{"id":1262,"date":"2026-02-10T09:17:49","date_gmt":"2026-02-10T09:17:49","guid":{"rendered":"https:\/\/www.atc-mould.com\/?p=1262"},"modified":"2026-02-10T09:17:49","modified_gmt":"2026-02-10T09:17:49","slug":"what-is-gas-assisted-injection-moulding-for-thick-wall-household-products","status":"publish","type":"post","link":"https:\/\/www.atc-mould.com\/?p=1262","title":{"rendered":"What Is Gas-Assisted Injection Moulding for Thick-Wall Household Products?"},"content":{"rendered":"\n

Gas-Assisted Injection Molding: The Ideal Solution for Thick-Walled Household Products<\/strong><\/p>\n\n\n\n

In modern home life, thick-walled plastic products are everywhere\u2014such as refrigerator handles, washing machine door handles, vacuum cleaner grips, air purifier housings, large storage bin handles, and more. These items need to balance durability, a solid and premium hand feel, and a smooth, sink-mark-free appearance. Traditional injection molding often results in severe sink marks, warping, and excessively long cooling times in thick sections. This is where Gas-Assisted Injection Molding (GAIM)<\/strong> becomes one of the most popular and effective solutions.<\/p>\n\n\n\n

What Is Gas-Assisted Injection Molding?<\/h3>\n\n\n\n

Gas-assisted injection molding is an advanced injection molding technique. Its core principle involves partially filling the mold with molten plastic (typically 70%\u201385% fill), then introducing high-pressure inert gas (most commonly nitrogen) through the nozzle or a gas pin into the melt. The gas pressure continues to push the molten plastic against the mold cavity walls, creating hollow channels especially in thick-walled areas.<\/p>\n\n\n\n

The resulting products feature:<\/p>\n\n\n\n

    \n
  • Uniform, glossy external wall thickness<\/li>\n\n\n\n
  • Internal hollow structure that significantly reduces material usage<\/li>\n\n\n\n
  • Excellent overall rigidity<\/li>\n<\/ul>\n\n\n\n

    Why Are Thick-Walled Household Products Particularly Suited to Gas-Assisted Injection Molding?<\/h3>\n\n\n\n

    Conventional solid thick-wall injection molding (wall thickness >6mm) commonly faces these issues:<\/p>\n\n\n\n

      \n
    • Severe surface sink marks<\/li>\n\n\n\n
    • Internal voids and warping deformation<\/li>\n\n\n\n
    • Long packing and cooling cycles<\/li>\n\n\n\n
    • High material waste and costs<\/li>\n<\/ul>\n\n\n\n

      Gas-assisted injection molding directly addresses these pain points and has gained wide adoption in household products:<\/p>\n\n\n\n

        \n
      • Refrigerator, washing machine, and sterilizer handles<\/strong>: Thick, premium feel with reduced weight and high-strength hollow structure<\/li>\n\n\n\n
      • Robot vacuum \/ vacuum cleaner grips<\/strong>: Comfortable hold and high-end appearance without sink marks<\/li>\n\n\n\n
      • Air purifier \/ humidifier thick-walled housings<\/strong>: Large flat surfaces free of sink marks, with stable dimensions<\/li>\n\n\n\n
      • Large plastic storage bins, children\u2019s chair armrests<\/strong>: Material savings of 30%\u201350% while maintaining sufficient rigidity<\/li>\n<\/ul>\n\n\n\n

        Key Advantages of Gas-Assisted Injection Molding (From a Household Product Perspective)<\/h3>\n\n\n\n
          \n
        • Saves 30%\u201350%<\/strong> on plastic raw materials<\/li>\n\n\n\n
        • Shortens molding cycle time by 15%\u201330%<\/strong><\/li>\n\n\n\n
        • Dramatically eliminates thick-wall sink marks, greatly improving appearance quality<\/li>\n\n\n\n
        • Reduces required clamping force, allowing larger parts to be produced on smaller-tonnage machines<\/li>\n\n\n\n
        • Minimizes warping and improves dimensional stability<\/li>\n\n\n\n
        • Enables thicker, more solid hand-feel designs and more complex rib structures<\/li>\n<\/ul>\n\n\n\n

          The Future Mainstream Process for Thick-Walled Household Parts<\/h3>\n\n\n\n

          As consumer demand grows for premium feel in home appliances and furniture combined with lightweight and eco-friendly attributes, gas-assisted injection molding<\/strong> is steadily becoming the preferred process for thick-walled household plastic products. Whether for brands chasing ultimate aesthetics or factories focused on cost control, GAIM delivers significant improvements in quality and economic benefits.<\/p>\n\n\n\n

          Gas assisted injection molding, thick wall injection molding, appliance handle molding, gas assisted molding process, GAIM, thick walled plastic products, sink mark free injection, material saving injection technology<\/p>\n\n\n\n

          <\/p>\n","protected":false},"excerpt":{"rendered":"

          Gas-Assisted Injection Molding: The Ideal Solution for Thick-Walled Household Products In modern home life, thick-walled plastic products are everywhere\u2014such as refrigerator handles, washing machine door handles, vacuum cleaner grips, air purifier housings, large storage bin handles, and more. These items need to balance durability, a solid and premium hand feel, and a smooth, sink-mark-free appearance. […]<\/p>\n","protected":false},"author":1,"featured_media":1263,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1262","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/www.atc-mould.com\/index.php?rest_route=\/wp\/v2\/posts\/1262","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.atc-mould.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.atc-mould.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.atc-mould.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.atc-mould.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1262"}],"version-history":[{"count":1,"href":"https:\/\/www.atc-mould.com\/index.php?rest_route=\/wp\/v2\/posts\/1262\/revisions"}],"predecessor-version":[{"id":1264,"href":"https:\/\/www.atc-mould.com\/index.php?rest_route=\/wp\/v2\/posts\/1262\/revisions\/1264"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.atc-mould.com\/index.php?rest_route=\/wp\/v2\/media\/1263"}],"wp:attachment":[{"href":"https:\/\/www.atc-mould.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1262"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.atc-mould.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1262"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.atc-mould.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1262"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}