{"id":4799,"date":"2020-02-20T16:40:40","date_gmt":"2020-02-20T16:40:40","guid":{"rendered":"https:\/\/nora-material.de\/?page_id=4799"},"modified":"2026-03-20T08:48:33","modified_gmt":"2026-03-20T08:48:33","slug":"know-how","status":"publish","type":"page","link":"https:\/\/nora-material.de\/en\/know-how\/","title":{"rendered":"Know-How"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row type=&#8221;2&#8243; margin_top=&#8221;-60&#8243; full_width_row=&#8221;true&#8221; css=&#8221;.vc_custom_1575039111695{margin-top: -50px !important;background-position: center !important;background-repeat: no-repeat !important;background-size: cover !important;}&#8221; min_height=&#8221;380&#8243;][vc_column]\n\t\t\t<!-- START KnowHow REVOLUTION SLIDER 6.7.35 --><p class=\"rs-p-wp-fix\"><\/p>\n\t\t\t<rs-module-wrap id=\"rev_slider_9_1_wrapper\" data-source=\"gallery\" style=\"visibility:hidden;background:transparent;padding:0;margin:0px 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data-lazyload=\"\/\/nora-material.de\/wp-content\/uploads\/2019\/11\/nora-systems_Leichtzellpresse.jpg\" data-parallax=\"off\" data-no-retina>\n<!---->\t\t\t\t\t<\/rs-slide>\n\t\t\t\t\t<\/rs-slides>\n\t\t\t\t<\/rs-module>\n\t\t\t\t<script>\n\t\t\t\t\tsetREVStartSize({c: 'rev_slider_9_1',rl:[1240,1024,778,480],el:[400,480,400,400],gw:[1240,1023,778,480],gh:[400,480,400,400],type:'standard',justify:'',layout:'fullwidth',mh:\"0\"});if (window.RS_MODULES!==undefined && window.RS_MODULES.modules!==undefined && window.RS_MODULES.modules[\"revslider91\"]!==undefined) {window.RS_MODULES.modules[\"revslider91\"].once = false;window.revapi9 = undefined;if (window.RS_MODULES.checkMinimal!==undefined) window.RS_MODULES.checkMinimal()}\n\t\t\t\t<\/script>\n\t\t\t<\/rs-module-wrap>\n\t\t\t<!-- END REVOLUTION SLIDER -->\n[\/vc_column][\/vc_row][vc_row margin_top=&#8221;50px&#8221; anchor=&#8221;Development&#8221; el_class=&#8221;position&#8221;][vc_column width=&#8221;1\/3&#8243;]<div id=\"ultimate-heading-25896a138bd8565c9\" class=\"uvc-heading ult-adjust-bottom-margin ultimate-heading-25896a138bd8565c9 uvc-9399 \" data-hspacer=\"no_spacer\"  data-halign=\"left\" style=\"text-align:left\"><div class=\"uvc-heading-spacer no_spacer\" style=\"top\"><\/div><div class=\"uvc-main-heading ult-responsive\"  data-ultimate-target='.uvc-heading.ultimate-heading-25896a138bd8565c9 h1'  data-responsive-json-new='{\"font-size\":\"desktop:36px;\",\"line-height\":\"\"}' ><h1 style=\"--font-weight:theme;\">More than 80 years of know-how, experience in the development and production of innovative materials \u2026<\/h1><\/div><\/div><style type=\"text\/css\" data-type=\"the7_shortcodes-inline-css\">.shortcode-single-image-wrap.shortcode-single-image-1469e700ae8fae7592d964751777b9db.enable-bg-rollover .rollover i,\n.shortcode-single-image-wrap.shortcode-single-image-1469e700ae8fae7592d964751777b9db.enable-bg-rollover .rollover-video i {\n  background: -webkit-linear-gradient();\n  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decoding=\"async\" class=\"preload-me lazy-load aspect\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D&#39;http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg&#39;%20viewBox%3D&#39;0%200%201134%201514&#39;%2F%3E\" data-src=\"https:\/\/nora-material.de\/wp-content\/uploads\/2025\/03\/2023_Lunatec_combi_Stapel_WEB_1134x1514px.png\" data-srcset=\"https:\/\/nora-material.de\/wp-content\/uploads\/2025\/03\/2023_Lunatec_combi_Stapel_WEB_1134x1514px.png 1134w\" loading=\"eager\" sizes=\"(max-width: 1134px) 100vw, 1134px\" width=\"1134\" height=\"1514\"  data-dt-location=\"https:\/\/nora-material.de\/en\/know-how\/attachment\/2023_lunatec_combi_stapel_web_1134x1514px-2\/\" style=\"--ratio: 1134 \/ 1514;\" alt=\"\" \/><\/div><\/div><\/div>[\/vc_column][vc_column