{"id":5878,"date":"2025-01-15T17:49:12","date_gmt":"2025-01-15T09:49:12","guid":{"rendered":"https:\/\/urexceed.com\/?p=5878"},"modified":"2025-01-15T18:09:20","modified_gmt":"2025-01-15T10:09:20","slug":"why-choose-polyurethane-in-mining-industry","status":"publish","type":"post","link":"https:\/\/urexceed.com\/ru\/why-choose-polyurethane-in-mining-industry\/","title":{"rendered":"\u041f\u043e\u0447\u0435\u043c\u0443 \u0441\u0442\u043e\u0438\u0442 \u0432\u044b\u0431\u0440\u0430\u0442\u044c \u043f\u043e\u043b\u0438\u0443\u0440\u0435\u0442\u0430\u043d \u0432 \u0433\u043e\u0440\u043d\u043e\u0434\u043e\u0431\u044b\u0432\u0430\u044e\u0449\u0435\u0439 \u043f\u0440\u043e\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u043e\u0441\u0442\u0438"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"5878\" class=\"elementor elementor-5878\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-9639df5 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9639df5\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-0b0b7da\" data-id=\"0b0b7da\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2cb04bc elementor-widget elementor-widget-text-editor\" data-id=\"2cb04bc\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>In the mining industry, materials need to withstand harsh conditions, including high abrasion, chemical exposure, extreme temperatures, and heavy loads. Polyurethane (PU) is commonly used in mining applications due to its durability, wear resistance, and versatility. However, it is important to compare it with other materials commonly used in the mining industry, such as rubber, steel, polyethylene (PE), and composite materials, to understand their respective advantages and disadvantages.<\/p><h4><strong>\u0421\u0440\u0430\u0432\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u0430\u044f \u0442\u0430\u0431\u043b\u0438\u0446\u0430 \u043c\u0430\u0442\u0435\u0440\u0438\u0430\u043b\u043e\u0432:<\/strong><\/h4><table><thead><tr><th><strong>\u0421\u0432\u043e\u0439\u0441\u0442\u0432\u043e<\/strong><\/th><th><strong>\u041f\u043e\u043b\u0438\u0443\u0440\u0435\u0442\u0430\u043d (\u041f\u0423)<\/strong><\/th><th><strong>\u0420\u0435\u0437\u0438\u043d\u0430<\/strong><\/th><th><strong>\u0421\u0442\u0430\u043b\u044c<\/strong><\/th><th><strong>\u041f\u043e\u043b\u0438\u044d\u0442\u0438\u043b\u0435\u043d (\u041f\u042d)<\/strong><\/th><th><strong>\u041a\u043e\u043c\u043f\u043e\u0437\u0438\u0442\u043d\u044b\u0435 \u041c\u0430\u0442\u0435\u0440\u0438\u0430\u043b\u044b<\/strong><\/th><\/tr><\/thead><tbody><tr><td><strong>\u041f\u043b\u043e\u0442\u043d\u043e\u0441\u0442\u044c (\u0433\/\u0441\u043c\u00b3)<\/strong><\/td><td>1.1 \u2013 1.3<\/td><td>1.1 \u2013 1.4<\/td><td>7.8 \u2013 8.1<\/td><td>0,91 \u2013 0,96<\/td><td>1.3 \u2013 2.0<\/td><\/tr><tr><td><strong>\u041f\u0440\u043e\u0447\u043d\u043e\u0441\u0442\u044c \u043d\u0430 \u0440\u0430\u0441\u0442\u044f\u0436\u0435\u043d\u0438\u0435 (\u041c\u041f\u0430)<\/strong><\/td><td>40 \u2013 50<\/td><td>10 \u2013 25<\/td><td>250 \u2013 1000<\/td><td>25 \u2013 50<\/td><td>100 \u2013 200<\/td><\/tr><tr><td><strong>\u0423\u0434\u043b\u0438\u043d\u0435\u043d\u0438\u0435 \u043f\u0440\u0438 \u0440\u0430\u0437\u0440\u044b\u0432\u0435 (%)<\/strong><\/td><td>500 \u2013 800%<\/td><td>300 \u2013 500%<\/td><td>10 \u2013 25%<\/td><td>300 \u2013 800%<\/td><td>5 \u2013 101\u0422\u04203\u0422<\/td><\/tr><tr><td><strong>\u0422\u0432\u0451\u0440\u0434\u043e\u0441\u0442\u044c (\u0428\u043e\u0440 \u0410)<\/strong><\/td><td>60 \u2013 95<\/td><td>30 \u2013 90<\/td><td>\u041d\/\u0414<\/td><td>60 \u2013 80<\/td><td>\u041d\/\u0414<\/td><\/tr><tr><td><strong>\u0421\u0442\u043e\u0439\u043a\u043e\u0441\u0442\u044c \u043a \u0438\u0441\u0442\u0438\u0440\u0430\u043d\u0438\u044e<\/strong><\/td><td>\u041e\u0442\u043b\u0438\u0447\u043d\u044b\u0439<\/td><td>\u041e\u0442 \u0445\u043e\u0440\u043e\u0448\u0435\u0433\u043e \u0434\u043e \u043e\u0442\u043b\u0438\u0447\u043d\u043e\u0433\u043e (\u0432 \u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e\u0441\u0442\u0438 \u043e\u0442 \u0442\u0438\u043f\u0430)<\/td><td>\u041d\u0438\u0437\u043a\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c (\u0435\u0441\u043b\u0438 \u043d\u0435 \u043f\u043e\u043a\u0440\u044b\u0442 \u0437\u0430\u0449\u0438\u0442\u043d\u044b\u043c \u0441\u043b\u043e\u0435\u043c)<\/td><td>\u0423\u043c\u0435\u0440\u0435\u043d\u043d\u044b\u0439<\/td><td>\u041e\u0442\u043b\u0438\u0447\u043d\u044b\u0439<\/td><\/tr><tr><td><strong>\u0423\u0434\u0430\u0440\u043e\u043f\u0440\u043e\u0447\u043d\u043e\u0441\u0442\u044c<\/strong><\/td><td>\u0412\u044b\u0441\u043e\u043a\u0438\u0439, \u043e\u0442\u043b\u0438\u0447\u043d\u044b\u0439 \u043e\u0442\u0441\u043a\u043e\u043a<\/td><td>\u041e\u0442 \u0443\u043c\u0435\u0440\u0435\u043d\u043d\u043e\u0433\u043e \u0434\u043e \u0432\u044b\u0441\u043e\u043a\u043e\u0433\u043e<\/td><td>\u041e\u0447\u0435\u043d\u044c \u043d\u0438\u0437\u043a\u0438\u0439 (\u043c\u043e\u0436\u0435\u0442 \u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u0442\u044c \u0432\u043c\u044f\u0442\u0438\u043d\u0443 \u0438\u043b\u0438 \u0442\u0440\u0435\u0449\u0438\u043d\u0443)<\/td><td>\u041d\u0438\u0437\u043a\u0438\u0439<\/td><td>\u0412\u044b\u0441\u043e\u043a\u0438\u0439<\/td><\/tr><tr><td><strong>\u0425\u0438\u043c\u0438\u0447\u0435\u0441\u043a\u0430\u044f \u0441\u0442\u043e\u0439\u043a\u043e\u0441\u0442\u044c<\/strong><\/td><td>\u041f\u0440\u0435\u0432\u043e\u0441\u0445\u043e\u0434\u043d\u0430\u044f \u0443\u0441\u0442\u043e\u0439\u0447\u0438\u0432\u043e\u0441\u0442\u044c \u043a \u043c\u0430\u0441\u043b\u0430\u043c, \u043a\u0438\u0441\u043b\u043e\u0442\u0430\u043c \u0438 \u0440\u0430\u0441\u0442\u0432\u043e\u0440\u0438\u0442\u0435\u043b\u044f\u043c.<\/td><td>\u041e\u0442 \u043f\u043b\u043e\u0445\u043e\u0433\u043e \u0434\u043e \u0445\u043e\u0440\u043e\u0448\u0435\u0433\u043e (\u0437\u0430\u0432\u0438\u0441\u0438\u0442 \u043e\u0442 \u0442\u0438\u043f\u0430)<\/td><td>\u041e\u0442\u043b\u0438\u0447\u043d\u043e\u0435 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u043e, \u0443\u0441\u0442\u043e\u0439\u0447\u0438\u0432\u043e\u0441\u0442\u044c \u043a \u0431\u043e\u043b\u044c\u0448\u0438\u043d\u0441\u0442\u0432\u0443 \u0445\u0438\u043c\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0432\u0435\u0449\u0435\u0441\u0442\u0432.<\/td><td>\u0425\u043e\u0440\u043e\u0448\u0430\u044f, \u0443\u0441\u0442\u043e\u0439\u0447\u0438\u0432\u0430 \u043a\u043e \u043c\u043d\u043e\u0433\u0438\u043c \u0445\u0438\u043c\u0438\u043a\u0430\u0442\u0430\u043c<\/td><td>\u041e\u0442\u043b\u0438\u0447\u043d\u043e (\u0437\u0430\u0432\u0438\u0441\u0438\u0442 \u043e\u0442 \u0442\u0438\u043f\u0430 \u0441\u043c\u043e\u043b\u044b)<\/td><\/tr><tr><td><strong>\u0422\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u043d\u0430\u044f \u0441\u0442\u043e\u0439\u043a\u043e\u0441\u0442\u044c<\/strong><\/td><td>-40\u00b0\u0421 \u0434\u043e 80\u00b0\u0421<\/td><td>\u043e\u0442 -40\u00b0C \u0434\u043e 100\u00b0C<\/td><td>300\u00b0C+<\/td><td>-50\u00b0\u0421 \u0434\u043e 80\u00b0\u0421<\/td><td>\u043e\u0442 -40\u00b0C \u0434\u043e 150\u00b0C<\/td><\/tr><tr><td><strong>\u0413\u0438\u0431\u043a\u043e\u0441\u0442\u044c<\/strong><\/td><td>\u0412\u044b\u0441\u043e\u043a\u0430\u044f, \u043e\u0442\u043b\u0438\u0447\u043d\u043e \u043f\u043e\u0434\u0445\u043e\u0434\u0438\u0442 \u0434\u043b\u044f \u043f\u0440\u0438\u0434\u0430\u043d\u0438\u044f \u0444\u043e\u0440\u043c\u044b \u0438 \u043b\u0435\u043f\u043a\u0438.