{"id":7231,"date":"2020-05-18T09:09:49","date_gmt":"2020-05-18T07:09:49","guid":{"rendered":"https:\/\/greenuso.com\/blog\/de-donde-sale-el-carton\/"},"modified":"2020-05-25T13:05:06","modified_gmt":"2020-05-25T11:05:06","slug":"where-the-cardboard-comes-from","status":"publish","type":"post","link":"https:\/\/www.greenuso.com\/blog\/where-the-cardboard-comes-from\/","title":{"rendered":"Where does the cardboard come from?"},"content":{"rendered":"<p><strong>Cardboard is one of the most widely used materials worldwide<\/strong>, along with plastic and paper, but we usually do not know where the cardboard comes from and what its manufacturing process is.<\/p>\n<p>With the cardboard different products are made like the boxes that help to protect objects or food. It is a clean, ecological, resistant and durable material.<\/p>\n<p>Thanks to its characteristics, it is considered a recyclable and reusable material, so it can be considered environmentally friendly.<\/p>\n<p>A cardboard box can be reused to store new objects, make crafts. When they are <strong>thrown away, they go to the blue recycling container <\/strong>so that the processing companies can obtain the cellulose fibre and manufacture new cardboard products.<\/p>\n<p>In this article we will explain where cardboard comes from, manufacturing materials and the steps companies follow to obtain it.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 ez-toc-wrap-center counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Content<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999999;color:#999999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999999;color:#999999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.greenuso.com\/blog\/where-the-cardboard-comes-from\/#What_is_cardboard\" >What is cardboard?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.greenuso.com\/blog\/where-the-cardboard-comes-from\/#Characteristics_of_the_cardboard\" >Characteristics of the cardboard<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.greenuso.com\/blog\/where-the-cardboard-comes-from\/#Grammage\" >Grammage<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.greenuso.com\/blog\/where-the-cardboard-comes-from\/#Thickness\" >Thickness<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.greenuso.com\/blog\/where-the-cardboard-comes-from\/#Density_and_calibre\" >Density and calibre<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.greenuso.com\/blog\/where-the-cardboard-comes-from\/#Durability_of_cardboard\" >Durability of cardboard<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.greenuso.com\/blog\/where-the-cardboard-comes-from\/#Stiffness\" >Stiffness<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.greenuso.com\/blog\/where-the-cardboard-comes-from\/#Adaptability\" >Adaptability<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.greenuso.com\/blog\/where-the-cardboard-comes-from\/#Sustainable_and_recyclable\" >Sustainable and recyclable<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.greenuso.com\/blog\/where-the-cardboard-comes-from\/#Manufacturing_process_Where_does_the_cardboard_come_from\" >Manufacturing process Where does the cardboard come from?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.greenuso.com\/blog\/where-the-cardboard-comes-from\/#Obtaining_raw_material\" >Obtaining raw material<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.greenuso.com\/blog\/where-the-cardboard-comes-from\/#Kraft_process\" >Kraft process<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.greenuso.com\/blog\/where-the-cardboard-comes-from\/#Machine_where_the_corrugated_cardboard_comes_from\" >Machine where the corrugated cardboard comes from<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.greenuso.com\/blog\/where-the-cardboard-comes-from\/#Gluing\" >Gluing<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.greenuso.com\/blog\/where-the-cardboard-comes-from\/#Cardboard_recycling\" >Cardboard recycling<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"What_is_cardboard\"><\/span>What is cardboard?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-7201\" src=\"https:\/\/greenuso.com\/blog\/wp-content\/uploads\/\/Que\u0301-es-el-carto\u0301n-1024x536.jpg\" alt=\"\u00bfQu\u00e9 es el cart\u00f3n?