width=&#8221;1\/3&#8243;]<style type=\"text\/css\" data-type=\"the7_shortcodes-inline-css\">.shortcode-single-image-wrap.shortcode-single-image-1e8c5e7f3a2fefcdac0bca41feb947d1.enable-bg-rollover .rollover i,\n.shortcode-single-image-wrap.shortcode-single-image-1e8c5e7f3a2fefcdac0bca41feb947d1.enable-bg-rollover .rollover-video i {\n  background: -webkit-linear-gradient();\n  background: linear-gradient();\n}\n.shortcode-single-image-wrap.shortcode-single-image-1e8c5e7f3a2fefcdac0bca41feb947d1 .rollover-icon {\n  font-size: 32px;\n  color: #ffffff;\n  min-width: 44px;\n  min-height: 44px;\n  line-height: 44px;\n  border-radius: 100px;\n  border-style: solid;\n  border-width: 0px;\n}\n.dt-icon-bg-on.shortcode-single-image-wrap.shortcode-single-image-1e8c5e7f3a2fefcdac0bca41feb947d1 .rollover-icon {\n  background: rgba(255,255,255,0.3);\n  box-shadow: none;\n}\n<\/style><div class=\"shortcode-single-image-wrap shortcode-single-image-1e8c5e7f3a2fefcdac0bca41feb947d1 alignnone  enable-bg-rollover dt-icon-bg-off\" style=\"margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; width:500px;\"><div class=\"shortcode-single-image\"><div class=\"fancy-media-wrap  layzr-bg\" style=\"\"><img decoding=\"async\" class=\"preload-me lazy-load aspect\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D&#39;http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg&#39;%20viewBox%3D&#39;0%200%20500%20333&#39;%2F%3E\" data-src=\"https:\/\/nora-material.de\/wp-content\/uploads\/2019\/09\/nora-systems_rohstoffe_1_1000x666-500x333.jpg\" data-srcset=\"https:\/\/nora-material.de\/wp-content\/uploads\/2019\/09\/nora-systems_rohstoffe_1_1000x666-500x333.jpg 500w, https:\/\/nora-material.de\/wp-content\/uploads\/2019\/09\/nora-systems_rohstoffe_1_1000x666.jpg 1000w\" loading=\"eager\" sizes=\"(max-width: 500px) 100vw, 500px\" width=\"500\" height=\"333\"  data-dt-location=\"https:\/\/nora-material.de\/en\/nora-systems_rohstoffe_1_1000x666\/\" style=\"--ratio: 500 \/ 333;\" alt=\"Kautschuk ist ein wichtiger Rohstoff zur Herstellung von nora Materialien\" \/><\/div><\/div><\/div>[vc_empty_space height=&#8221;15&#8243;][vc_column_text]For more than 80 years now, nora at its Weinheim location has been producing materials for both shoe components and other industrial applications. The complexity of the <strong>materials EVA<\/strong> and <strong>rubber<\/strong>, and the specific requirements that our employees\u2019 know-how must fulfil, provide the basis for <strong>high-grade, innovative materials of the highest quality<\/strong>.[\/vc_column_text][vc_empty_space height=&#8221;20&#8243;][vc_custom_heading text=&#8221;Together with professionals&#8221; use_theme_fonts=&#8221;yes&#8221; css=&#8221;.vc_custom_1582109623375{margin-top: -10px !important;}&#8221;][vc_column_text]In collaboration with experienced technicians and craftsmen in the sector, we work on new developments in materials. This has given rise, for example, to the innovative EVA material <strong>Lunatec motion<\/strong>, which absorbs <strong>shearing forces<\/strong>.[\/vc_column_text][vc_empty_space height=&#8221;20&#8243;][vc_custom_heading text=&#8221;Innovative EVA materials&#8221; use_theme_fonts=&#8221;yes&#8221; css=&#8221;.vc_custom_1581431708516{margin-top: -10px !important;}&#8221;][vc_column_text]One of the <strong>milestones<\/strong> in 2004 was the first vulcanised composite EVA <strong>Lunatec combi<\/strong>, which simplify the sandwich technique. An extensive range of multi-ply composite materials has been growing since then. The benefits are obvious: the manufacturing process bonds the customary material combinations, which can then be used for a great many applications.