{"id":2090,"date":"2026-02-28T17:39:34","date_gmt":"2026-02-28T09:39:34","guid":{"rendered":"https:\/\/plastic-machines.org\/?post_type=info&p=2090"},"modified":"2026-02-28T17:39:56","modified_gmt":"2026-02-28T09:39:56","slug":"what-additives-are-used-in-pet-hot-washing","status":"publish","type":"info","link":"https:\/\/plastic-machines.org\/vi\/info\/what-additives-are-used-in-pet-hot-washing\/","title":{"rendered":"C\u00e1c ch\u1ea5t ph\u1ee5 gia n\u00e0o \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong R\u1eeda N\u00f3ng PET"},"content":{"rendered":"

N\u01b0\u1edbc v\u00e0 nhi\u1ec7t ch\u1ec9 l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a ph\u01b0\u01a1ng tr\u00ecnh. \u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c vi\u1ec7c l\u00e0m s\u1ea1ch s\u00e2u, b\u1ea1n c\u1ea7n c\u00e1c h\u00f3a ch\u1ea5t r\u1eeda PET ph\u00f9 h\u1ee3p. Trong m\u1ed9t chu tr\u00ecnh r\u1eeda n\u00f3ng chuy\u00ean nghi\u1ec7p, c\u00f3 hai th\u00e0nh ph\u1ea7n ch\u00ednh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 bi\u1ebfn nh\u1ef1a b\u1ea9n th\u00e0nh nguy\u00ean li\u1ec7u th\u00f4 c\u00f3 gi\u00e1 tr\u1ecb cao.<\/p>

  1. Caustic Soda (Sodium Hydroxide – NaOH):<\/strong>\u00a0Usually added at a concentration of 1% to 2%. Its primary role is to saponify oils and dissolve the adhesives used for labels. It effectively “strips” the contaminants from the PET surface.<\/li>
  2. Ch\u1ea5t t\u1ea9y r\u1eeda\/Ch\u1ea5t ho\u1ea1t \u0111\u1ed9ng b\u1ec1 m\u1eb7t chuy\u00ean d\u1ee5ng:<\/strong>\u00a0Trong khi soda caustic \u0111\u1ea3m nh\u1eadn ph\u1ea7n n\u1eb7ng, m\u1ed9t ch\u1ea5t ho\u1ea1t \u0111\u1ed9ng b\u1ec1 m\u1eb7t gi\u00fap t\u1ea1m gi\u1eef b\u1ee5i b\u1ea9n v\u00e0 d\u1ea7u m\u1ee1 \u0111\u00e3 \u0111\u01b0\u1ee3c l\u00e0m l\u1ecfng trong n\u01b0\u1edbc, ng\u0103n ch\u00fang t\u00e1i b\u00e1m v\u00e0o c\u00e1c m\u1ea3nh v\u1ee5n.<\/li> <\/ol>

    Vi\u1ec7c \u0111\u1ecbnh l\u01b0\u1ee3ng \u0111\u00fang c\u00e1c ch\u1ea5t ph\u1ee5 gia l\u00e0m s\u1ea1ch<\/strong> n\u00e0y l\u00e0 r\u1ea5t quan tr\u1ecdng. Qu\u00e1 \u00edt, c\u00e1c m\u1ea3nh v\u1ee5n v\u1eabn c\u00f2n d\u1ea7u; qu\u00e1 nhi\u1ec1u, b\u1ea1n s\u1ebd t\u0103ng chi ph\u00ed x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i. N\u1ebfu b\u1ea1n quan t\u00e2m \u0111\u1ebfn quy tr\u00ecnh t\u00e1i ch\u1ebf chai PET<\/a>, h\u00e3y li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i, k\u1ef9 s\u01b0 c\u1ee7a ch\u00fang t\u00f4i s\u1ebd \u0111\u1ea3m b\u1ea3o b\u1ea1n s\u1eed d\u1ee5ng ch\u00ednh x\u00e1c nh\u1eefng g\u00ec b\u1ea1n c\u1ea7n \u0111\u1ec3 \u0111\u1ea1t hi\u1ec7u qu\u1ea3 t\u1ed1i \u0111a.<\/p>

    <\/p>","protected":false},"excerpt":{"rendered":"

    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 […]<\/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\/vi\/author\/admin\/"},"comment_info":"","_links":{"self":[{"href":"https:\/\/plastic-machines.org\/vi\/wp-json\/wp\/v2\/info\/2090","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/plastic-machines.org\/vi\/wp-json\/wp\/v2\/info"}],"about":[{"href":"https:\/\/plastic-machines.org\/vi\/wp-json\/wp\/v2\/types\/info"}],"author":[{"embeddable":true,"href":"https:\/\/plastic-machines.org\/vi\/wp-json\/wp\/v2\/users\/1"}],"wp:attachment":[{"href":"https:\/\/plastic-machines.org\/vi\/wp-json\/wp\/v2\/media?parent=2090"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/plastic-machines.org\/vi\/wp-json\/wp\/v2\/tags?post=2090"},{"taxonomy":"info-type","embeddable":true,"href":"https:\/\/plastic-machines.org\/vi\/wp-json\/wp\/v2\/info-type?post=2090"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}