{"id":257251,"date":"2026-05-05T08:45:16","date_gmt":"2026-05-05T06:45:16","guid":{"rendered":"https:\/\/ellegi.com\/?p=257251"},"modified":"2026-05-05T08:45:16","modified_gmt":"2026-05-05T06:45:16","slug":"case-history-cylinder-head-gaskets-drm-material","status":"publish","type":"post","link":"https:\/\/ellegi.com\/zh-hans\/2026\/05\/case-history-cylinder-head-gaskets-drm-material\/","title":{"rendered":"Case history: new cylinder head gasket material comparison"},"content":{"rendered":"[et_pb_section fb_built=”1″ _builder_version=”4.16″ _module_preset=”default” custom_padding=”0px|||||” global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_row _builder_version=”4.16″ _module_preset=”default” custom_margin=”1px|auto||auto||” custom_padding=”0px||0px|||” global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_column type=”4_4″ _builder_version=”4.16″ _module_preset=”default” global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_text _builder_version=”4.27.6″ _module_preset=”2fa55ecb-cc36-458a-bbf1-8a0aeb26e909″ custom_margin=”0px||1px||false|false” hover_enabled=”0″ global_colors_info=”{}” theme_builder_area=”post_content” sticky_enabled=”0″]\n

Recently, we have been working with dedication to enhance our metal-paper sandwich material<\/strong>, aiming to improve its reliability and sealing performance on maintained engines.<\/p>\n

To tangibly measure the value of our solutions, we conducted a rigorous assessment, analysing the mechanical behavior of three products:<\/p>\n

    \n
  1. The benchmark<\/strong>: OE Caterpillar as reference standard. Tested on nr.2 genuine parts.<\/li>\n
  2. The WGE solution<\/strong>: our new DRM (Double Reinforced Material).<\/li>\n
  3. The alternative<\/strong>: a competitor in Aftermarket field.<\/li>\n<\/ol>\n

    The test focused on compressibility<\/strong> (ability to conform to surface irregularities), elastic recovery<\/strong> (ability to maintain sealing load over time), and curve stability<\/strong> (consistency and uniformity during the load cycle).<\/p>\n

    Technological evolution: the 5-layer configuration<\/h2>\n

    To further improve mechanical stability<\/strong> and long-term sealing performance<\/strong>, the DRM material evolves from a traditional 3-layer structure to a reinforced 5-layer sandwich design<\/strong>.<\/p>\n

    This advanced architecture consists of:<\/p>\n

      \n
    • Graphite-coated cylinder head gasket special paper on outer sides<\/strong>.<\/li>\n
    • Two perforated steel layers<\/strong> for structural reinforcement.<\/li>\n
    • Central graphite-coated cylinder head gasket special paper<\/strong> as binder.<\/li>\n<\/ul>\n

      This structural innovation guarantees improved load distribution<\/strong> across the gasket surface and higher structural stability<\/strong> under high bolt loads.<\/p>\n

      The results<\/h2>\n

      Laboratory data confirm the engineering superiority<\/strong> of our solution. The new World Gasket Ellegi double reinforced material registers a controlled compressibility of 10.68%<\/strong> and an elevated elastic recovery of 81.0%<\/strong> , ensuring a very low permanent set.<\/p>\n

      Comparing our product with the market alternative, the new World Gasket Ellegi DRM offers:<\/p>\n

        \n
      • +10%<\/strong> higher elastic recovery.<\/li>\n
      • Lower thickness loss<\/strong> after compression and a stable mechanical behavior<\/strong>.<\/li>\n
      • A smooth and stable plateau across the full load cycle, indicating a homogeneous<\/strong> and robust<\/strong> sandwich structure.<\/li>\n<\/ul>\n

        The Ellegi solution maintains its strength over time<\/strong>, whilst the tested Aftermarket competitor showed a poor elastic recovery of 64.32% and a noticeable loss of thickness after release , highlighting the technical risk of a potential progressive reduction of sealing load during operation.<\/p>\n

        World Gasket DRM is engineered for longevity, thermal stability and consistent sealing<\/strong> under heavy-duty conditions. It provides a reliable, OEM-oriented alternative with clear performance advantages over common aftermarket solutions.<\/p>\n

        For further information, please do not hesitate to contact us.<\/strong><\/em><\/p>\n[\/et_pb_text][et_pb_button button_url=”https:\/\/ellegi.com\/en\/contacts\/” url_new_window=”on” button_text=”Contact us” button_alignment=”center” _builder_version=”4.27.6″ _module_preset=”default” custom_margin=”30px||||false|false” hover_enabled=”0″ global_colors_info=”{}” theme_builder_area=”post_content” sticky_enabled=”0″][\/et_pb_button][et_pb_divider show_divider=”off” _builder_version=”4.16″ _module_preset=”default” global_colors_info=”{}” theme_builder_area=”post_content”][\/et_pb_divider][\/et_pb_column][\/et_pb_row][\/et_pb_section]\n","protected":false},"excerpt":{"rendered":"

        At World Gasket Ellegi, innovation stems from constantly listening to our partners’ needs. In this in-depth analysis, we present the results of our latest engineering test on cylinder head gaskets, comparing our new 5-layer metal-paper sandwich material with OE standards and market alternatives. Read the article for details.<\/p>\n","protected":false},"author":16,"featured_media":257256,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","inline_featured_image":false,"wds_primary_category":0,"footnotes":""},"categories":[128,25],"tags":[],"class_list":["post-257251","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-case-studies","category-highlights"],"_links":{"self":[{"href":"https:\/\/ellegi.com\/zh-hans\/wp-json\/wp\/v2\/posts\/257251","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ellegi.com\/zh-hans\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ellegi.com\/zh-hans\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ellegi.com\/zh-hans\/wp-json\/wp\/v2\/users\/16"}],"replies":[{"embeddable":true,"href":"https:\/\/ellegi.com\/zh-hans\/wp-json\/wp\/v2\/comments?post=257251"}],"version-history":[{"count":0,"href":"https:\/\/ellegi.com\/zh-hans\/wp-json\/wp\/v2\/posts\/257251\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ellegi.com\/zh-hans\/wp-json\/wp\/v2\/media\/257256"}],"wp:attachment":[{"href":"https:\/\/ellegi.com\/zh-hans\/wp-json\/wp\/v2\/media?parent=257251"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ellegi.com\/zh-hans\/wp-json\/wp\/v2\/categories?post=257251"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ellegi.com\/zh-hans\/wp-json\/wp\/v2\/tags?post=257251"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}