{"id":11033,"date":"2024-05-14T11:32:14","date_gmt":"2024-05-14T09:32:14","guid":{"rendered":"https:\/\/pub.ingede.com\/?page_id=11033"},"modified":"2025-09-02T13:14:12","modified_gmt":"2025-09-02T11:14:12","slug":"iso-21993-deinkability-test","status":"publish","type":"page","link":"https:\/\/pub.ingede.com\/en\/iso-21993-deinkability-test\/","title":{"rendered":"ISO 21993: Deinkability Test"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"11033\" class=\"elementor elementor-11033\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-b12dbe4 elementor-section-stretched elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b12dbe4\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;stretch_section&quot;:&quot;section-stretched&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-9205031\" data-id=\"9205031\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-bd46c19 elementor-widget elementor-widget-text-editor\" data-id=\"bd46c19\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><ul class=\"bogo-language-switcher list-view\"><li class=\"de-DE de first\"><span class=\"bogoflags bogoflags-de\"><\/span> <span class=\"bogo-language-name\"><a rel=\"alternate\" hreflang=\"de-DE\" href=\"https:\/\/pub.ingede.com\/wp-json\/wp\/v2\/pages\/11033\/\" title=\"German\">Deutsch<\/a><\/span><\/li>\n<li class=\"en-GB en current last\"><span class=\"bogoflags bogoflags-gb\"><\/span> <span class=\"bogo-language-name\"><a rel=\"alternate\" hreflang=\"en-GB\" href=\"https:\/\/pub.ingede.com\/en\/wp-json\/wp\/v2\/pages\/11033\/\" title=\"English\" class=\"current\" aria-current=\"page\">English<\/a><\/span><\/li>\n<\/ul><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9edc628 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"9edc628\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t<div class=\"elementor-element elementor-element-649a042 e-flex e-con-boxed e-con e-parent\" data-id=\"649a042\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-8b1feab e-con-full e-flex e-con e-child\" data-id=\"8b1feab\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-68bad8a elementor-widget elementor-widget-image\" data-id=\"68bad8a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/pub.ingede.com\/wp-content\/uploads\/2024\/05\/ISO_Logo.jpg\" class=\"attachment-large size-large wp-image-11035\" alt=\"\" srcset=\"https:\/\/pub.ingede.com\/wp-content\/uploads\/2024\/05\/ISO_Logo.jpg 300w, https:\/\/pub.ingede.com\/wp-content\/uploads\/2024\/05\/ISO_Logo-150x150.jpg 150w, https:\/\/pub.ingede.com\/wp-content\/uploads\/2024\/05\/ISO_Logo-70x70.jpg 70w, https:\/\/pub.ingede.com\/wp-content\/uploads\/2024\/05\/ISO_Logo-127x127.jpg 127w, https:\/\/pub.ingede.com\/wp-content\/uploads\/2024\/05\/ISO_Logo-125x125.jpg 125w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ff34b06 e-con-full e-flex e-con e-child\" data-id=\"ff34b06\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a8633f7 elementor-widget elementor-widget-image\" data-id=\"a8633f7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.iso.org\/obp\/ui\/#iso:std:iso:21993:ed-1:v1:en\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"640\" height=\"360\" src=\"https:\/\/pub.ingede.com\/wp-content\/uploads\/2020\/04\/Front-page-ISO_21993_2020-800.jpg\" class=\"attachment-large size-large wp-image-3996\" alt=\"\" srcset=\"https:\/\/pub.ingede.com\/wp-content\/uploads\/2020\/04\/Front-page-ISO_21993_2020-800.jpg 800w, https:\/\/pub.ingede.com\/wp-content\/uploads\/2020\/04\/Front-page-ISO_21993_2020-800-300x169.jpg 300w, https:\/\/pub.ingede.com\/wp-content\/uploads\/2020\/04\/Front-page-ISO_21993_2020-800-768x432.jpg 768w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-c2cbd63 elementor-section-stretched elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"c2cbd63\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;stretch_section&quot;:&quot;section-stretched&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-74d1e69\" data-id=\"74d1e69\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b736247 elementor-widget elementor-widget-heading\" data-id=\"b736247\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">ISO 21993:2020 Paper and pulp \u2014 Deinkability test for printed paper products<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-715151b elementor-section-stretched elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"715151b\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;stretch_section&quot;:&quot;section-stretched&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-c921a41\" data-id=\"c921a41\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d6b00c8 elementor-widget elementor-widget-text-editor\" data-id=\"d6b00c8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h6>The two key steps are ink detachment and ink removal<\/h6><div class=\"sts-p\"><strong>Good deinkability of printed paper products is crucial<\/strong> for the sustainability of the graphic paper loop. The key process steps for deinking are the detachment of the ink film from the paper, ink fragmentation into a suitable size range and removal from the pulp slurry. Flotation deinking under alkaline conditions is the most widely used technology for ink removal in the paper recycling process. A wider range of the process pH may be utilised for separately collected printed products on predominantly woodfree substrates.