<\/p>\n<p>Our <a href=\"https:\/\/www.youtube.com\/norashoecomponents\" target=\"_blank\" rel=\"noopener noreferrer\">videos<\/a> present more about our innovative <a href=\"https:\/\/nora-material.de\/en\/products\/\">products<\/a> and know-how about working with them.[\/vc_column_text][\/vc_column][vc_column width=&#8221;1\/3&#8243;][vc_custom_heading text=&#8221;Own development department&#8221; use_theme_fonts=&#8221;yes&#8221; css=&#8221;.vc_custom_1582109681060{margin-top: -10px !important;}&#8221;][vc_column_text]Since the very outset, it has always been our goal above all to develop innovative <a href=\"https:\/\/nora-material.de\/en\/products\/\">materials<\/a> that simplify everyday work for the craftsman and offer the industry custom solutions. Materials that promise stability and safety to both technicians and patients alike. To create products that in turn give rise to new <strong>special properties<\/strong> and so <strong>innovative solutions<\/strong>. That is why we have a competent development department at our production site in Weinheim.[\/vc_column_text][vc_empty_space height=&#8221;15&#8243;]<style type=\"text\/css\" data-type=\"the7_shortcodes-inline-css\">.shortcode-single-image-wrap.shortcode-single-image-9017c43a95329d8e45e2a6814ec8f444.enable-bg-rollover .rollover i,\n.shortcode-single-image-wrap.shortcode-single-image-9017c43a95329d8e45e2a6814ec8f444.enable-bg-rollover .rollover-video i {\n  background: -webkit-linear-gradient();\n  background: linear-gradient();\n}\n.shortcode-single-image-wrap.shortcode-single-image-9017c43a95329d8e45e2a6814ec8f444 .rollover-icon {\n  font-size: 32px;\n  color: #ffffff;\n  min-width: 44px;\n  min-height: 44px;\n  line-height: 44px;\n  border-radius: 100px;\n  border-style: solid;\n  border-width: 0px;\n}\n.dt-icon-bg-on.shortcode-single-image-wrap.shortcode-single-image-9017c43a95329d8e45e2a6814ec8f444 .rollover-icon {\n  background: rgba(255,255,255,0.3);\n  box-shadow: none;\n}\n<\/style><div class=\"shortcode-single-image-wrap shortcode-single-image-9017c43a95329d8e45e2a6814ec8f444 alignnone  vc_custom_1579694123169 enable-bg-rollover dt-icon-bg-off\" ><div class=\"shortcode-single-image\"><div class=\"fancy-media-wrap  layzr-bg\" style=\"\"><img decoding=\"async\" class=\"preload-me lazy-load aspect\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D&#39;http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg&#39;%20viewBox%3D&#39;0%200%20500%20333&#39;%2F%3E\" data-src=\"https:\/\/nora-material.de\/wp-content\/uploads\/2019\/09\/nora-systems_rohstoffe_2_1000x666-500x333.jpg\" data-srcset=\"https:\/\/nora-material.de\/wp-content\/uploads\/2019\/09\/nora-systems_rohstoffe_2_1000x666-500x333.jpg 500w, https:\/\/nora-material.de\/wp-content\/uploads\/2019\/09\/nora-systems_rohstoffe_2_1000x666.jpg 1000w\" loading=\"eager\" sizes=\"(max-width: 500px) 100vw, 500px\" width=\"500\" height=\"333\"  data-dt-location=\"https:\/\/nora-material.de\/en\/nora-systems_rohstoffe_2_1000x666\/\" style=\"--ratio: 500 \/ 333;\" alt=\"F\u00fcllstoffe und Farbpigmente sind Bestandteile von nora Materialien\" \/><\/div><\/div><\/div>[vc_empty_space height=&#8221;55&#8243;][vc_column_text]<q class=\"h6-size shortcode-pullquote wf-cell align-right wf-1\"><p>The challenge posed by this production process is the <strong>combination of materials<\/strong><em><strong> with differing <\/strong><\/em><strong>densities and hardnesses<\/strong>. Taking control of the behaviour that differing qualities demonstrate in this sensitive production process means years of experience and know-how.