correct elastomer for an application will depend on the chemical resistance, temperature and mechanical properties needed.
High density and high quality feel (some FKMs are used in everyday items like watches).

Key Use(s): Fluorocarbon seals are ideal for aircraft engines, automotive fuel handling systems.Fluorocarbon is also good for high temperature / low compression set applications. The operating temperature of FKM ranges from -20°C/-4°F to 200°C/392°F, for a short period of time up to 230°C/446°F. IPEX Chemical Resistance Guide for EPDM & FKM i Elastomers have outstanding resistance to a wide range of chemical reagents. FKM polymers can go down to -60’C. Fluorocarbon elastomers have grown to major importance in the seal industry. They are specially designed for sealing solutions in oil drilling in cold environment as well as in the latest automotive engine technologies, like LPG, CNG and high-performance fuel injection systems. Moreover, FKMs have excellent abrasion resistance and the ability to seal against hard vacuum, as low as 133 nPa, absolute. Excellent chemical resistance.

FKM O-rings have a usable thermal range of -45°C to +275°C, and also resists the effects of thermal cycling, encountered in rapid ascent to and descent from the stratosphere. 3. Excellent weather ability and ozone resistance. Depending on structure, fluorine content and used curing system FKM materials can differ with regards to their chemical resistance and cold-flexibility. Wide temperature range (-45°C – 204°C). Advantages of FKM. Depending on the grade the working temperature range is considered to be -26°C to +205°/230°C (-15°F to +400°/440°F). Thermiculite has the biggest overall range of any slightly flexible gasket material from below -150⁰C to + 1000⁰C . Excellent gas and liquid permeation resistance. Viton® temperature rating. It is available in sheet form, within a Kammprofile , as the filler in a spiral wound and within a ring type joint. Chemical resistance/applications Learn how Viton™ high-performance fluoroelastomers retain their properties when exposed to high temperatures and pressures, as well as harsh chemicals. FKM has impressive heat resistance, allowing FKM seals to withstand temperatures greater than 200°C. Tecnoflon® FKM and PFR FFKM (fluoroelastomers and perfluoroelastomers) are designed for demanding sealing applications in aggressive chemical and high heat environment. The gasket material with the biggest temperature range is Thermiculite. Description: Combining high temperature resistance with outstanding chemical resistance, Fluorocarbon (also known as Fluoroelastomer) based compounds approach the ideal for a universal O-ring material.



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