{"id":471,"date":"2013-11-21T08:06:00","date_gmt":"2013-11-21T05:06:00","guid":{"rendered":"http:\/\/blog.polyurethan.ru\/?p=471"},"modified":"2026-07-15T09:12:44","modified_gmt":"2026-07-15T06:12:44","slug":"hardness","status":"publish","type":"post","link":"https:\/\/blog.polyurethan.ru\/es\/2013\/11\/21\/hardness\/","title":{"rendered":"Dureza de poliuretano"},"content":{"rendered":"\n<p>En la descripci\u00f3n de casi todos los productos de poliuretano fabricados por nuestra empresa, se mencionan regularmente las palabras &#8220;Dureza Shore: 65 unidades&#8221; o &#8220;Dureza Shore: 80 unidades&#8221;. Sin embargo, no todos saben qu\u00e9 es esta dureza.<\/p>\n\n\n\n<p>Intentemos\nresponder las preguntas m\u00e1s comunes sobre <strong><em>dureza<\/em><\/strong> en este art\u00edculo.<\/p>\n\n\n\n<p><strong>\u00bfQu\u00e9 es la &#8220;dureza&#8221; y en qu\u00e9 se diferencia de la &#8220;densidad&#8221;?<\/strong><\/p>\n\n\n\n<p>Muchos de\nnuestros clientes confunden la dureza y la densidad de una sustancia, pero\nestos son conceptos completamente diferentes.<\/p>\n\n\n\n<p>La dureza\nes propiedad de un material para resistir la incorporaci\u00f3n en \u00e9l de otro cuerpo\nm\u00e1s s\u00f3lido.<\/p>\n\n\n\n<p>Densidad:\nla relaci\u00f3n entre el peso corporal y el volumen o \u00e1rea ocupada por este cuerpo.<\/p>\n\n\n\n<p>Por lo\ntanto, la materia en estado s\u00f3lido, l\u00edquido o gaseoso puede tener densidad,\nmientras que la dureza solo es caracter\u00edstica de los s\u00f3lidos.<\/p>\n\n\n\n<p><strong>\u00bfC\u00f3mo y en qu\u00e9 unidades se mide la dureza?<\/strong><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"alignleft size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/\u0442\u043201-1.jpg\" alt=\"La dureza var\u00eda en unidades arbitrarias\" class=\"wp-image-515\" width=\"200\" height=\"150\" srcset=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/\u0442\u043201-1.jpg?v=1617730692 800w, https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/\u0442\u043201-1-300x225.jpg?v=1617730692 300w, https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/\u0442\u043201-1-768x576.jpg?v=1617730692 768w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/figure><\/div>\n\n\n\n<p>La dureza\nvar\u00eda en unidades arbitrarias. El m\u00e9todo de medici\u00f3n de la dureza tambi\u00e9n suele\nestar indicado (m\u00e9todo Brinell, m\u00e9todo Vickers, m\u00e9todo Shore, etc.)<\/p>\n\n\n\n<p>La mayor\u00eda\nde las escalas de dureza se usan para trabajar con metales o minerales.<\/p>\n\n\n\n<p><strong>\u00bfQu\u00e9 queremos decir con la palabra\n&#8220;dureza&#8221;?<\/strong><\/p>\n\n\n\n<p>Utilizando\neste concepto en la descripci\u00f3n de nuestros productos, nos referimos, en primer\nlugar, a la dureza, como una cantidad medida por un dur\u00f3metro.<\/p>\n\n\n\n<p>El dur\u00f3metro es un dispositivo especial que eval\u00faa la dureza de un material en unidades arbitrarias de acuerdo con el m\u00e9todo de sangr\u00eda creado por Albert Shore. Para evaluar nuestros productos, utilizamos la &#8220;escala A&#8221; introducida por Shore, dise\u00f1ada para materiales m\u00e1s blandos.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2020\/06\/dureza-1-1024x768.jpg\" alt=\"\" class=\"wp-image-9681\" width=\"256\" height=\"192\" srcset=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2020\/06\/dureza-1-1024x768.jpg?v=1617729909 1024w, https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2020\/06\/dureza-1-300x225.jpg?v=1617729909 300w, https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2020\/06\/dureza-1-768x576.jpg?v=1617729909 768w, https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2020\/06\/dureza-1-1536x1152.jpg?v=1617729909 1536w, https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2020\/06\/dureza-1-2048x1536.jpg?v=1617729909 2048w\" sizes=\"auto, (max-width: 256px) 100vw, 256px\" \/><\/figure><\/div>\n\n\n\n<p class=\"has-text-color has-luminous-vivid-orange-color\"><strong>Profundidades de indentaci\u00f3n superficial para materiales de diferente dureza con una fuerza de 18 kg.