\" width=\"1024\" height=\"536\" srcset=\"https:\/\/www.greenuso.com\/blog\/wp-content\/uploads\/Que\u0301-es-el-carto\u0301n-1024x536.jpg 1024w, https:\/\/www.greenuso.com\/blog\/wp-content\/uploads\/Que\u0301-es-el-carto\u0301n-300x157.jpg 300w, https:\/\/www.greenuso.com\/blog\/wp-content\/uploads\/Que\u0301-es-el-carto\u0301n-768x402.jpg 768w, https:\/\/www.greenuso.com\/blog\/wp-content\/uploads\/Que\u0301-es-el-carto\u0301n-75x39.jpg 75w, https:\/\/www.greenuso.com\/blog\/wp-content\/uploads\/Que\u0301-es-el-carto\u0301n-150x79.jpg 150w, https:\/\/www.greenuso.com\/blog\/wp-content\/uploads\/Que\u0301-es-el-carto\u0301n-512x268.jpg 512w, https:\/\/www.greenuso.com\/blog\/wp-content\/uploads\/Que\u0301-es-el-carto\u0301n.jpg 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<p>Cardboard is a material obtained from the processing of <strong>cellulose pulp, which comes from pulpable wood trees<\/strong>. It can also be made from the extraction of cellulose from recycled paper or cardboard.<\/p>\n<p>The wood used to extract the cellulose fibre is from trees such as pine, eucalyptus, larch, spruce and fir. These trees are ideal for their rapid growth.<\/p>\n<p>The cardboard is made by <strong>placing several layers of the paper made of cellulose fiber<\/strong>, interspersed and arranged one over the other.<\/p>\n<p>By having several layers, the cardboard is stronger and more durable. In addition, in the manufacture of cardboard, there is a tendency to alternate a layer of smooth paper with a corrugated one to create more firmness.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Characteristics_of_the_cardboard\"><\/span>Characteristics of the cardboard<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-7208\" src=\"https:\/\/greenuso.com\/blog\/wp-content\/uploads\/\/Caracteri\u0301sticas-del-carto\u0301n-1024x536.jpg\" alt=\"Caracter\u00edsticas del cart\u00f3n\" width=\"1024\" height=\"536\" srcset=\"https:\/\/www.greenuso.com\/blog\/wp-content\/uploads\/Caracteri\u0301sticas-del-carto\u0301n-1024x536.jpg 1024w, https:\/\/www.greenuso.com\/blog\/wp-content\/uploads\/Caracteri\u0301sticas-del-carto\u0301n-300x157.jpg 300w, https:\/\/www.greenuso.com\/blog\/wp-content\/uploads\/Caracteri\u0301sticas-del-carto\u0301n-768x402.jpg 768w, https:\/\/www.greenuso.com\/blog\/wp-content\/uploads\/Caracteri\u0301sticas-del-carto\u0301n-75x39.jpg 75w, https:\/\/www.greenuso.com\/blog\/wp-content\/uploads\/Caracteri\u0301sticas-del-carto\u0301n-150x79.jpg 150w, https:\/\/www.greenuso.com\/blog\/wp-content\/uploads\/Caracteri\u0301sticas-del-carto\u0301n-512x268.jpg 512w, https:\/\/www.greenuso.com\/blog\/wp-content\/uploads\/Caracteri\u0301sticas-del-carto\u0301n.jpg 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<p>Regardless of where the cardboard comes from or its type, the thickness and volume they have when they are manufactured will determine their use and the weight they can withstand.<\/p>\n<p>In addition, cardboard <strong>has other characteristics that determine its quality and reliability as a material<\/strong>.<\/p>\n<p>These particularities are:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Grammage\"><\/span>Grammage<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Grammage is the measure used to express the weight of the cardboard. <strong>The weight of the cardboard is established in grams per square meter.<\/strong><\/p>\n<p>The cardboard that is produced to make boxes or other types of packaging, for example, must have a weight of between 160 and 600 grams per square metre. So that they are resistant to the weight.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Thickness\"><\/span>Thickness<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The thickness of the cardboard sheets is the distance between its two faces. <strong>It is measured in thousandths of a millimetre.<\/strong><\/p>\n<p>The objects made from the cardboard sheets are between 300 and 800 thousandths of a millimeter thick.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Density_and_calibre\"><\/span>Density and calibre<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The density of the board refers to the level of compression to which it is subjected. <strong>Density is expressed in kilograms over cubic meters.<\/strong><\/p>\n<p>As for the calibre, it expresses the surface of the cardboard expressed in square metres per 10 kilograms.