<\/p>\n<\/q>[\/vc_column_text][\/vc_column][\/vc_row][vc_row margin_top=&#8221;50px&#8221;][vc_column][\/vc_column][vc_column][\/vc_column][\/vc_row][vc_row type=&#8221;vc_default&#8221; bg_type=&#8221;bg_color&#8221; bg_override=&#8221;ex-full&#8221; bg_color_value=&#8221;#baae91&#8243;][vc_column width=&#8221;1\/2&#8243;][vc_empty_space][vc_video link=&#8221;https:\/\/www.youtube.com\/watch?v=jI6fGfhflqw&amp;t=11s&#8221; el_width=&#8221;90&#8243;][vc_empty_space][\/vc_column][vc_column width=&#8221;1\/2&#8243;][vc_empty_space][vc_video link=&#8221;https:\/\/www.youtube.com\/watch?v=FV7FRhwGfHo&#8221; el_width=&#8221;90&#8243; align=&#8221;right&#8221;][vc_empty_space][\/vc_column][\/vc_row][vc_row anchor=&#8221;#verarbeitung&#8221; el_class=&#8221;position&#8221;][vc_column][vc_empty_space height=&#8221;50px&#8221;][\/vc_column][\/vc_row][vc_row anchor=&#8221;&#8220;#!\/Processing tips&#8220;&#8221; el_class=&#8221;position&#8221;][vc_column][vc_custom_heading text=&#8221;Processing tips and know-how for optimal results&#8221; use_theme_fonts=&#8221;yes&#8221;][vc_column_text]The best material quality is worth nothing when the material itself is not processed to optimal effect. <strong>nora\u00ae EVA materials<\/strong> are high-grade <a href=\"https:\/\/nora-material.de\/en\/products\/\">products<\/a> consisting of a highly homogeneous and stable cell structure. The desired results can be achieved only when the material is uniformly heated, the recommended temperature is not exceeded, and the cooling times in the mould are observed. This is of particular importance for the thicker <strong>Lunatec combi<\/strong> sheets (vulcanised composite EVA).[\/vc_column_text][vc_empty_space][\/vc_column][\/vc_row][vc_row][vc_column width=&#8221;1\/3&#8243;][vc_single_image image=&#8221;2108&#8243; img_size=&#8221;500&#215;300&#8243; style=&#8221;vc_box_rounded&#8221; css=&#8221;.vc_custom_1582110311553{border-top-width: 20px !important;}&#8221; title=&#8221;Thermoplastic moulding&#8221;][vc_column_text css=&#8221;.vc_custom_1581433437828{margin-top: 20px !important;}&#8221;]For successful bonding and thermoplastic moulding, correct heating of EVA materials is decisive. <strong>Closed heat sources<\/strong>, such as an oven, are always preferable. So an oven should always be chosen over a one-sided warming on a stovetop. <strong>Temperature setting: 130\u00b0C | 260\u00b0F.\u00a0<\/strong><\/p>\n<p>At this setting the material reaches a consistent <strong>optimal temperature of 110-130\u00b0 C | 230-260\u00b0F, <\/strong>which varies due to material thickness and density.<\/p>\n<p>Make sure to comply with sufficient cooling times for EVA materials during the heat moulding process.<br \/>\nA rule of thumb suggests:<strong> Heating time x factor 2 = optimal cooling time<\/strong><\/p>\n<p>[\/vc_column_text]<style type=\"text\/css\" data-type=\"the7_shortcodes-inline-css\">#default-btn-b8615204cfee1ba7615e65542b115669.ico-right-side > i {\n  margin-right: 0px;\n  margin-left: 8px;\n}\n#default-btn-b8615204cfee1ba7615e65542b115669 > i {\n  margin-right: 8px;\n}\n<\/style><a href=\"https:\/\/www.nora-material.de\/wp-content\/uploads\/2020\/02\/nora_heating_cooling_EN.pdf\" class=\"default-btn-shortcode dt-btn dt-btn-m link-hover-off btn-inline-left  vc_custom_1742389638945\" target=\"_blank\" id=\"default-btn-b8615204cfee1ba7615e65542b115669\" style=\"width:250px;\" title=\"heating and cooling times for composite sheets Lunatec combi\" rel=\"noopener\"><i class=\"Defaults-file-pdf-o\"><\/i><span>Heating and cooling times<\/span><\/a>[\/vc_column][vc_column width=&#8221;1\/3&#8243;][vc_single_image image=&#8221;3507&#8243; img_size=&#8221;500&#215;300&#8243; style=&#8221;vc_box_rounded&#8221; css=&#8221;.vc_custom_1582110326951{border-top-width: 20px !important;}&#8221; title=&#8221;Bonding&#8221;][vc_column_text css=&#8221;.vc_custom_1597910847608{margin-top: 20px !important;}&#8221;]For ideal permanent bonding, both of the materials to be bonded should be <strong>quickly ground or sanded<\/strong>.