{"id":9747,"date":"2026-02-09T02:53:38","date_gmt":"2026-02-09T02:53:38","guid":{"rendered":"https:\/\/shop.damao-tech.com\/?p=9747"},"modified":"2026-02-09T02:53:39","modified_gmt":"2026-02-09T02:53:39","slug":"eva-schaum-dichte-erklart","status":"publish","type":"post","link":"https:\/\/shop.damao-tech.com\/de\/2026\/02\/09\/eva-schaum-dichte-erklart\/","title":{"rendered":"EVA-Schaumdichte erkl\u00e4rt: Bedeutung, Diagramm und Auswahlkriterien"},"content":{"rendered":"<p>EVA-Schaumdichte ist einer der wichtigsten Parameter, die die Leistung, Haltbarkeit und Langzeiterhaltbarkeit beeinflussen. Allerdings wird die Dichte oft falsch verstanden oder vereinfacht als \u201cH\u00e4rte\u201d oder \u201cSchaumst\u00e4rke\u201d dargestellt, was zu einer falschen Materialauswahl f\u00fchren kann.<\/p>\n\n\n\n<p>Diese Anleitung erl\u00e4utert, was die Dichte von EVA-Schaum tats\u00e4chlich bedeutet, wie sie gemessen wird und wie Ingenieure und Produktdesigner die passende Dichte f\u00fcr reale Anwendungen ausw\u00e4hlen.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">1. Was bedeutet EVA-Schaumdichte?<\/h2>\n\n\n\n<p>EVA-Schaumdichte bezieht sich auf die Masse des Materials pro Volumeneinheit, typischerweise in&nbsp;<strong>kg\/m\u00b3<\/strong>. ausgedr\u00fcckt. Sie zeigt an, wie viel Polymermaterial innerhalb der Schaumstruktur vorhanden ist.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Niedrige Dichte:<\/strong>\u00a0Mehr Luftgehalt, leichteres Gewicht, h\u00f6here Komprimierbarkeit<\/li>\n\n\n\n<li><strong>Hohe Dichte:<\/strong>\u00a0Mehr Polymermasse, h\u00f6herer Lastwiderstand, verbesserte Haltbarkeit<\/li>\n<\/ul>\n\n\n\n<p>Dichte ist keine direkte Messung der Oberfl\u00e4chenh\u00e4rte. Zwei EVA-Schaumstoffe mit identischer Shore-H\u00e4rte k\u00f6nnen sich dennoch sehr unterschiedlich verhalten, wenn ihre Dichten erheblich voneinander abweichen.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2. Typischer EVA-Schaumstoffdichtewertebereich<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Dichtebereich (kg\/m\u00b3)<\/th><th>Schaumeigenschaften<\/th><th>G\u00e4ngige Anwendungen<\/th><\/tr><\/thead><tbody><tr><td>33 \u2013 60<\/td><td>Ultra-leicht, hoch komprimierbar<\/td><td>Yoga-Matten, Schwimmkissen, weiche Verpackung<\/td><\/tr><tr><td>60 \u2013 100<\/td><td>Leicht, mit grundlegendem Strukturunterst\u00fctzung<\/td><td>Schutzmatten, Einsteiger-Schuhe<\/td><\/tr><tr><td>100 \u2013 150<\/td><td>Geeignetes Polsterung und Stabilit\u00e4t<\/td><td>Athletische Mittelsohlen, Orthop\u00e4die, Sportausr\u00fcstung<\/td><\/tr><tr><td>150 \u2013 220<\/td><td>Hohe Festigkeit, reduzierter Kompressionsverlust<\/td><td>Marinedeck, Werkzeugtr\u00e4ger, industrielle Polster<\/td><\/tr><tr><td>220 \u2013 280<\/td><td>Sehr steif, formbest\u00e4ndig<\/td><td>Strukturteile aus Schaumstoff, schwerlastige Komponenten<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>These ranges are representative of common EVA foam formulations. Actual performance depends on expansion ratio, cell structure, and additive systems.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3. How Density Affects EVA Foam Performance<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Compression Resistance<\/h3>\n\n\n\n<p>Higher-density EVA foam resists deformation under sustained loads, making it suitable for applications where long-term thickness retention is critical.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Durability and Abrasion Resistance<\/h3>\n\n\n\n<p>As density increases, EVA foam generally exhibits improved abrasion resistance and lower compression set, extending service life in demanding environments.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Weight Considerations<\/h3>\n\n\n\n<p>Lower density significantly reduces part weight, which is essential for portable products and comfort-driven applications.