<\/td><td>\u0412\u044b\u0441\u043e\u043a\u0430\u044f \u0433\u0438\u0431\u043a\u043e\u0441\u0442\u044c, \u0441\u043f\u043e\u0441\u043e\u0431\u043d\u043e\u0441\u0442\u044c \u0434\u0435\u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u043f\u043e\u0434 \u0434\u0430\u0432\u043b\u0435\u043d\u0438\u0435\u043c.<\/td><td>\u0416\u0435\u0441\u0442\u043a\u0438\u0439 \u0438 \u043d\u0435\u0433\u0438\u0431\u043a\u0438\u0439<\/td><td>\u041e\u0442 \u0443\u043c\u0435\u0440\u0435\u043d\u043d\u043e\u0433\u043e \u0434\u043e \u0432\u044b\u0441\u043e\u043a\u043e\u0433\u043e<\/td><td>\u041e\u0442 \u0443\u043c\u0435\u0440\u0435\u043d\u043d\u043e\u0433\u043e \u0434\u043e \u0432\u044b\u0441\u043e\u043a\u043e\u0433\u043e<\/td><\/tr><tr><td><strong>\u0423\u0441\u0442\u043e\u0439\u0447\u0438\u0432\u043e\u0441\u0442\u044c \u043a \u0443\u0441\u0442\u0430\u043b\u043e\u0441\u0442\u0438<\/strong><\/td><td>\u041e\u0442\u043b\u0438\u0447\u043d\u044b\u0439<\/td><td>\u041e\u0442 \u0443\u043c\u0435\u0440\u0435\u043d\u043d\u043e\u0433\u043e \u0434\u043e \u0432\u044b\u0441\u043e\u043a\u043e\u0433\u043e<\/td><td>\u0411\u0435\u0434\u043d\u044b\u0439<\/td><td>\u0423\u043c\u0435\u0440\u0435\u043d\u043d\u044b\u0439<\/td><td>\u0412\u044b\u0441\u043e\u043a\u0438\u0439<\/td><\/tr><tr><td><strong>\u0420\u0430\u0441\u0445\u043e\u0434\u044b<\/strong><\/td><td>\u041e\u0442 \u0443\u043c\u0435\u0440\u0435\u043d\u043d\u043e\u0433\u043e \u0434\u043e \u0432\u044b\u0441\u043e\u043a\u043e\u0433\u043e<\/td><td>\u041e\u0442 \u043d\u0438\u0437\u043a\u043e\u0433\u043e \u0434\u043e \u0441\u0440\u0435\u0434\u043d\u0435\u0433\u043e<\/td><td>\u0412\u044b\u0441\u043e\u043a\u0438\u0439<\/td><td>\u041e\u0442 \u043d\u0438\u0437\u043a\u043e\u0433\u043e \u0434\u043e \u0441\u0440\u0435\u0434\u043d\u0435\u0433\u043e<\/td><td>\u041e\u0442 \u0443\u043c\u0435\u0440\u0435\u043d\u043d\u043e\u0433\u043e \u0434\u043e \u0432\u044b\u0441\u043e\u043a\u043e\u0433\u043e<\/td><\/tr><tr><td><strong>\u0418\u0437\u043d\u043e\u0441\u043e\u0441\u0442\u043e\u0439\u043a\u043e\u0441\u0442\u044c<\/strong><\/td><td>\u041e\u0442\u043b\u0438\u0447\u043d\u044b\u0439<\/td><td>\u041e\u0442 \u0443\u043c\u0435\u0440\u0435\u043d\u043d\u043e\u0433\u043e \u0434\u043e \u0432\u044b\u0441\u043e\u043a\u043e\u0433\u043e<\/td><td>\u041e\u0447\u0435\u043d\u044c \u043d\u0438\u0437\u043a\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c (\u0435\u0441\u043b\u0438 \u043d\u0435 \u043f\u0440\u043e\u0432\u043e\u0434\u0438\u0442\u0441\u044f \u043b\u0435\u0447\u0435\u043d\u0438\u0435)<\/td><td>\u0423\u043c\u0435\u0440\u0435\u043d\u043d\u044b\u0439<\/td><td>\u041e\u0442\u043b\u0438\u0447\u043d\u044b\u0439<\/td><\/tr><tr><td><strong>\u041f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u0435 \u0432 \u0433\u043e\u0440\u043d\u043e\u0434\u043e\u0431\u044b\u0432\u0430\u044e\u0449\u0435\u0439 \u043f\u0440\u043e\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u043e\u0441\u0442\u0438<\/strong><\/td><td>\u0424\u0443\u0442\u0435\u0440\u043e\u0432\u043a\u0430, \u0441\u0435\u0442\u043a\u0438, \u0448\u043b\u0430\u043d\u0433\u0438, \u0440\u0435\u043c\u043d\u0438, \u0438\u0437\u043d\u043e\u0441\u043e\u0441\u0442\u043e\u0439\u043a\u0438\u0435 \u0434\u0435\u0442\u0430\u043b\u0438.<\/td><td>\u041a\u043e\u043d\u0432\u0435\u0439\u0435\u0440\u043d\u044b\u0435 \u043b\u0435\u043d\u0442\u044b, \u0443\u043f\u043b\u043e\u0442\u043d\u0435\u043d\u0438\u044f, \u043f\u0440\u043e\u043a\u043b\u0430\u0434\u043a\u0438, \u0437\u0430\u0449\u0438\u0442\u043d\u0430\u044f \u043e\u0434\u0435\u0436\u0434\u0430<\/td><td>\u0414\u0435\u0442\u0430\u043b\u0438 \u043e\u0431\u043e\u0440\u0443\u0434\u043e\u0432\u0430\u043d\u0438\u044f, \u043a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0442\u0438\u0432\u043d\u044b\u0435 