{"id":710,"date":"2026-08-26T12:55:15","date_gmt":"2026-08-26T10:55:15","guid":{"rendered":"https:\/\/tera.si\/?page_id=710"},"modified":"2026-09-08T11:24:50","modified_gmt":"2026-09-08T09:24:50","slug":"pom-polioksimetilen","status":"publish","type":"page","link":"https:\/\/tera.si\/en\/prodajni-program\/pom-polioksimetilen\/","title":{"rendered":"POM \u2013 Polyoxymethylene"},"content":{"rendered":"

POM<\/strong>: Hostaform, Ultraform, Capital, Isoform, Tenac, Delrin<\/p>\n

\n
\n
KEY BENEFITS:<\/strong><\/div>\n
    \n
  • very good mechanical properties (homopolymer)<\/li>\n
  • toughness (impact modified)<\/li>\n
  • good spring properties<\/li>\n
  • low surface friction<\/li>\n
  • high dimensional stability<\/li>\n<\/ul>\n<\/div>\n
    \n
    LIMITATIONS:<\/strong><\/div>\n
      \n
    • slightly more demanding processing<\/li>\n
    • self-extinguishing<\/li>\n
    • UV resistance<\/li>\n<\/ul>\n<\/div>\n<\/div>\n

       <\/p>\n

      Typical applications<\/p>\n

      Precision mechanics and fine mechanisms<\/strong><\/p>\n

      Due to its high rigidity and ability to maintain precise tolerances, POM is the first choice for small, precise moving parts.<\/p>\n

        \n
      • Gears and bearings:<\/strong> Small gears in watches, printers, household appliances and toys.<\/li>\n
      • Sliding elements:<\/strong> Guides, slide rails, bushings and bearing cages.<\/li>\n
      • Spring elements:<\/strong> Plastic springs and buckles (as POM has excellent elastic return).<\/li>\n<\/ul>\n

        Automotive industry<\/strong><\/p>\n

        POM is used for components that must be resistant to fuels, oils and mechanical wear.<\/p>\n

          \n
        • Fuel systems:<\/strong> Fuel pump parts, tank floats and filter housings.<\/li>\n
        • Interior equipment:<\/strong> Window mechanisms, door handles, seat belts (buckles) and switches.<\/li>\n
        • External components:<\/strong> Windshield wiper mechanisms.<\/li>\n<\/ul>\n

          Plumbing and sanitary installations<\/strong><\/p>\n

          Because POM is extremely resistant to hydrolysis (unlike PBT) and does not swell in water (unlike PA), it dominates in sanitary engineering.<\/p>\n

            \n
          • Valves and mixers:<\/strong> Cartridges in single-lever mixer taps, valve housings.<\/li>\n
          • Fittings:<\/strong> Pipe fittings, spacers and water pump impellers.<\/li>\n
          • Shower heads:<\/strong> Internal mechanisms and nozzles.<\/li>\n<\/ul>\n

            Consumer goods and sports equipment<\/strong><\/p>\n

              \n
            • Textile industry:<\/strong> Durable zippers (zipper teeth), plastic buckles on backpacks (clip-clamp buckles).<\/li>\n
            • Sports:<\/strong> Ski bindings, parts of diving equipment, wheels for roller skates.<\/li>\n
            • Musical instruments:<\/strong> Guitar picks, certain parts of wind instruments and piano mechanisms.<\/li>\n<\/ul>\n

               <\/p>\n

              Quick comparison: When to choose POM and when PA?<\/strong><\/p>\n\n\n\n\n\n\n\n
              Property<\/strong><\/td>\nPOM (Acetal)<\/strong><\/td>\nPA (Polyamide \/ Nylon)<\/strong><\/td>\n<\/tr>\n
              Moisture absorption<\/strong><\/td>\nAlmost none (excellent dimensional stability)<\/td>\nHigh (can change dimensions and properties)<\/td>\n<\/tr>\n
              Sliding properties<\/strong><\/td>\nExcellent (lower friction, less sticking)<\/td>\nVery good (but wears out faster when running dry)<\/td>\n<\/tr>\n
              Impact toughness<\/strong><\/td>\nGood, but sensitive to sharp notches<\/td>\nExceptional (especially when it absorbs some moisture)<\/td>\n<\/tr>\n
              Chemical resistance<\/strong><\/td>\nResistant to fuels, solvents, bases; sensitive to acids<\/td>\nResistant to oils, fuels; sensitive to strong acids and bases<\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"excerpt":{"rendered":"

              POM is characterized by very good mechanical properties, high dimensional stability, good spring properties and low surface friction, making it suitable for precision and mechanically stressed products.<\/p>","protected":false},"author":1,"featured_media":0,"parent":91,"menu_order":2,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-710","page","type-page","status-publish","czr-hentry"],"_links":{"self":[{"href":"https:\/\/tera.si\/en\/wp-json\/wp\/v2\/pages\/710","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tera.si\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/tera.si\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/tera.si\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tera.si\/en\/wp-json\/wp\/v2\/comments?post=710"}],"version-history":[{"count":12,"href":"https:\/\/tera.si\/en\/wp-json\/wp\/v2\/pages\/710\/revisions"}],"predecessor-version":[{"id":1211,"href":"https:\/\/tera.si\/en\/wp-json\/wp\/v2\/pages\/710\/revisions\/1211"}],"up":[{"embeddable":true,"href":"https:\/\/tera.si\/en\/wp-json\/wp\/v2\/pages\/91"}],"wp:attachment":[{"href":"https:\/\/tera.si\/en\/wp-json\/wp\/v2\/media?parent=710"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}