{"id":19799,"date":"2022-03-09T14:30:25","date_gmt":"2022-03-09T14:30:25","guid":{"rendered":"https:\/\/www.erteco.se\/material-rubber\/nr\/"},"modified":"2022-09-16T10:01:47","modified_gmt":"2022-09-16T10:01:47","slug":"nr","status":"publish","type":"material-rubber","link":"https:\/\/www.erteco.se\/en\/material-rubber\/nr\/","title":{"rendered":"NR"},"content":{"rendered":"<p>In order to prevent latex from coagulating, alkalines such as ammonia can be added, and thereafter work as a kind of preservative. The hydroxide ions from the alkaline additive neutralize the acidic hydrogen ions that are produced in the latex because of a bacterial infestation that feeds on the protein content of the latex.<\/p>\n<p><span data-contrast=\"auto\">Two variants of latex are available:<\/span><\/p>\n<ul>\n<li data-leveltext=\"\u25cf\" data-font=\"Arial\" data-listid=\"2\" aria-setsize=\"-1\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"auto\">FA Latex (high ammonia content)<\/span><\/li>\n<li data-leveltext=\"\u25cf\" data-font=\"Arial\" data-listid=\"2\" aria-setsize=\"-1\" data-aria-posinset=\"2\" data-aria-level=\"1\"><span data-contrast=\"auto\">LA Latex (low ammonia content)<\/span><\/li>\n<\/ul>\n<p>With regard to natural rubber (NR) variants, the product range comprises three main areas:<\/p>\n<ol>\n<li data-leveltext=\"%1.\" data-font=\"Arial\" data-listid=\"1\" aria-setsize=\"-1\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"none\">Technically Specified Rubber (TSR) <\/span><span data-contrast=\"auto\">is<\/span><span data-contrast=\"none\"> primarily used in the manufacture of tires.<\/span><\/li>\n<\/ol>\n<p><span data-contrast=\"none\">TSR is produced using NR latex. TSR has high tackiness, is easy to mix, and has low viscosity<\/span><span data-contrast=\"auto\">. <\/span><span data-contrast=\"none\">Its processing properties are exce<\/span><span data-contrast=\"auto\">llent, as are its physical properties.<\/span><\/p>\n<p><span data-contrast=\"none\">TSR is classified based on its purity. Wallace plasticity and PRI (<\/span><span data-contrast=\"auto\">P<\/span><span data-contrast=\"none\">lasticity <\/span><span data-contrast=\"auto\">R<\/span><span data-contrast=\"none\">etention <\/span><span data-contrast=\"auto\">I<\/span><span data-contrast=\"none\">ndex) are also important classification parameters. The most commonly used variants are those that have been classified TSR 10 and TSR 20.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559685&quot;:720,&quot;335559739&quot;:160,&quot;335559740&quot;:240}\">\u00a0<\/span><\/p>\n<p><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559685&quot;:720,&quot;335559739&quot;:160,&quot;335559740&quot;:240}\">\u00a0<\/span><\/p>\n<ol>\n<li data-leveltext=\"%1.\" data-font=\"Arial\" data-listid=\"1\" aria-setsize=\"-1\" data-aria-posinset=\"2\" data-aria-level=\"1\"><span data-contrast=\"none\">Ribbed Smoked Sheet<\/span> <span data-contrast=\"none\">(RSS<\/span><span data-contrast=\"auto\">)<\/span><span data-contrast=\"none\"> rubber are smoked NR sheets which have been processed from<\/span><span data-contrast=\"auto\"> U<\/span><span data-contrast=\"none\">nsmoked <\/span><span data-contrast=\"auto\">S<\/span><span data-contrast=\"none\">heets<\/span><span data-contrast=\"auto\"> (USS).<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:240}\">\u00a0<\/span><\/li>\n<\/ol>\n<p><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559685&quot;:720,&quot;335559739&quot;:160,&quot;335559740&quot;:240}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">RSS rubber<\/span> <span data-contrast=\"none\">is used in rubber blends as a raw material in the manufacture of many different products, e.g.<\/span> <span data-contrast=\"none\">car tires, conveyer belts, rubber hoses, shoes, and car components.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559685&quot;:720,&quot;335559739&quot;:160,&quot;335559740&quot;:240}\">\u00a0<\/span><\/p>\n<p><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559685&quot;:720,&quot;335559739&quot;:160,&quot;335559740&quot;:240}\">\u00a0<\/span><\/p>\n<ol>\n<li data-leveltext=\"%1.\" data-font=\"Arial\" data-listid=\"1\" aria-setsize=\"-1\" data-aria-posinset=\"3\" data-aria-level=\"1\"><span data-contrast=\"none\">Pale Crepe<\/span> <span data-contrast=\"none\">rubber<\/span> <span data-contrast=\"none\">is coagulated latex that has been rolled out into crinkly \u2018sheets\u2019<\/span><span data-contrast=\"auto\">. It<\/span><span data-contrast=\"none\"> is often used to produce shoe soles and boots, as well as for further-processed rubber products.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:240}\">\u00a0<\/span><\/li>\n<\/ol>\n<p><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559685&quot;:720,&quot;335559739&quot;:160,&quot;335559740&quot;:240}\">\u00a0<\/span><\/p>\n","protected":false},"featured_media":0,"parent":0,"template":"","class_list":["post-19799","material-rubber","type-material-rubber","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.erteco.se\/en\/wp-json\/wp\/v2\/material-rubber\/19799","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.erteco.se\/en\/wp-json\/wp\/v2\/material-rubber"}],"about":[{"href":"https:\/\/www.erteco.se\/en\/wp-json\/wp\/v2\/types\/material-rubber"}],"wp:attachment":[{"href":"https:\/\/www.erteco.se\/en\/wp-json\/wp\/v2\/media?parent=19799"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}