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4. Density vs. Hardness: A Common Misconception<\/h2>\n\n\n\n<p>Density and hardness are related but independent variables. Hardness (Shore C or Shore A) measures surface indentation resistance, while density reflects the internal mass distribution of the foam.<\/p>\n\n\n\n<p>For a detailed explanation of Shore hardness scales and their practical differences, see our related guide:&nbsp;<a href=\"https:\/\/shop.damao-tech.com\/de\/eva-foam-density-hardness-guide\/\">EVA Foam Density &amp; Hardness: Shore A vs Shore C<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">5. How to Choose the Right EVA Foam Density<\/h2>\n\n\n\n<p>Engineers typically select density based on functional priorities:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Maximum cushioning and weight reduction:<\/strong>\u00a033\u201380 kg\/m\u00b3<\/li>\n\n\n\n<li><strong>Balanced comfort and durability:<\/strong>\u00a080\u2013150 kg\/m\u00b3<\/li>\n\n\n\n<li><strong>Structural stability and wear resistance:<\/strong>\u00a0150\u2013220 kg\/m\u00b3<\/li>\n\n\n\n<li><strong>Minimal deformation under load:<\/strong>\u00a0220+ kg\/m\u00b3<\/li>\n<\/ul>\n\n\n\n<p>Density selection should always be validated with physical samples, especially for load-bearing or outdoor applications.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">6. Frequently Asked Questions About EVA Foam Density<\/h2>\n\n\n\n<p>Q: Does higher density always mean better quality?<\/p>\n\n\n\n<p>No. Higher density improves strength and durability, but may reduce cushioning and increase weight. The optimal density depends entirely on application requirements.Q: Can EVA foam density be customized?<\/p>\n\n\n\n<p>Yes. Density can be adjusted by controlling formulation and expansion ratio within practical manufacturing limits.Q: Is density related to water absorption?<\/p>\n\n\n\n<p>Indirectly. Higher-density EVA foam typically has a tighter cell structure, which can reduce water absorption in wet environments.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Need Help Selecting EVA Foam Density?<\/h2>\n\n\n\n<p>Our team provides density samples, technical data sheets, and application-specific recommendations for EVA foam projects.<a href=\"https:\/\/shop.damao-tech.com\/de\/kontakt\/\">Anfrage technischer Support<\/a><\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>EVA foam density is one of the most important parameters affecting performance, durability, and long-term stability. However, density is often misunderstood or oversimplified as \u201chardness\u201d or \u201cfoam stiffness,\u201d which can lead to incorrect material selection. This guide explains what EVA foam density actually means, how it is measured, and how engineers and product designers select [&#8230;]\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[624],"tags":[],"class_list":["post-9747","post","type-post","status-publish","format-standard","hentry","category-eva-material"],"_links":{"self":[{"href":"https:\/\/shop.damao-tech.com\/de\/wp-json\/wp\/v2\/posts\/9747","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/shop.damao-tech.com\/de\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/shop.damao-tech.com\/de\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/shop.damao-tech.com\/de\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/shop.damao-tech.com\/de\/wp-json\/wp\/v2\/comments?post=9747"}],"version-history":[{"count":0,"href":"https:\/\/shop.damao-tech.com\/de\/wp-json\/wp\/v2\/posts\/9747\/revisions"}],"wp:attachment":[{"href":"https:\/\/shop.damao-tech.com\/de\/wp-json\/wp\/v2\/media?parent=9747"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/shop.damao-tech.com\/de\/wp-json\/wp\/v2\/categories?post=9747"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/shop.damao-tech.com\/de\/wp-json\/wp\/v2\/tags?post=9747"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}