{"id":2090,"date":"2026-02-28T17:39:34","date_gmt":"2026-02-28T09:39:34","guid":{"rendered":"https:\/\/plastic-machines.org\/?post_type=info&#038;p=2090"},"modified":"2026-07-20T11:21:32","modified_gmt":"2026-07-20T03:21:32","slug":"what-additives-are-used-in-pet-hot-washing","status":"publish","type":"info","link":"https:\/\/plastic-machines.org\/zh\/info\/what-additives-are-used-in-pet-hot-washing\/","title":{"rendered":"PET\u70ed\u6d17\u4e2d\u4f7f\u7528\u4e86\u54ea\u4e9b\u6dfb\u52a0\u5242\uff1f"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Water and heat are only part of the equation. To achieve deep cleaning, you need the right <strong>PET washing chemicals<\/strong>. In a professional <a href=\"https:\/\/plastic-machines.org\/zh\/product\/pet-flakes-hot-washing-machine\/\">hot wash cycle<\/a>, two main components are used to transform dirty plastic into high-value raw material.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Caustic Soda (Sodium Hydroxide &#8211; NaOH):<\/strong>&nbsp;Usually added at a concentration of 1% to 2%. Its primary role is to saponify oils and dissolve the adhesives used for labels. It effectively &#8220;strips&#8221; the contaminants from the PET surface.<\/li>\n\n\n\n<li><strong>\u4e13\u7528\u6d17\u6da4\u5242\/\u8868\u9762\u6d3b\u6027\u5242\uff1a<\/strong>&nbsp;\u867d\u7136\u82db\u6027\u94a0\u627f\u62c5\u4e86\u4e3b\u8981\u5de5\u4f5c\uff0c\u4f46\u8868\u9762\u6d3b\u6027\u5242\u6709\u52a9\u4e8e\u60ac\u6d6e\u677e\u52a8\u7684\u6c61\u57a2\u548c\u6cb9\u8102\u5728\u6c34\u4e2d\uff0c\u9632\u6b62\u5b83\u4eec\u91cd\u65b0\u9644\u7740\u5728\u788e\u7247\u4e0a\u3002<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Proper dosing of these <strong>cleaning additives<\/strong> is critical. Too little, and the flakes remain oily; too much, and you increase your wastewater treatment costs. If you are interested in the <a href=\"https:\/\/plastic-machines.org\/zh\/product\/pet-bottle-recycling-line\/\">PET bottle recycling process<\/a>, feel free to contaact us, our engineer will ensure you use exactly what you need for maximum efficiency.<\/p>","protected":false},"excerpt":{"rendered":"<p>Water and heat are only part of the equation. To achieve deep cleaning, you need the right PET washing chemicals. In a professional hot wash cycle, two main components are used to transform dirty plastic into high-value raw material. Proper dosing of these cleaning additives is critical. Too little, and the flakes remain oily; too [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"template":"","tags":[35],"info-type":[33,11],"class_list":["post-2090","info","type-info","status-publish","hentry","tag-pet","info-type-blog","info-type-news"],"taxonomy_info":{"post_tag":[{"value":35,"label":"PET"}],"info-type":[{"value":33,"label":"Blog"},{"value":11,"label":"News"}]},"featured_image_src_large":false,"author_info":{"display_name":"Ella","author_link":"https:\/\/plastic-machines.org\/zh\/author\/admin\/"},"comment_info":"","_links":{"self":[{"href":"https:\/\/plastic-machines.org\/zh\/wp-json\/wp\/v2\/info\/2090","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/plastic-machines.org\/zh\/wp-json\/wp\/v2\/info"}],"about":[{"href":"https:\/\/plastic-machines.org\/zh\/wp-json\/wp\/v2\/types\/info"}],"author":[{"embeddable":true,"href":"https:\/\/plastic-machines.org\/zh\/wp-json\/wp\/v2\/users\/1"}],"wp:attachment":[{"href":"https:\/\/plastic-machines.org\/zh\/wp-json\/wp\/v2\/media?parent=2090"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/plastic-machines.org\/zh\/wp-json\/wp\/v2\/tags?post=2090"},{"taxonomy":"info-type","embeddable":true,"href":"https:\/\/plastic-machines.org\/zh\/wp-json\/wp\/v2\/info-type?post=2090"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}