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Durability_of_cardboard\"><\/span>Durability of cardboard<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Due to the characteristics of the cellulose fiber from which the cardboard comes from and the process of its elaboration, a material is obtained that has a resistance and the capacity to be used for a long time.<\/p>\n<p><strong>Resins are<\/strong> also <strong>used to cover the cardboard and make it waterproof<\/strong>. For specific uses, special treatments are applied to prevent the growth of fungi and mold.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Stiffness\"><\/span>Stiffness<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Cardboard has the ability to retain its shape even when lifted by one of its edges with weight inside. It also tends to return to its initial position when folded.<\/p>\n<p><strong>This is related to thickness and weight. <\/strong>The thicker the cardboard, the greater its rigidity. On the other hand, the weight can vary according to the weight and the surface of the cardboard.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Adaptability\"><\/span>Adaptability<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Cardboard is a versatile material that can be used to make products, such as boxes, that can be reused for other purposes.<\/p>\n<p><strong>Prints can be made on <\/strong>the cardboard, so anyone who buys it can give it their personal touch and make multiple objects from the virgin cardboard.<\/p>\n<p>Finally, as it is a light material, it can be used to make different crafts.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Sustainable_and_recyclable\"><\/span>Sustainable and recyclable<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Cardboard<strong> is a material that can be reused because of its resistance and durability<\/strong>, and after it has reached its useful life it is discarded in the blue recycling container to create new cardboards.<\/p>\n<p>During the manufacturing and procurement process, only 40% of carbon dioxide is emitted into the environment, and a smaller percentage is produced from recycled cardboard.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Manufacturing_process_Where_does_the_cardboard_come_from\"><\/span>Manufacturing process Where does the cardboard come from?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-7215\" src=\"https:\/\/greenuso.com\/blog\/wp-content\/uploads\/\/Proceso-de-fabricacio\u0301n-De-do\u0301nde-sale-el-carto\u0301n-1024x536.jpg\" alt=\"Proceso de fabricaci\u00f3n \u00bfDe d\u00f3nde sale el cart\u00f3n?\" width=\"1024\" height=\"536\" srcset=\"https:\/\/www.greenuso.com\/blog\/wp-content\/uploads\/Proceso-de-fabricacio\u0301n-De-do\u0301nde-sale-el-carto\u0301n-1024x536.jpg 1024w, https:\/\/www.greenuso.com\/blog\/wp-content\/uploads\/Proceso-de-fabricacio\u0301n-De-do\u0301nde-sale-el-carto\u0301n-300x157.jpg 300w, https:\/\/www.greenuso.com\/blog\/wp-content\/uploads\/Proceso-de-fabricacio\u0301n-De-do\u0301nde-sale-el-carto\u0301n-768x402.jpg 768w, https:\/\/www.greenuso.com\/blog\/wp-content\/uploads\/Proceso-de-fabricacio\u0301n-De-do\u0301nde-sale-el-carto\u0301n-75x39.jpg 75w, https:\/\/www.greenuso.com\/blog\/wp-content\/uploads\/Proceso-de-fabricacio\u0301n-De-do\u0301nde-sale-el-carto\u0301n-150x79.jpg 150w, https:\/\/www.greenuso.com\/blog\/wp-content\/uploads\/Proceso-de-fabricacio\u0301n-De-do\u0301nde-sale-el-carto\u0301n-512x268.jpg 512w, https:\/\/www.greenuso.com\/blog\/wp-content\/uploads\/Proceso-de-fabricacio\u0301n-De-do\u0301nde-sale-el-carto\u0301n.jpg 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<p>Cardboard is a simple material to obtain and its manufacturing process is economical, making it ideal for <strong>packaging products and making other objects<\/strong>.<\/p>\n<p>After finishing the process of obtaining the cardboard, they are sent to companies that make objects with the cardboard or boxes are manufactured in the same industries.<\/p>\n<p><strong>Next, the steps that where the cardboard comes from<\/strong> that is used daily are:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Obtaining_raw_material\"><\/span>Obtaining raw material<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Pulpwood trees are cut down for wood. <strong>That wood is processed and cellulose fibre is manufactured.<\/strong><\/p>\n<p>Pine and eucalyptus trees, two fast-growing species of trees, are preferred for the manufacture of cardboard, making them ideal for the manufacture of cardboard.