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u044b<\/td><td>\u0416\u0435\u043b\u043e\u0431\u0430, \u0431\u0443\u043d\u043a\u0435\u0440\u044b, \u0444\u0443\u0442\u0435\u0440\u043e\u0432\u043a\u0430, \u0442\u0440\u0443\u0431\u043e\u043f\u0440\u043e\u0432\u043e\u0434\u044b<\/td><td>\u041f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u0435 \u0432 \u0443\u0441\u043b\u043e\u0432\u0438\u044f\u0445 \u0432\u044b\u0441\u043e\u043a\u0438\u0445 \u043d\u0430\u0433\u0440\u0443\u0437\u043e\u043a, \u0438\u0437\u043d\u0430\u0448\u0438\u0432\u0430\u0435\u043c\u044b\u0435 \u0434\u0435\u0442\u0430\u043b\u0438, \u0432\u043a\u043b\u0430\u0434\u044b\u0448\u0438, \u0430\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435.<\/td><\/tr><\/tbody><\/table><hr \/><h4><strong>\u041f\u043e\u0434\u0440\u043e\u0431\u043d\u044b\u0439 \u0430\u043d\u0430\u043b\u0438\u0437:<\/strong><\/h4><h5><strong>1. \u041f\u043e\u043b\u0438\u0443\u0440\u0435\u0442\u0430\u043d (\u041f\u0423):<\/strong><\/h5><ul><li><strong>\u041f\u0440\u0435\u0438\u043c\u0443\u0449\u0435\u0441\u0442\u0432\u0430<\/strong>:<ul><li><strong>\u0421\u0442\u043e\u0439\u043a\u043e\u0441\u0442\u044c \u043a \u0438\u0441\u0442\u0438\u0440\u0430\u043d\u0438\u044e<\/strong>: Polyurethane offers excellent abrasion resistance, making it ideal for high-wear applications like <strong>liners<\/strong>, <strong>screen meshes<\/strong>, \u0438 <strong>conveyor belts<\/strong> in mining operations.<\/li><li><strong>\u0423\u0434\u0430\u0440\u043e\u043f\u0440\u043e\u0447\u043d\u043e\u0441\u0442\u044c<\/strong>: PU has high rebound properties, which help absorb impact forces in environments where machinery is subject to heavy loads or shocks, such as crushers and mills.<\/li><li><strong>\u0425\u0438\u043c\u0438\u0447\u0435\u0441\u043a\u0430\u044f \u0441\u0442\u043e\u0439\u043a\u043e\u0441\u0442\u044c<\/strong>: Polyurethane resists oils, acids, and solvents, which makes it suitable for environments where harsh chemicals are present (e.g., in flotation processes or ore extraction).<\/li><li><strong>Durability and Fatigue Resistance<\/strong>: PU performs excellently in high-stress and repetitive wear environments, providing longer service life compared to other materials like rubber or steel.<\/li><\/ul><\/li><li><strong>\u041d\u0435\u0434\u043e\u0441\u0442\u0430\u0442\u043a\u0438<\/strong>:<ul><li><strong>\u0422\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u043d\u0430\u044f \u0441\u0442\u043e\u0439\u043a\u043e\u0441\u0442\u044c<\/strong>: Polyurethane can withstand temperatures up to 80\u00b0C, which is lower than materials like steel or composite materials. This can limit its application in high-temperature environments.<\/li><li><strong>\u0420\u0430\u0441\u0445\u043e\u0434\u044b<\/strong>: PU is generally more expensive than rubber and polyethylene, which may limit its use in some cost-sensitive applications.<\/li><\/ul><\/li><\/ul><h5><strong>2. Rubber:<\/strong><\/h5><ul><li><strong>\u041f\u0440\u0435\u0438\u043c\u0443\u0449\u0435\u0441\u0442\u0432\u0430<\/strong>:<ul><li><strong>Flexibility and Impact Resistance<\/strong>: Rubber has high flexibility and can absorb shocks and impacts, making it suitable for <strong>conveyor belts<\/strong>, <strong>gaskets<\/strong>, \u0438 <strong>seals<\/strong> in mining machinery.<\/li><li><strong>Good Abrasion Resistance<\/strong>: Rubber, particularly vulcanized rubber, can offer excellent wear resistance in low-to-medium wear environments.<\/li><li><strong>\u0411\u044e\u0434\u0436\u0435\u0442\u043d\u044b\u0439<\/strong>: Rubber is relatively inexpensive, making it a cost-effective solution for many applications.<\/li><\/ul><\/li><li><strong>\u041d\u0435\u0434\u043e\u0441\u0442\u0430\u0442\u043a\u0438<\/strong>:<ul><li><strong>\u0425\u0438\u043c\u0438\u0447\u0435\u0441\u043a\u0430\u044f \u0441\u0442\u043e\u0439\u043a\u043e\u0441\u0442\u044c<\/strong>: Rubber&#8217;s chemical resistance is generally lower than that of PU and composite materials. It may degrade when exposed to certain oils, acids, and solvents.