<\/p>\n<p>Then apply a thin layer of adhesive and <strong>allow for drying<\/strong> until there are no visible wet spots anymore. Subsequently, bring the materials together under slight pressure and then press. For the processing of EVA materials adhesives are generally suitable that are based on <strong>polychloroprene<\/strong>.<\/p>\n<p>For soft and light materials, such as <strong>Lunairmed<\/strong> and <strong>Lunairflex<\/strong>, please adapt the pressure in order to avoid compression of the materials, which would impair restoration capability. Find more tips in our <a href=\"https:\/\/nora-material.de\/en\/products\/#Applicationexamples\">application examples.<\/a>[\/vc_column_text][\/vc_column][vc_column width=&#8221;1\/3&#8243;][vc_single_image image=&#8221;2111&#8243; img_size=&#8221;500&#215;300&#8243; style=&#8221;vc_box_rounded&#8221; css=&#8221;.vc_custom_1582110340740{border-top-width: 20px !important;}&#8221; title=&#8221;Grinding&#8221;][vc_column_text css=&#8221;.vc_custom_1581435793328{margin-top: 20px !important;}&#8221;]The materials are generally <strong>very easy to grind<\/strong>. The choice of grit should be determined by the softness and elasticity of the material.<\/p>\n<p>We recommend to start grinding with a coarser grit (e.g. granulation 24) before moving on to a finer grit (e.g. granulation 80), to grind insoles or moulded parts to shape.<\/p>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_empty_space height=&#8221;50px&#8221;][\/vc_column][\/vc_row][vc_row type=&#8221;vc_default&#8221; margin_top=&#8221;0&#8243; margin_bottom=&#8221;-50&#8243; bg_type=&#8221;bg_color&#8221; bg_override=&#8221;ex-full&#8221; css=&#8221;.vc_custom_1578576450404{padding-top: 70px !important;padding-bottom: 20px !important;}&#8221; bg_color_value=&#8221;#f4f4f4&#8243; el_id=&#8221;FAQ&#8221; el_class=&#8221;position&#8221;][vc_column offset=&#8221;vc_col-lg-6 vc_col-md-6 vc_col-xs-12&#8243; css=&#8221;.vc_custom_1491744097814{padding-bottom: 50px !important;}&#8221;]<div id=\"ultimate-heading-676a138bd859d7a\" class=\"uvc-heading ult-adjust-bottom-margin ultimate-heading-676a138bd859d7a uvc-2461 \" data-hspacer=\"no_spacer\"  data-halign=\"left\" style=\"text-align:left\"><div class=\"uvc-heading-spacer no_spacer\" style=\"top\"><\/div><div class=\"uvc-main-heading ult-responsive\"  data-ultimate-target='.uvc-heading.ultimate-heading-676a138bd859d7a h2'  data-responsive-json-new='{\"font-size\":\"desktop:34px;\",\"line-height\":\"desktop:44px;\"}' ><h2 style=\"font-weight:bold;margin-bottom:25px;\">Frequently Asked Questions (FAQ's)<\/h2><\/div><\/div>[vc_accordion active_tab=&#8221;false&#8221; collapsible=&#8221;yes&#8221; title_size=&#8221;h5&#8243; style=&#8221;3&#8243;][vc_accordion_tab title=&#8221;What does EVA stand for?&#8221;][vc_column_text]EVA stands for the synthetic material ethylene-vinyl-acetate and is a highly valuable raw material, which is used in granulate form in the production of nora\u00ae products.[\/vc_column_text][\/vc_accordion_tab][vc_accordion_tab title=&#8221;Do expanded rubber sheets contain latex?&#8221;][vc_column_text]No, the expanded rubber sheets from nora\u00ae do not contain any latex proteins that might cause allergic reactions for patients.[\/vc_column_text][\/vc_accordion_tab][vc_accordion_tab title=&#8221;What are composite sheets?&#8221;][vc_column_text]Composite sheets, vulcanised composite EVA or combi sheets, are compositions of proven nora materials, which means that two or three different nora materials are vulcanised together already during the manufacturing process. As the first manufacturer in the industry we have started with this kind of production method more than 15 years ago, combining the most common material combinations with each other. This is particularly interesting for foot beddings that require a sandwich build up, like the diabetes-adapted footbed. The composite sheets save certain labour steps for the build up with the multilayer sandwich-technique.