{"id":786,"date":"2026-04-30T15:36:41","date_gmt":"2026-04-30T07:36:41","guid":{"rendered":"http:\/\/8.211.42.149\/?post_type=myproducts&p=786"},"modified":"2026-07-01T17:35:15","modified_gmt":"2026-07-01T09:35:15","slug":"general-code","status":"publish","type":"products","link":"https:\/\/walleglobal.com\/de\/products\/general-code\/","title":{"rendered":"General Code"},"content":{"rendered":"
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General Code<\/h2>\n<\/div>\n\n\n\n
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Available for custom fabrication in black, white and blue<\/p>\n<\/div>\n<\/div><\/div>\n\n\n\n

General Code<\/td>Bestfluor\u00ae 2675<\/td>Bestfluor\u00ae 2690<\/td><\/tr>
Hardness<\/td>75<\/td>90<\/td><\/tr>
Temperature Range<\/td>-15\u00b0C ~ +260\u00b0C<\/td><\/tr>
Walle Perfluoroelastomer has the most spectrum of chemical resistance. It can be used for a variety of chemical substances, the coexistence of single or mixed environment, including epoxy acetylene, propylene oxide, etc. Excellent resistance to 260 \u00b0C or less hot water and steam properties.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
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Application Range<\/strong><\/div>
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Bestfluor\u00ae 2675 is suitable for extreme working conditions with strong corrosion, high temperature and high pressure. Its core applications are as follows:<\/p>\n\n\n\n

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  •  Seals<\/strong>: O-rings, gaskets<\/li>\n\n\n\n
  •  Oil & Gas Industry<\/strong>: Special parts for oilfields, compatible with rapid gas decompression (RGD) conditions (compliant with NORSOK requirements)<\/li>\n\n\n\n
  •  Semiconductor Industry<\/strong>: Components for semiconductor manufacturing<\/li>\n\n\n\n
  •  General Industry<\/strong>: Elastomer parts resistant to strong corrosion, oil and solvents in the chemical process industry (CPI)<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n
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    Characteristics<\/strong><\/strong><\/div>
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    1. Basic Structure & Curing Properties<\/strong><\/strong><\/h3>\n\n\n\n
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    • Composed of tetrafluoroethylene and perfluoroalkyl vinyl ether, belonging to FFKM perfluoroelastomers<\/li>\n\n\n\n
    • Peroxide curing system, requiring press curing and post curing; standard post curing condition: 260\u2103 for \u2265 4 hours<\/li>\n<\/ul>\n\n\n\n

      2. Core Performance Advantages<\/strong><\/strong><\/h3>\n\n\n\n
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      • Excellent chemical resistance<\/strong>: Resistant to hydrocarbons, acids and alkalis, ketones and esters, alcohols, amines, oils, steam, etc., with volume change < 5% in most media<\/li>\n\n\n\n
      • High temperature resistance<\/strong>: Peak temperature resistance of 260\u2103<\/li>\n\n\n\n
      • Outstanding compression set<\/strong>: Only 9.6% at 200\u2103 for 70h (standard test piece), 29% at 260\u2103 for 70h (O-ring)<\/li>\n\n\n\n
      • Stable mechanical properties<\/strong>: Tensile strength of 24.5MPa, elongation at break of 200%, Shore A hardness of 75<\/li>\n\n\n\n
      • Excellent heat aging resistance<\/strong>: Minimal changes in strength, hardness and elongation after aging at 200\u2103 for 1000h and 260\u2103 for 168h<\/li>\n\n\n\n
      • Good processability<\/strong>: Flexible processing, can be formulated to adapt to rapid gas decompression conditions<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div><\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n
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