<\/li><li><strong>\u041c\u0435\u043d\u044c\u0448\u0430\u044f \u043f\u0440\u043e\u0447\u043d\u043e\u0441\u0442\u044c<\/strong>: Rubber is less durable than polyurethane or composite materials in high-wear environments.<\/li><li><strong>\u0422\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u043d\u0430\u044f \u0441\u0442\u043e\u0439\u043a\u043e\u0441\u0442\u044c<\/strong>: Rubber is suitable for environments with moderate temperatures, but it starts to degrade at higher temperatures (typically &gt;100\u00b0C), limiting its application in high-heat mining processes.<\/li><\/ul><\/li><\/ul><h5><strong>3. Steel:<\/strong><\/h5><ul><li><strong>\u041f\u0440\u0435\u0438\u043c\u0443\u0449\u0435\u0441\u0442\u0432\u0430<\/strong>:<ul><li><strong>High Strength and Durability<\/strong>: Steel is incredibly strong and durable, withstanding extreme loads and stress, making it ideal for structural components, heavy equipment, and parts that are exposed to significant mechanical forces (e.g., excavators, crushers).<\/li><li><strong>\u0425\u0438\u043c\u0438\u0447\u0435\u0441\u043a\u0430\u044f \u0441\u0442\u043e\u0439\u043a\u043e\u0441\u0442\u044c<\/strong>: Steel is resistant to most chemicals, and when properly coated (e.g., galvanized steel), it can be highly corrosion-resistant, making it suitable for harsh mining environments.<\/li><li><strong>High Temperature Resistance<\/strong>: Steel can handle very high temperatures (up to 300\u00b0C and beyond), making it the material of choice for high-heat applications.<\/li><\/ul><\/li><li><strong>\u041d\u0435\u0434\u043e\u0441\u0442\u0430\u0442\u043a\u0438<\/strong>:<ul><li><strong>Low Abrasion Resistance<\/strong>: Without coatings, steel can wear down more quickly in high-abrasion environments. It is prone to denting and cracking under impact.<\/li><li><strong>Rigidity<\/strong>: Steel is rigid and not as flexible as rubber or polyurethane, which can be a limitation in applications that require some degree of flexibility (e.g., conveyor systems, sealing systems).<\/li><\/ul><\/li><\/ul><h5><strong>4. Polyethylene (PE):<\/strong><\/h5><ul><li><strong>\u041f\u0440\u0435\u0438\u043c\u0443\u0449\u0435\u0441\u0442\u0432\u0430<\/strong>:<ul><li><strong>\u042d\u043a\u043e\u043d\u043e\u043c\u0438\u0447\u0435\u0441\u043a\u0438 \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u043e<\/strong>: Polyethylene is very affordable, which makes it suitable for large-scale applications like <strong>liners<\/strong>, <strong>piping<\/strong>, \u0438 <strong>chutes<\/strong> in the mining industry.<\/li><li><strong>\u0425\u0438\u043c\u0438\u0447\u0435\u0441\u043a\u0430\u044f \u0441\u0442\u043e\u0439\u043a\u043e\u0441\u0442\u044c<\/strong>: PE has good resistance to many chemicals, including acids and alkalis, making it ideal for certain mining processes.<\/li><li><strong>Low Friction<\/strong>: Polyethylene has a very low coefficient of friction, making it ideal for applications where materials need to slide or move easily, such as <strong>chutes<\/strong> \u0438 <strong>conveyors<\/strong>.<\/li><\/ul><\/li><li><strong>\u041d\u0435\u0434\u043e\u0441\u0442\u0430\u0442\u043a\u0438<\/strong>:<ul><li><strong>\u0418\u0437\u043d\u043e\u0441\u043e\u0441\u0442\u043e\u0439\u043a\u043e\u0441\u0442\u044c<\/strong>: Polyethylene has moderate wear resistance compared to materials like polyurethane and steel, so it may not last as long in high-wear applications.<\/li><li><strong>\u0422\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u043d\u0430\u044f \u0441\u0442\u043e\u0439\u043a\u043e\u0441\u0442\u044c<\/strong>: PE is only suitable for low-to-medium temperatures (up to 80\u00b0C), which limits its use in high-temperature mining environments.