<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"\"><tbody><tr><td>N<\/td><td>67A<\/td><td>70A<\/td><td>75A<\/td><td>80A<\/td><td>87A<\/td><td>98A<\/td><\/tr><tr><td>h<\/td><td>3 mm<\/td><td>2,5 mm<\/td><td>2 mm<\/td><td>1,5 mm<\/td><td>1 mm<\/td><td>0,5 mm<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Para hacerlo m\u00e1s claro, damos como ejemplo la dureza de algunos materiales en una escala A:<\/p>\n\n\n\n<figure class=\"wp-block-gallery columns-4 is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/04-2-1.jpg\" alt=\"\" data-id=\"493\" data-full-url=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/04-2-1.jpg\" data-link=\"https:\/\/blog.polyurethan.ru\/2019\/09\/12\/hardness\/04-2-1\/\" class=\"wp-image-493\" srcset=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/04-2-1.jpg?v=1617730694 800w, https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/04-2-1-300x225.jpg?v=1617730694 300w, https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/04-2-1-768x576.jpg?v=1617730694 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"blocks-gallery-item__caption\"> sellador de silic\u00f3n 10-25 unidades <\/figcaption><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/05-3.jpg\" alt=\"\" data-id=\"494\" data-full-url=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/05-3.jpg\" data-link=\"https:\/\/blog.polyurethan.ru\/2019\/09\/12\/hardness\/05-3\/\" class=\"wp-image-494\" srcset=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/05-3.jpg?v=1617730694 800w, https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/05-3-300x225.jpg?v=1617730694 300w, https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/05-3-768x576.jpg?v=1617730694 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"blocks-gallery-item__caption\"> borrador 50-55 unidades <\/figcaption><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/06-2.jpg\" alt=\"\" data-id=\"495\" data-full-url=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/06-2.jpg\" data-link=\"https:\/\/blog.polyurethan.ru\/2019\/09\/12\/hardness\/06-2-2\/\" class=\"wp-image-495\" srcset=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/06-2.jpg?v=1617730694 800w, https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/06-2-300x225.jpg?v=1617730694 300w, https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/06-2-768x576.jpg?v=1617730694 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"blocks-gallery-item__caption\"> neum\u00e1tico del coche 60-70 unidades <\/figcaption><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/07-1-1.jpg\" alt=\"\" data-id=\"496\" data-full-url=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/07-1-1.jpg\" data-link=\"https:\/\/blog.polyurethan.ru\/2019\/09\/12\/hardness\/07-1-1\/\" class=\"wp-image-496\" srcset=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/07-1-1.jpg?v=1617730694 800w, https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/07-1-1-300x225.jpg?v=1617730694 300w, https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/07-1-1-768x576.jpg?v=1617730694 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"blocks-gallery-item__caption\"> ebonita&nbsp; 100 unidades <\/figcaption><\/figure><\/li><\/ul><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u00bfCu\u00e1l es la\ndureza de los productos fabricados por Polyurethane LLC?<\/h2>\n\n\n\n<p>En serie,\nproducimos principalmente partes de tres tipos de dureza:<\/p>\n\n\n\n<figure class=\"wp-block-gallery columns-3 is-cropped wp-block-gallery-3 is-layout-flex wp-block-gallery-is-layout-flex\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/08-1-1.jpg\" alt=\"\" data-id=\"501\" data-full-url=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/08-1-1.jpg\" data-link=\"https:\/\/blog.polyurethan.ru\/2019\/09\/12\/hardness\/08-1-1\/\" class=\"wp-image-501\" srcset=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/08-1-1.jpg?v=1617730693 800w, https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/08-1-1-300x225.jpg?v=1617730693 300w, https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/08-1-1-768x576.jpg?v=1617730693 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"blocks-gallery-item__caption\"> Tipo 