{"id":9468,"date":"2025-05-23T02:30:25","date_gmt":"2025-05-23T02:30:25","guid":{"rendered":"https:\/\/shop.damao-tech.com\/?p=9468"},"modified":"2026-02-09T02:44:34","modified_gmt":"2026-02-09T02:44:34","slug":"verstandnis-der-dichte-und-harte-von-eva-schaum-nach-shore-ac-erklart","status":"publish","type":"post","link":"https:\/\/shop.damao-tech.com\/de\/2025\/05\/23\/verstandnis-der-dichte-und-harte-von-eva-schaum-nach-shore-ac-erklart\/","title":{"rendered":"Die Dichte und H\u00e4rte von EVA-Schaumstoff verstehen: Shore A\/C Erkl\u00e4rt"},"content":{"rendered":"<!-- Font Awesome Icons -->\n<link rel=\"stylesheet\" href=\"https:\/\/cdnjs.cloudflare.com\/ajax\/libs\/font-awesome\/6.4.0\/css\/all.min.css\">\n\n<style>\n.damao-clean-layout {\n    color: #333;\n    margin: 0 auto;\n}\n.damao-clean-layout h1 {\n    border-left: 6px solid #4d94e7;\n    padding-left: 15px;\n    margin-bottom: 30px;\n}\n.damao-clean-layout h2 {\n    border-bottom: 1px solid #eee;\n    padding-bottom: 8px;\n    margin-top: 40px;\n    color: #2c3e50;\n}\n.inline-link {\n    color: #4d94e7;\n    text-decoration: none;\n    font-weight: 600;\n}\n.inline-link:hover { text-decoration: underline; }\n\n.summary-note {\n    background-color: #f9f9f9;\n    border: 1px solid #4d94e7;\n    padding: 20px;\n    border-radius: 8px;\n    margin: 25px 0;\n}\n\n.spec-grid {\n    display: grid;\n    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));\n    gap: 20px;\n    margin: 25px 0;\n}\n.spec-card {\n    border: 1px solid #eee;\n    padding: 20px;\n    border-radius: 8px;\n}\n.spec-card i {\n    color: #4d94e7;\n    margin-right: 8px;\n}\n\n.table-container {\n    overflow-x: auto;\n    margin: 25px 0;\n}\n.custom-table {\n    width: 100%;\n    border-collapse: collapse;\n}\n.custom-table th,\n.custom-table td {\n    padding: 12px;\n    border: 1px solid #ddd;\n}\n.custom-table th {\n    background-color: #f4f7f9;\n}\n\n.faq-section { margin-top: 30px; }\n.faq-q {\n    font-weight: bold;\n    display: block;\n    margin-top: 15px;\n    color: #4d94e7;\n}\n\n.cta-simple-box {\n    background-color: #2c3e50;\n    color: #ffffff;\n    padding: 40px 20px;\n    text-align: center;\n    border-radius: 8px;\n    margin-top: 50px;\n}\n.cta-simple-box h2 { color: #fff; border: none; margin-top: 0; }\n.cta-btn {\n    display: inline-block;\n    background-color: #4d94e7;\n    color: #fff !important;\n    padding: 12px 35px;\n    border-radius: 4px;\n    text-decoration: none;\n    font-weight: bold;\n    margin-top: 20px;\n}\n<\/style>\n\n<div class=\"damao-clean-layout\">\n\n<h1>EVA Foam Density &amp; Hardness Guide: Shore A vs Shore C Explained<\/h1>\n\n<p>\nSelecting the correct EVA foam is not simply a matter of softness or thickness.\nIn industrial manufacturing, footwear development, marine applications, and protective packaging,\n<strong>density<\/strong> Und <strong>Shore hardness<\/strong> directly affect durability, energy return, machinability, and service life.\n<\/p>\n\n<p>\nAt Damao Tech, we manufacture <a href=\"https:\/\/shop.damao-tech.com\/de\/evaschaum\/\" class=\"inline-link\">EVA foam sheets and rolls<\/a>\nwith tightly controlled density and hardness ranges to support precise engineering requirements.\n<\/p>\n\n<div class=\"summary-note\">\n<strong><i class=\"fa-solid fa-circle-info\"><\/i> Engineering Note:<\/strong><br>\nDensity and Shore hardness are correlated but fundamentally different parameters.\nDensity primarily affects weight, compression resistance, and structural stability,\nwhile Shore hardness measures surface resistance to indentation under a standardized load.