<\/li><\/ul><\/li><\/ul><h5><strong>5. Composite Materials:<\/strong><\/h5><ul><li><strong>\u041f\u0440\u0435\u0438\u043c\u0443\u0449\u0435\u0441\u0442\u0432\u0430<\/strong>:<ul><li><strong>\u0418\u0437\u043d\u043e\u0441\u043e\u0441\u0442\u043e\u0439\u043a\u043e\u0441\u0442\u044c<\/strong>: Composite materials (e.g., carbon fiber, fiberglass-reinforced plastics) have excellent wear resistance, which is ideal for high-stress applications in the mining industry like <strong>liners<\/strong>, <strong>wear plates<\/strong>, \u0438 <strong>screening systems<\/strong>.<\/li><li><strong>\u0423\u0434\u0430\u0440\u043e\u043f\u0440\u043e\u0447\u043d\u043e\u0441\u0442\u044c<\/strong>: Composites often have high impact resistance, making them ideal for environments with significant mechanical shock or vibration.<\/li><li><strong>\u0422\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u043d\u0430\u044f \u0441\u0442\u043e\u0439\u043a\u043e\u0441\u0442\u044c<\/strong>: Composites can handle higher temperatures (up to 150\u00b0C or more) compared to polyurethane and polyethylene, making them suitable for extreme mining conditions.<\/li><\/ul><\/li><li><strong>\u041d\u0435\u0434\u043e\u0441\u0442\u0430\u0442\u043a\u0438<\/strong>:<ul><li><strong>\u0420\u0430\u0441\u0445\u043e\u0434\u044b<\/strong>: Composite materials are typically more expensive than other materials like rubber and polyethylene, which can make them less suitable for low-cost, mass-produced applications.<\/li><li><strong>Structural Integrity<\/strong>: While composites are strong and durable, they may not have the same tensile strength or flexibility as steel in heavy load-bearing applications.<\/li><\/ul><\/li><\/ul><h4><strong>\u041a\u0440\u0430\u0442\u043a\u043e\u0435 \u0441\u043e\u0434\u0435\u0440\u0436\u0430\u043d\u0438\u0435:<\/strong><\/h4><h5><strong>\u041f\u043e\u043b\u0438\u0443\u0440\u0435\u0442\u0430\u043d (\u041f\u0423)<\/strong><\/h5><ul><li><strong>\u041f\u043b\u044e\u0441\u044b<\/strong>: Excellent abrasion resistance, impact resistance, and fatigue resistance. Ideal for high-wear applications like <strong>liners<\/strong>, <strong>conveyor belts<\/strong>, \u0438 <strong>wear-resistant parts<\/strong> in mining. High <strong>\u0445\u0438\u043c\u0438\u0447\u0435\u0441\u043a\u0430\u044f \u0441\u0442\u043e\u0439\u043a\u043e\u0441\u0442\u044c<\/strong> makes it ideal for contact with mining solvents and oils.<\/li><li><strong>\u041c\u0438\u043d\u0443\u0441\u044b<\/strong>: <strong>\u0420\u0430\u0441\u0445\u043e\u0434\u044b<\/strong> is higher than materials like rubber and polyethylene. <strong>Temperature resistance<\/strong> is limited compared to steel and composites.<\/li><\/ul><h5><strong>\u0420\u0435\u0437\u0438\u043d\u0430<\/strong><\/h5><ul><li><strong>\u041f\u043b\u044e\u0441\u044b<\/strong>: Cost-effective, <strong>\u0433\u0438\u0431\u043a\u0438\u0439<\/strong>, and provides good <strong>\u0443\u0434\u0430\u0440\u043e\u043f\u0440\u043e\u0447\u043d\u043e\u0441\u0442\u044c<\/strong>. Often used in <strong>conveyor belts<\/strong>, <strong>gaskets<\/strong>, \u0438 <strong>seals<\/strong>.<\/li><li><strong>\u041c\u0438\u043d\u0443\u0441\u044b<\/strong>: Lower <strong>\u0441\u0442\u043e\u0439\u043a\u043e\u0441\u0442\u044c \u043a \u0438\u0441\u0442\u0438\u0440\u0430\u043d\u0438\u044e<\/strong> \u0438 <strong>\u0445\u0438\u043c\u0438\u0447\u0435\u0441\u043a\u0430\u044f \u0441\u0442\u043e\u0439\u043a\u043e\u0441\u0442\u044c<\/strong> compared to polyurethane. <strong>Temperature resistance<\/strong> is lower, making it less suitable for extreme conditions.