[\/vc_column_text][\/vc_accordion_tab][vc_accordion_tab title=&#8221;What&#8217;s the benefit of composite sheets vs. single materials?&#8221;][vc_column_text]The use of vulcanised composite EVA sheets is more efficient, because it saves time and money. Two different materials are already bonded together so that no further bonding is necessary. This eliminates the risk of the different materials shifting as they are worked or of bubbles forming at the joint. In addition, there is no hardening due to a bonding layer, and there is greater retention of volume, because no deep drawing is needed.[\/vc_column_text][\/vc_accordion_tab][vc_accordion_tab title=&#8221;Which temperature is ideal for warming a Lunatec combi sheet?&#8221;][vc_column_text]The oven should be set to a temperature of 130\u00b0C | 260\u00b0F. At this setting, the material consistently reaches an optimal temperature of 110-130\u00b0 C | 230-260\u00b0F. Please note the different activation times for Lunatec combi sheets! We would be happy to provide you with tested heating and cooling times.[\/vc_column_text][\/vc_accordion_tab][vc_accordion_tab title=&#8221;How long must the material cool after heat moulding on the last?&#8221;][vc_column_text]For the cooling time the recommended rule of thumb is: activation time x factor 2 = optimal cooling time. Through the use of vacuum deep drawing equipment with a cooling system, the cooling process can be accelerated. Note: If the cooling time is too short, formed materials can pull away from the last.[\/vc_column_text][\/vc_accordion_tab][vc_accordion_tab title=&#8221;Is it possible to clean an insole with off-the-shelf disinfectant?&#8221;][vc_column_text]Yes. The disinfectability of contaminated footbeds and inserts with a commercially available disinfectant has been verified regularly by the PFI laboratory conducting extensive microbiological tests with precisely defined quantities of bacteria and fungi. Disinfection is successful only on materials with closed cellular structures. Unlike foams with open cellular structures, closed cell surfaces are impenetrable to wound secretions, bacteria, and fungi, which can then be removed with ease. For a cleaning recommendation guideline, please go to our downloads section.[\/vc_column_text][\/vc_accordion_tab][vc_accordion_tab title=&#8221;Are there any products that are particularly sustainable?&#8221;][vc_column_text]The products in the Lunatur Walnut range consist for a large part of finely ground walnut shells.\u00a0The goal of this development was to make practical use of a natural waste product and refine the EVA material with a valuable natural resource.[\/vc_column_text][\/vc_accordion_tab][vc_accordion_tab title=&#8221;What does the SG label mean?&#8221;][vc_column_text]The SG label is awarded by approved test institutes after intense material analyses. This test mark confirms that, according to current knowledge, there are no risks to the health of dealers, processors, or patients. It entitles the test institute to take samples at any time from ongoing production and does not constitute a once only test. nora\u00ae products are never only tested, but certified. A simple test report does not confirm compliance with the SG mark.[\/vc_column_text][\/vc_accordion_tab][vc_accordion_tab title=&#8221;What is the nora\u00ae Test ESD sole material for EN 1815 and ISO 6356?