\n<\/div>\n\n<h2>1. EVA Foam Density Classification (kg\/m\u00b3)<\/h2>\n\n<p>\nDensity determines how much material mass exists per unit volume.\nHigher-density EVA generally provides better load-bearing capacity, dimensional stability,\nand abrasion resistance, while lower-density foam prioritizes cushioning and weight reduction.\n<\/p>\n\n<div class=\"spec-grid\">\n<div class=\"spec-card\">\n<h4><i class=\"fa-solid fa-feather-pointed\"><\/i> Low Density (33\u201380 kg\/m\u00b3)<\/h4>\n<p>\nUsed for yoga mats, soft protective packaging, flotation inserts, and comfort-focused cushioning\nwhere low weight and compressibility are critical.\n<\/p>\n<\/div>\n\n<div class=\"spec-card\">\n<h4><i class=\"fa-solid fa-box-open\"><\/i> Medium Density (80\u2013150 kg\/m\u00b3)<\/h4>\n<p>\nThe most common range for athletic footwear midsoles, orthotic components,\nsports equipment padding, and general-purpose industrial foam parts.\n<\/p>\n<\/div>\n\n<div class=\"spec-card\">\n<h4><i class=\"fa-solid fa-anchor\"><\/i> High Density (150\u2013280 kg\/m\u00b3)<\/h4>\n<p>\nPreferred for marine decking, industrial gaskets, tool control foam,\nand applications requiring higher stiffness, wear resistance, and shape retention.\n<\/p>\n<\/div>\n<\/div>\n\n<h2>2. EVA Foam Hardness Testing Standards (Shore A &amp; Shore C)<\/h2>\n\n<p>\nEVA foam hardness is commonly measured using <strong>ASTM D2240<\/strong>.\nDue to EVA\u2019s cellular structure, different Shore scales are used depending on formulation and industry.\n<\/p>\n\n<ul>\n<li><strong>Shore C:<\/strong> Common in footwear, sports, and foam-specific industries<\/li>\n<li><strong>Shore A:<\/strong> Used when comparing EVA to rubber or elastomer components<\/li>\n<\/ul>\n\n<p>\nBecause Shore A and Shore C use different indenters and spring forces,\n<strong>there is no exact mathematical conversion<\/strong> between the two scales.\nThe table below reflects commonly observed industry reference ranges.\n<\/p>\n\n<div class=\"table-container\">\n<table class=\"custom-table\">\n<thead>\n<tr>\n<th>Shore C (EVA Foam)<\/th>\n<th>Approx. Shore A<\/th>\n<th>Typical Application<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>15 \u2013 25 \u00b0C<\/td>\n<td>5 \u2013 10 A<\/td>\n<td>Extra-weiche Polsterung, therapeutische Einlagen<\/td>\n<\/tr>\n<tr>\n<td>35 \u2013 45 \u00b0C<\/td>\n<td>20 \u2013 25 A<\/td>\n<td>Standard Sport-Mittelsohlen, sto\u00dfd\u00e4mpfende Polster<\/td>\n<\/tr>\n<tr>\n<td>55 \u2013 65 \u00b0C<\/td>\n<td>35 \u2013 45 A<\/td>\n<td>Marinenboden, Werkzeugkontrollsch\u00e4ume, sch\u00fctzende Paneele<\/td>\n<\/tr>\n<tr>\n<td>75 \u2013 85 \u00b0C<\/td>\n<td>55 \u2013 70 A<\/td>\n<td>R\u00edgide industrielle Teile, strukturelle Schaumkomponenten<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n\n<div class=\"summary-note\">\n<strong>Wichtige Warnung:<\/strong><br>\nDie genannten Shore A- und Shore C-Werte sind approximate Referenzbereiche basierend auf g\u00e4ngigen EVA-Schaumformulierungen.\nDie tats\u00e4chlichen Testergebnisse k\u00f6nnen je nach Dichte, Ausdehnungsratio, Zellstruktur und Testbedingungen variieren.\n\u00dcberpr\u00fcfen Sie immer Materialspecifikationen mit physischen Mustern.\n<\/div>\n\n<h2>3. Wie Ingenieure EVA-Schaum ausw\u00e4hlen: Eine praktische Logik<\/h2>\n\n<p>\nAnstatt Dichte oder H\u00e4rte isoliert zu w\u00e4hlen,\narbeiten Ingenieure typischerweise r\u00fcckw\u00e4rts von funktionalen Anforderungen aus:\n<\/p>\n\n<ul>\n<li><strong>Sollte auf Polsterung oder Energieabsorption geachtet werden?<\/strong><br>\n\u2192 Beginnen Sie mit dem Shore C-Bereich und passen Sie die Dichte f\u00fcr die Haltbarkeit an.<\/li>\n\n<li><strong>Besorgt \u00fcber die Dimensionstabilit\u00e4t oder das Fr\u00e4sen?