<\/li><\/ul><h5><strong>\u0421\u0442\u0430\u043b\u044c<\/strong><\/h5><ul><li><strong>\u041f\u043b\u044e\u0441\u044b<\/strong>: <strong>Extremely strong<\/strong> \u0438 <strong>\u043f\u0440\u043e\u0447\u043d\u044b\u0439<\/strong>. Suitable for structural components and high-load applications. Excellent <strong>\u0442\u0435\u0440\u043c\u043e\u0441\u0442\u043e\u0439\u043a\u043e\u0441\u0442\u044c<\/strong> \u0438 <strong>\u0445\u0438\u043c\u0438\u0447\u0435\u0441\u043a\u0430\u044f \u0441\u0442\u043e\u0439\u043a\u043e\u0441\u0442\u044c<\/strong>.<\/li><li><strong>\u041c\u0438\u043d\u0443\u0441\u044b<\/strong>: Poor <strong>\u0441\u0442\u043e\u0439\u043a\u043e\u0441\u0442\u044c \u043a \u0438\u0441\u0442\u0438\u0440\u0430\u043d\u0438\u044e<\/strong> unless treated with coatings. Rigid and not flexible for dynamic applications.<\/li><\/ul><h5><strong>\u041f\u043e\u043b\u0438\u044d\u0442\u0438\u043b\u0435\u043d (\u041f\u042d)<\/strong><\/h5><ul><li><strong>\u041f\u043b\u044e\u0441\u044b<\/strong>: <strong>Low cost<\/strong>, good <strong>\u0445\u0438\u043c\u0438\u0447\u0435\u0441\u043a\u0430\u044f \u0441\u0442\u043e\u0439\u043a\u043e\u0441\u0442\u044c<\/strong>, \u0438 <strong>low friction<\/strong>. Suitable for applications like <strong>piping<\/strong> \u0438 <strong>chutes<\/strong>.<\/li><li><strong>\u041c\u0438\u043d\u0443\u0441\u044b<\/strong>: <strong>Moderate wear resistance<\/strong> \u0438 <strong>\u0442\u0435\u0440\u043c\u043e\u0441\u0442\u043e\u0439\u043a\u043e\u0441\u0442\u044c<\/strong>, which limits its use in high-abrasion or high-heat environments.<\/li><\/ul><h5><strong>\u041a\u043e\u043c\u043f\u043e\u0437\u0438\u0442\u043d\u044b\u0435 \u041c\u0430\u0442\u0435\u0440\u0438\u0430\u043b\u044b<\/strong><\/h5><ul><li><strong>\u041f\u043b\u044e\u0441\u044b<\/strong>: \u041e\u0442\u043b\u0438\u0447\u043d\u044b\u0439 <strong>wear resistance<\/strong>, <strong>\u0443\u0434\u0430\u0440\u043e\u043f\u0440\u043e\u0447\u043d\u043e\u0441\u0442\u044c<\/strong>, \u0438 <strong>\u0442\u0435\u0440\u043c\u043e\u0441\u0442\u043e\u0439\u043a\u043e\u0441\u0442\u044c<\/strong>. Ideal for heavy-duty applications in mining.<\/li><li><strong>\u041c\u0438\u043d\u0443\u0441\u044b<\/strong>: Expensive, and may not match steel in terms of load-bearing capacity.<\/li><\/ul><h5><strong>\u0417\u0430\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435:<\/strong><\/h5><ul><li><strong>\u041f\u043e\u043b\u0438\u0443\u0440\u0435\u0442\u0430\u043d<\/strong> stands out in the mining industry for <strong>wear-resistant applications<\/strong> where flexibility, impact resistance, and chemical resistance are essential, such as <strong>conveyor belts<\/strong>, <strong>liners<\/strong>, \u0438 <strong>screens<\/strong>. It provides a <strong>\u044d\u043a\u043e\u043d\u043e\u043c\u0438\u0447\u0435\u0441\u043a\u0438 \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u044b\u0439<\/strong> alternative to more expensive materials like <strong>composite materials<\/strong> while offering better performance than rubber or polyethylene in high-wear environments.<\/li><li><strong>\u0420\u0435\u0437\u0438\u043d\u0430<\/strong> is best suited for applications requiring <strong>\u0433\u0438\u0431\u043a\u043e\u0441\u0442\u044c<\/strong> \u0438 <strong>impact absorption<\/strong>, but it lacks the long-term durability of polyurethane or steel in heavy-duty mining conditions.<\/li><li><strong>\u0421\u0442\u0430\u043b\u044c<\/strong> is essential for <strong>\u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u043d\u044b\u0435 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u044b<\/strong> \u0438 <strong>high-load applications<\/strong> but is less suited for environments where wear resistance or flexibility is critical.