1 dureza 72 <\/figcaption><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/09-1.jpg\" alt=\"\" data-id=\"502\" data-full-url=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/09-1.jpg\" data-link=\"https:\/\/blog.polyurethan.ru\/2019\/09\/12\/hardness\/09-1\/\" class=\"wp-image-502\" srcset=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/09-1.jpg?v=1617730693 800w, https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/09-1-300x225.jpg?v=1617730693 300w, https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/09-1-768x576.jpg?v=1617730693 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"blocks-gallery-item__caption\"> Tipo 2 dureza 80 <\/figcaption><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/10-1.jpg\" alt=\"\" data-id=\"503\" data-full-url=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/10-1.jpg\" data-link=\"https:\/\/blog.polyurethan.ru\/2019\/09\/12\/hardness\/10-1\/\" class=\"wp-image-503\" srcset=\"https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/10-1.jpg?v=1617730693 800w, https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/10-1-300x225.jpg?v=1617730693 300w, https:\/\/blog.polyurethan.ru\/wp-content\/uploads\/2019\/09\/10-1-768x576.jpg?v=1617730693 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption class=\"blocks-gallery-item__caption\"> Tipo 3 dureza 87 <\/figcaption><\/figure><\/li><\/ul><\/figure>\n\n\n\n<p>Por lo tanto, designamos 3 rangos de dureza del material utilizado: <\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>72 &#8211; de 68 a 76 unidades Shore, escala A<\/li><li>80 &#8211; de 76 a 84 unidades Shore, escala A<\/li><li>87 &#8211; de 84 a 90 unidades Shore, escala A<\/li><\/ul>\n\n\n\n<p>Intentamos producir productos con una dureza comparable a la dureza de la pieza original para mantener las propiedades mec\u00e1nicas de la suspensi\u00f3n sin cambios. Y como el caucho en las piezas de repuesto, por regla general, tiene una dureza de 65 a 75 unidades, la mayor\u00eda de los bujes &nbsp;y bloques silenciosos que producimos tienen una dureza de 72 y est\u00e1n pintados en color naranja &#8211; nuestro color corporativo. Sin embargo, vale la pena recordar que el color y la dureza no siempre est\u00e1n conectados; <em>m\u00e1s sobre eso en<a href=\"https:\/\/blog.polyurethan.ru\/es\/2019\/09\/12\/color\/\"> otro art\u00edculo<\/a>.<\/em><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>En la descripci\u00f3n de casi todos los productos de poliuretano fabricados por nuestra empresa, se mencionan regularmente las palabras &#8220;Dureza Shore: 65 unidades&#8221; o &#8220;Dureza Shore: 80 unidades&#8221;. Sin embargo, no todos saben qu\u00e9 es esta dureza.<\/p>\n","protected":false},"author":1,"featured_media":62865,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[],"class_list":["post-471","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-about-polyurethane-and-other-materials"],"translation":{"provider":"WPGlobus","version":"3.0.2","language":"es","enabled_languages":["ru","en","es"],"languages":{"ru":{"title":true,"content":true,"excerpt":true},"en":{"title":true,"content":true,"excerpt":true},"es":{"title":true,"content":true,"excerpt":true}}},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Dureza de poliuretano - Polyurethane blog<\/title>\n<meta name=\"description\" content=\"En la descripci\u00f3n de casi todos los productos de poliuretano fabricados por nuestra empresa, se mencionan regularmente las palabras &quot;Dureza Shore: 65 unidades&quot; o &quot;Dureza Shore: 80 unidades&quot;. Sin embargo, no todos saben qu\u00e9 es esta dureza.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blog.polyurethan.ru\/2013\/11\/21\/hardness\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Dureza de poliuretano - Polyurethane blog\" \/>\n<meta property=\"og:description\" content=\"En la descripci\u00f3n de casi todos los productos de poliuretano fabricados por nuestra empresa, se mencionan regularmente las palabras &quot;Dureza Shore: 65 unidades&quot; o &quot;Dureza Shore: 80 unidades&quot;. 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