<\/strong><br>\n\u2192 Beginnen Sie mit der Dichte und feinabstimmen Sie die H\u00e4rte.<\/li>\n\n<li><strong>Hitzeformung oder thermomolding erforderlich?<\/strong><br>\n\u2192 Mittel- bis hohere Dichte mit mittlerem bis hohem Shore C verbessert die Kantenaufl\u00f6sung.<\/li>\n\n<li><strong>Au\u00dfenbereich oder maritimes Exponieren?<\/strong><br>\n\u2192 H\u00f6here Dichte und mittlerer bis hoher Shore C f\u00fcr Abriebfestigkeit und Traktion.<\/li>\n<\/ul>\n\n<h2>4. Anwendungsbasierter Spezifikationsbezug<\/h2>\n\n<ul>\n<li><strong>Fu\u00dfbekleidung:<\/strong> Niedrig bis mittlere Dichte, 20\u201335 Shore C f\u00fcr Komfort und Nachgiebigkeit<\/li>\n<li><strong>Marine:<\/strong> H\u00f6here Dichte, 60\u201365 Shore C f\u00fcr UV-Best\u00e4ndigkeit und rutschhemmende Eigenschaften<\/li>\n<li><strong>Cosplay &amp; Props:<\/strong> Mittel bis hoch Dichte, 45\u201370 Shore C f\u00fcr Hitzeformung und Haltbarkeit<\/li>\n<li><strong>Schutzverpackung:<\/strong> Niedrigdichte, 35\u201345 Shore C zur Sto\u00dfd\u00e4mpfung<\/li>\n<\/ul>\n\n<h2>5. H\u00e4ufig gestellte Fragen<\/h2>\n\n<div class=\"faq-section\">\n<span class=\"faq-q\">Q: K\u00f6nnen Dichte und H\u00e4rte unabh\u00e4ngig voneinander angepasst werden?<\/span>\n<p>\nJa. Durch Anpassung der Formulierung und des Ausdehnungsfaktors k\u00f6nnen spezifische Shore-H\u00e4rtegrade\ninnerhalb verschiedener Dichtebereiche erreicht werden, innerhalb praktischer Grenzen.\n<\/p>\n\n<span class=\"faq-q\">Q: Bieten Sie technische Datenbl\u00e4tter und Proben an?<\/span>\n<p>\nJa. Wir liefern Materialdatenbl\u00e4tter und physische Proben zur Validierung,\nwas f\u00fcr kritische Anwendungen stark empfohlen wird.\n<\/p>\n<\/div>\n\n<div class=\"cta-simple-box\">\n<h2>Ben\u00f6tigen Sie Unterst\u00fctzung durch ein Ingenieurteam f\u00fcr EVA-Schaum?<\/h2>\n<p>\nVerlangen Sie technische Datenbl\u00e4tter, Shore-H\u00e4rteproben oder spezifische Anwendungsempfehlungen\nvon unserem Materialteam.\n<\/p>\n<a href=\"https:\/\/shop.damao-tech.com\/de\/kontakt\/\" class=\"cta-btn\">Kontaktieren Sie uns f\u00fcr technischen Support<\/a>\n<\/div>\n\n<\/div>","protected":false},"excerpt":{"rendered":"<p>EVA Foam Density &#038; Hardness Guide: Shore A vs Shore C Explained Selecting the correct EVA foam is not simply a matter of softness or thickness. In industrial manufacturing, footwear development, marine applications, and protective packaging, density and Shore hardness directly affect durability, energy return, machinability, and service life. At Damao Tech, we manufacture EVA [&#8230;]\n","protected":false},"author":1,"featured_media":9471,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[624],"tags":[655,678,707,709,664,662],"class_list":["post-9468","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-eva-material","tag-custom-eva-foam","tag-eva-foam-density","tag-eva-foam-hardness","tag-eva-foam-performance","tag-eva-foam-rolls","tag-eva-foam-sheets"],"_links":{"self":[{"href":"https:\/\/shop.damao-tech.com\/de\/wp-json\/wp\/v2\/posts\/9468","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=9468"}],"version-history":[{"count":0,"href":"https:\/\/shop.damao-tech.com\/de\/wp-json\/wp\/v2\/posts\/9468\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/shop.damao-tech.com\/de\/wp-json\/wp\/v2\/media\/9471"}],"wp:attachment":[{"href":"https:\/\/shop.damao-tech.com\/de\/wp-json\/wp\/v2\/media?parent=9468"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/shop.damao-tech.com\/de\/wp-json\/wp\/v2\/categories?post=9468"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/shop.damao-tech.com\/de\/wp-json\/wp\/v2\/tags?post=9468"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}