<\/li><li><strong>\u041f\u043e\u043b\u0438\u044d\u0442\u0438\u043b\u0435\u043d<\/strong> \u043f\u0440\u0435\u0434\u043b\u0430\u0433\u0430\u0435\u0442 <strong>\u044d\u043a\u043e\u043d\u043e\u043c\u0438\u0447\u0435\u0441\u043a\u0438 \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u043e\u0435 \u0440\u0435\u0448\u0435\u043d\u0438\u0435<\/strong> for many <strong>mining applications<\/strong> but falls short in <strong>wear and temperature resistance<\/strong> compared to PU and steel.<\/li><li><strong>Composite materials<\/strong> provide high performance in <strong>wear and impact resistance<\/strong> but come at a higher cost, which may be a limiting factor in certain mining operations.<\/li><\/ul><p>\u00a0<\/p><p>Polyurethane provides a <strong>versatile and durable solution<\/strong> for a wide range of mining applications, particularly in <strong>\u0441\u0442\u043e\u0439\u043a\u043e\u0441\u0442\u044c \u043a \u0438\u0441\u0442\u0438\u0440\u0430\u043d\u0438\u044e<\/strong> \u0438 <strong>wear-prone environments<\/strong>, making it a preferred choice for mining industry components like <strong>liners<\/strong>, <strong>belts<\/strong>, \u0438 <strong>wear plates<\/strong>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-05c61b1 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"05c61b1\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-cfdb80c\" data-id=\"cfdb80c\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5b20546 elementor-widget elementor-widget-text-editor\" data-id=\"5b20546\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>\u041f\u043e\u0441\u043b\u0435\u0434\u043d\u0438\u0439 \u0431\u043b\u043e\u0433: <a href=\"https:\/\/urexceed.com\/ru\/polyurethane-and-mining-industry-development-and-challenges\/\">\u041f\u043e\u043b\u0438\u0443\u0440\u0435\u0442\u0430\u043d\u043e\u0432\u0430\u044f \u0438 \u0433\u043e\u0440\u043d\u043e\u0434\u043e\u0431\u044b\u0432\u0430\u044e\u0449\u0430\u044f \u043f\u0440\u043e\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u043e\u0441\u0442\u044c: \u0440\u0430\u0437\u0432\u0438\u0442\u0438\u0435 \u0438 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u044b<\/a><\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>In the mining industry, materials need to withstand harsh conditions, including high abrasion, chemical exposure, extreme temperatures, and heavy loads. Polyurethane (PU) is commonly used in mining applications due to its durability, wear resistance, and versatility. However, it is important to compare it with other materials commonly used in the mining industry, such as rubber, [&hellip;]<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","footnotes":""},"categories":[54],"tags":[],"class_list":["post-5878","post","type-post","status-publish","format-standard","hentry","category-industry-news"],"_seopress_analysis_target_kw":"","_seopress_titles_desc":null,"_links":{"self":[{"href":"https:\/\/urexceed.com\/ru\/wp-json\/wp\/v2\/posts\/5878","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/urexceed.com\/ru\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/urexceed.com\/ru\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/urexceed.com\/ru\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/urexceed.com\/ru\/wp-json\/wp\/v2\/comments?post=5878"}],"version-history":[{"count":4,"href":"https:\/\/urexceed.com\/ru\/wp-json\/wp\/v2\/posts\/5878\/revisions"}],"predecessor-version":[{"id":5885,"href":"https:\/\/urexceed.com\/ru\/wp-json\/wp\/v2\/posts\/5878\/revisions\/5885"}],"wp:attachment":[{"href":"https:\/\/urexceed.com\/ru\/wp-json\/wp\/v2\/media?parent=5878"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/urexceed.com\/ru\/wp-json\/wp\/v2\/categories?post=5878"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/urexceed.com\/ru\/wp-json\/wp\/v2\/tags?post=5878"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}