Material property

FKM
 
Fluorine rubber is a copolymer of vinylidene fluoride and hexafluoropropylene six, entered the market in twentieth Century 50 time metaphase. The proportion is as high as 1.85. According to the molecule structure and fluorine, fluorine rubber chemical resistance and low temperature resistance performance is also somewhat different. Fluorine rubber is in its flame retardant (genus from the fire Zixi), excellent hermeticity (vacuum degree up to 1.33x10-7 ~ 1.33x10-8pa), ozone resistance, weather resistance, good aging resistance and anti chemical properties of widely known. Made with organic peroxide sulfuration of Viton products has more excellent performance.
    The company can provide the DuPont Viton series of fluorine elastomer products. Such as general grades (A-TYPE, fluorine content 66%), moderate fluorine content grades (B-TYPE, fluorine content 67-68.5%), grade high fluorine content of (E-TYPE, GF-TYPE, fluorine content 70%), low temperature resistant grades (GLT-, GFLT) and more resistant to chemical medium Viton ETP. We can also provide good acid resistance, alkali resistance is made of Viton TFE/P products.
    (one) temperature range
      Static seal: -26 ℃ ~ 232 ℃, 275 ℃ short
      Dynamic seal: -15 ℃ ~ 200 ℃
      GLT type: -45 ℃ ~ 215 ℃
    (two) hardness range
      Shore A50 degrees to 90 degrees.
    (three) colour
      Black, brown, green, white, brown red, yellow, blue, the color can also be specified by the client.
    (four) application
      Made of fluorine rubber seal for sealing products, automobile, aircraft engine, can be used for a long time at 250 ℃, the seal is very suitable for the engine power output shaft, can also be used for engine valve stem seals, cylinder liner seal, seal, seal, clutch air cleaner fuel pump and fuel hose inner layer glue etc.. Fluoro rubber seals can be only used in high vacuum conditions, below 1.33x10-7pa, the other cannot be used for sealing rubber. Thus, fluorine rubber has been widely used in aerospace applications. Fluorine rubber seal for inorganic acid, 67% acid at 140 ℃, 70 ℃ concentrated hydrochloric acid, long-term use can nitrate below 90 ℃ 30%, fluorine rubber special formula can also be used in aqua regia. In the semiconductor manufacturing industry, can be used for four chlorinated silicon, gallium arsenide, phosphorus oxychloride, three under 275 ℃ medium. Viton GLT has a broad range of temperatures, and the performance has excellent anti HTS type mineral oil corrosion, commonly used in the aerospace field. Viton ETP has a wider range of chemical resistance, commonly used in the chemical industry.

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Kunshan Tetlock Seal Technology Co., Ltd.
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