&#8221;][vc_column_text css=&#8221;&#8221;]<strong>nora\u00ae Test ESD<\/strong> (EN 1815 &amp; ISO 6356) is a material used to determine the electrostatic chargeability of flooring when walked upon. It is a standardized rubber soling material (EPDM) that was specifically developed for conducting tests in accordance with <strong>EN 1815 and ISO 6356<\/strong>. The material is used to manufacture test shoes for independent walking tests and enables the reproducible measurement of the electrostatic charge of floor coverings in accordance with the requirements of the aforementioned standards. The <a href=\"http:\/\/nora-material.de\/wp-content\/uploads\/2026\/03\/Datasheet_nora_Test_ESD.pdf\" target=\"_blank\" rel=\"noopener\">product data sheet<\/a> contains further specifications.<\/p>\n<p>[\/vc_column_text][\/vc_accordion_tab][vc_accordion_tab title=&#8221;Have your materials been tested for skin compatibility?&#8221;][vc_column_text]Since 1988, nora\u00ae materials have been regularly tested for skin compatibility, previously from Institute Fresenius and now from the renowned institute Dermatest.<br \/>\nThe dermatological tests are performed on human skin. Through the patch test the material is tested by applying small patches of the material to the skin and after 24, 48 and 72 hours the skin is dermatologically examined.Dermatest describes this test as follows: <em>\u201cThe patch test shows any primary irritation or contact dermatitis (by provoking allergic skin reactions in sensitised volunteers). <\/em><em>The test substances are applied most of the time occlusively to the skin, i.e. under closed conditions, in appropriate concentrations.\u201d\u00a0<\/em>[\/vc_column_text][\/vc_accordion_tab][vc_accordion_tab title=&#8221;Can I receive a REACH Certifiate from you?&#8221;][vc_column_text]All products from nora systems GmbH comply with the regulation (EG) No. 1907\/ 2006 (REACH), as it is the applicable law. As it is our knowledge, they do not contain any of the substances of the candidate list (SVHC, cited 07.09.2018) in a concentration of over 0,1 %. We are happy to send you certificates in regards to this topic, of our products that are tested and certified. When it comes to REACH &#8211; it is a certification under international standards which is just as much a matter of course as adherence to the pertinent legislation, and therefore followed unquestioningly and without exception![\/vc_column_text][\/vc_accordion_tab][vc_accordion_tab title=&#8221;Do nora\u00ae materials have a CE label?&#8221;][vc_column_text]With the CE labelling of products, the complete conformity with the legal regulations is documented, e.g. those of the <a href=\"https:\/\/nora-material.de\/en\/produkte-en\/mdr-regulation\/\" target=\"_blank\" rel=\"noopener\">Medical Devices Ordinance<\/a>\u00a0(MDR).\u00a0It guarantees the free movement of goods and services in the European internal market.\u00a0This concerns, for instance, over the counter medical products with a defined function. Individual custom-made products are not affected, as they are not freely available in the marketplace but made for the individual person.<\/p>\n<p>Since nora<sup>\u00ae <\/sup><strong>materials<\/strong> are used in medical products, but are not declared as such, CE marking is\u00a0<strong>not relevant<\/strong>\u00a0or required.\u00a0All\u00a0<a href=\"https:\/\/nora-material.de\/en\/produkte-en\/mdr-regulation\/\" target=\"_blank\" rel=\"noopener\">requirements of the MDR<\/a>\u00a0relevant to materials\u00a0are met by nora<sup>\u00ae\u00a0<\/sup><a href=\"https:\/\/nora-material.de\/wp-content\/uploads\/epaper\/epaper-nora_product_catalog_engl\/#0\">materials<\/a>. Owing to their properties, nora<sup>\u00ae<\/sup>\u00a0materials are suitable for the processing of Class 1 medical products.\u00a0[\/vc_column_text][\/vc_accordion_tab][vc_accordion_tab title=&#8221;When nora\u00ae products are used, is it possible to track and trace them?