{"id":393,"date":"2016-01-26T00:00:00","date_gmt":"2016-01-26T00:00:00","guid":{"rendered":""},"modified":"2020-12-11T10:43:46","modified_gmt":"2020-12-11T10:43:46","slug":"sabies-quer-abans-els-pneumatics-eren-blancs","status":"publish","type":"post","link":"https:\/\/www.rodi.cat\/blog\/sabies-quer-abans-els-pneumatics-eren-blancs\/","title":{"rendered":"Sabies que abans els Pneum\u00e0tics eren blancs?"},"content":{"rendered":"<p class=\"ql-align-justify\">Els <strong>pneum\u00e0tics<\/strong> s\u00f3n de color negre i no de qualsevol altre color exclusivament per evitar el <strong>desgast<\/strong> produ\u00eft per la<strong> radiaci\u00f3 solar.<\/strong> Per crear un pneum\u00e0tic que sigui prou resistent davant d&#8217;aquesta adversitat es fa servir un compost anomenat <strong>\u201ccarb\u00f3 negre\u201d<\/strong> que \u00e9s el que li d\u00f3na justament aquest color.<\/p>\n<p class=\"ql-align-justify\">Aquest descobriment va ser fruit de l&#8217;atzar. El 1885, els enginyers de B.F. Goodrich van decidir fabricar pneum\u00e0tics negres per evitar que s&#8217;hi not\u00e9s la brut\u00edcia. La sorpresa va arribar quan van adonar-se que d&#8217;aquesta manera els pneum\u00e0tics eren fins a cinc vegades m\u00e9s resistents.<\/p>\n<p class=\"ql-align-justify\">Des d&#8217;aleshores sempre s&#8217;ha fet servir el \u201ccarb\u00f3 negre\u201d per fabricar-ne i aquest ha estat un dels aven\u00e7os m\u00e9s importants en el m\u00f3n dels neum\u00e0tics.<\/p>\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"740\" height=\"416\" src=\"https:\/\/www.rodi.cat\/blog\/wp-content\/uploads\/2020\/12\/1913-american-underslung-neumaticos-blancos-1.jpg\" alt=\"\" class=\"wp-image-4156\" srcset=\"https:\/\/www.rodi.cat\/blog\/wp-content\/uploads\/2020\/12\/1913-american-underslung-neumaticos-blancos-1.jpg 740w, https:\/\/www.rodi.cat\/blog\/wp-content\/uploads\/2020\/12\/1913-american-underslung-neumaticos-blancos-1-300x169.jpg 300w\" sizes=\"(max-width: 706px) 89vw, (max-width: 767px) 82vw, 740px\" \/><figcaption>1913 American Underslung<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Els pneum\u00e0tics s\u00f3n de color negre i no de qualsevol altre color exclusivament per evitar el desgast produ\u00eft per la radiaci\u00f3 solar. Per crear un pneum\u00e0tic que sigui prou resistent davant d&#8217;aquesta adversitat es fa servir un compost anomenat \u201ccarb\u00f3 negre\u201d que \u00e9s el que li d\u00f3na justament aquest color. Aquest descobriment va ser fruit &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.rodi.cat\/blog\/sabies-quer-abans-els-pneumatics-eren-blancs\/\" class=\"more-link\">Seguir llegint<span class=\"screen-reader-text\"> &#8220;Sabies que abans els Pneum\u00e0tics eren blancs?&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":4149,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Sabies que abans els Pneum\u00e0tics eren blancs? - Rodi Motor Services<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.rodi.cat\/blog\/sabies-quer-abans-els-pneumatics-eren-blancs\/\" \/>\n<meta property=\"og:locale\" content=\"ca_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Sabies que abans els Pneum\u00e0tics eren blancs? - Rodi Motor Services\" \/>\n<meta property=\"og:description\" content=\"Els pneum\u00e0tics s\u00f3n de color negre i no de qualsevol altre color exclusivament per evitar el desgast produ\u00eft per la radiaci\u00f3 solar. Per crear un pneum\u00e0tic que sigui prou resistent davant d&#8217;aquesta adversitat es fa servir un compost anomenat \u201ccarb\u00f3 negre\u201d que \u00e9s el que li d\u00f3na justament aquest color. 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