<\/div><div>\u00a0<\/div><div class=\"sts-p\">A simplified method herein has been developed to simulate the principle process steps for ink detachment and ink removal under standardised alkaline conditions at a laboratory scale. This gives an indication on how print products will perform in an industrial deinking operation. The method defined in this document is based on <strong>INGEDE Method 11<\/strong>. When the first version of INGEDE Method 11 was published, the deinking industry was predominantly using wood-containing raw material. INGEDE Method 11 is widely used by the paper industry and by many stakeholders in the paper value chain.<\/div><div>\u00a0<\/div><div class=\"sts-p\"><strong>The method is not designed to model additional or alternative process steps<\/strong>, such as dispersing, post-flotation, washing and bleaching. Cleaning and screening stages, which are designed to remove impurities and unwanted materials in the industrial process, are also not included in this method. An alternative deinking test method with near\u2010neutral or neutral flotation conditions may be suitable for paper products mainly consisting of woodfree pulp fibres. However, the near\u2010neutral or neutral flotation conditions are not within the scope of this document.<\/div><h6>A method to estimate the challenge of a print product to the deinking process<\/h6><div><p>This document specifies <strong>a basic laboratory test method for deinkability<\/strong>, applicable to any kind of printed paper product, under alkaline conditions using single-stage flotation deinking and fatty acid-based collector chemistry.<\/p><\/div><div>The method is meant to evaluate the relative challenges a printed product means in the deinking process, consisting of the basic two steps: the release of ink from the fibre and the concurrent removal of the ink from the system. The evaluation of the results needs a matching scorecard. The Deinkability Scorecard of the European Paper Recycling Council refers to results achieved with INGEDE Method 11 and can also be used to evaluate results from a test according to ISO 21993.<\/div><div>\u00a0<\/div><div><b><a href=\"https:\/\/www.iso.org\/obp\/ui\/#iso:std:iso:21993:ed-1:v1:en\">You can buy the ISO standard here<\/a><\/b>.<\/div><div class=\"sts-p\">\u00a0<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dabe60c elementor-widget elementor-widget-text-editor\" data-id=\"dabe60c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Evaluation<\/strong><\/p><div>\u00a0<\/div><div><b><a href=\"https:\/\/www.iso.org\/obp\/ui\/#iso:std:iso:21993:ed-1:v1:en\">You can download the INGEDE xl sheet\u00a0 here<\/a><\/b>.<\/div><div class=\"sts-p\">\u00a0<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c7b270d elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"c7b270d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-060415b elementor-widget elementor-widget-text-editor\" data-id=\"060415b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><em>If you have any questions, do not hesitate to <a href=\"http:\/\/ingede.com\/ingindxe\/contact.html\">contact<\/a> us!<\/em><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7115924 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"7115924\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>ISO 21993:2020 Paper and pulp \u2014 Deinkability test for printed paper products The two key steps are ink detachment and ink removal Good deinkability of printed paper products is crucial for the sustainability of the graphic paper loop. The key process steps for deinking are the detachment of the ink film from the paper, ink&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":14,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_locale":"en_GB","_original_post":"https:\/\/pub.ingede.com\/?page_id=11033","footnotes":""},"class_list":["post-11033","page","type-page","status-publish","hentry","en-GB"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>ISO 21993: Deinkability Test &#8211; Welcome to INGEDE<\/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:\/\/pub.ingede.com\/en\/iso-21993-deinkability-test\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ISO 21993: Deinkability Test &#8211; Welcome to INGEDE\" \/>\n<meta property=\"og:description\" content=\"ISO 21993:2020 Paper and pulp \u2014 Deinkability test for printed paper products The two key steps are ink detachment and ink removal Good deinkability of printed paper products is crucial for the sustainability of the graphic paper loop. 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