&#8221;][vc_column_text]Yes, the batch numbers printed on the material ensure the necessary reliability for your quality management. The batch number can be used to reproduce the history of product manufacture at any time.[\/vc_column_text][\/vc_accordion_tab][vc_accordion_tab title=&#8221;Is it true that CONTITECH belongs to nora\u00ae?&#8221;][vc_column_text]In 2001 the repair materials of the brand CONTITECH found a new home in the nora shoe component product range. Regarding the proven quality of CONTITECH heel and outsole materials, nothing has changed. Since then, the items have been integrated into the nora product range and are managed under the brand nora\u00ae.[\/vc_column_text][\/vc_accordion_tab][vc_accordion_tab title=&#8221;If the last is rough, the unevenness always shows up in the material, how can I prevent this?&#8221;][vc_column_text]For rough lasts, it is recommended to use a test-shoe-foil on the last, which evens out the roughness, making the surface of the material smoother.<\/p>\n<p>[\/vc_column_text][\/vc_accordion_tab][vc_accordion_tab title=&#8221;Where do I find safety data sheets (SDS)?&#8221;][vc_column_text]Safety data sheets are generally only necessary for chemicals and chemical substances. nora\u00ae materials are products that legally <strong>do not require safety data sheets<\/strong>. We are happy to provide safety information sheets for you.[\/vc_column_text][\/vc_accordion_tab][\/vc_accordion][\/vc_column][vc_column offset=&#8221;vc_col-lg-6 vc_col-md-6 vc_col-xs-12&#8243; css=&#8221;.vc_custom_1491744105105{padding-bottom: 50px !important;}&#8221;]<div id=\"ultimate-heading-43796a138bd859de5\" class=\"uvc-heading ult-adjust-bottom-margin ultimate-heading-43796a138bd859de5 uvc-9640 \" data-hspacer=\"no_spacer\"  data-halign=\"left\" style=\"text-align:left\"><div class=\"uvc-heading-spacer no_spacer\" style=\"top\"><\/div><div class=\"uvc-main-heading ult-responsive\"  data-ultimate-target='.uvc-heading.ultimate-heading-43796a138bd859de5 h2'  data-responsive-json-new='{\"font-size\":\"desktop:34px;\",\"line-height\":\"desktop:44px;\"}' ><h2 style=\"font-weight:bold;margin-bottom:25px;\">Your question hasn't been answered?<\/h2><\/div><\/div>[vc_column_text css=&#8221;.vc_custom_1581436099759{padding-bottom: 35px !important;}&#8221;]If that still does not answer your question, simply fill out the form below and we will get back to you as soon as we can.[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row type=&#8221;2&#8243; margin_top=&#8221;-60&#8243; full_width_row=&#8221;true&#8221; css=&#8221;.vc_custom_1575039111695{margin-top: -50px !important;background-position: center !important;background-repeat: no-repeat !important;background-size: cover !important;}&#8221; min_height=&#8221;380&#8243;][vc_column][\/vc_column][\/vc_row][vc_row margin_top=&#8221;50px&#8221; anchor=&#8221;Development&#8221; el_class=&#8221;position&#8221;][vc_column width=&#8221;1\/3&#8243;][vc_empty_space height=&#8221;50px&#8221;][\/vc_column][vc_column width=&#8221;1\/3&#8243;][vc_empty_space height=&#8221;15&#8243;][vc_column_text]For more than 80 years now, nora at its Weinheim location has been producing materials for both shoe components and other industrial applications. The complexity of the materials EVA and rubber, and the specific requirements&hellip;<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":30,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-4799","page","type-page","status-publish","hentry","description-off"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Know-how about EVA foam &amp; rubber sheets |nora\u00ae Material | nora systems<\/title>\n<meta name=\"description\" content=\"Know-how for nora systems is longtime experience in development &amp; production of innovative materials. 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