<\/p>\n<p><strong>When<\/strong> paper and cardboard companies cut <strong>down a tree &#8211; where the cardboard comes from &#8211; they have to plant three more<\/strong>, so there is no deforestation of the forests.<\/p>\n<p>In addition to the trees, the cardboard thrown in the recycling points is collected to be reused.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Kraft_process\"><\/span>Kraft process<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>In this process the tree trunks are cut into small pieces. <strong>These pieces are processed in shredders.<\/strong><\/p>\n<p>These shredder pumps are high pressure tanks that dissolve one of the fibers of the wood called lignin, and then clean and refine them.<\/p>\n<p>When refined, the wood is placed in a Fourdrinier machine to <strong>start the cardboard making process<\/strong>, by flattening the cellulose fiber creating a long paper strip.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Machine_where_the_corrugated_cardboard_comes_from\"><\/span>Machine where the corrugated cardboard comes from<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The corrugating machines are 91 cm long. They have large rolls that corrugate the paper obtained from the Fourdrinier machines.<\/p>\n<p>The machine contains <strong>a roller that preheats the paper and a corrugating roller<\/strong> that has grooves to fold the paper and make the corrugated board.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Gluing\"><\/span>Gluing<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The cardboard, which comes from the machine where the corrugated cardboard comes from beforehand, is <strong>placed between two layers of paper in the form of a roll<\/strong>.<\/p>\n<p>When the cardboard is joined to the two sheets of kraft paper, they are glued with starch glue and flattened with rollers so that it remains firm and does not come off.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cardboard_recycling\"><\/span>Cardboard recycling<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-7222\" src=\"https:\/\/greenuso.com\/blog\/wp-content\/uploads\/\/Reciclaje-del-carto\u0301n-1024x536.jpg\" alt=\"Reciclaje del cart\u00f3n\" width=\"1024\" height=\"536\" srcset=\"https:\/\/www.greenuso.com\/blog\/wp-content\/uploads\/Reciclaje-del-carto\u0301n-1024x536.jpg 1024w, https:\/\/www.greenuso.com\/blog\/wp-content\/uploads\/Reciclaje-del-carto\u0301n-300x157.jpg 300w, https:\/\/www.greenuso.com\/blog\/wp-content\/uploads\/Reciclaje-del-carto\u0301n-768x402.jpg 768w, https:\/\/www.greenuso.com\/blog\/wp-content\/uploads\/Reciclaje-del-carto\u0301n-75x39.jpg 75w, https:\/\/www.greenuso.com\/blog\/wp-content\/uploads\/Reciclaje-del-carto\u0301n-150x79.jpg 150w, https:\/\/www.greenuso.com\/blog\/wp-content\/uploads\/Reciclaje-del-carto\u0301n-512x268.jpg 512w, https:\/\/www.greenuso.com\/blog\/wp-content\/uploads\/Reciclaje-del-carto\u0301n.jpg 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<p>In Spain, more than 47% of the waste in recycling containers belongs to the blue container that includes paper and cardboard. Thanks to this, <strong>more than one million tonnes of paper are recycled<\/strong> in the manufacture of new paper.<\/p>\n<p>The paper and cardboard that reach the green points where they are separated and sent to industries of companies that produce these items.<\/p>\n<p><strong>Cardboard can only be recycled six times to produce new<\/strong> cardboard, because the cellulose fibers go through a process in which they are cut and frayed to obtain the paper from which the cardboard comes.<\/p>\n<p>This causes the fibre to get smaller and lose its strength, so the paper made with these fibres could break during the manufacturing process.<\/p>\n<p><strong>There are<\/strong> also <strong>companies that combine new cellulose pulp with recycled cardboard pulp to obtain a good result<\/strong> and reuse the cardboard more to make a positive contribution to the environment.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Cardboard is one of the most widely used materials worldwide, along with plastic and paper, but we usually do not know where the cardboard comes from and what its manufacturing pro\u2026<\/p>\n","protected":false},"author":2,"featured_media":7195,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_crdt_document":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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