{"id":31965,"date":"2024-09-13T05:15:16","date_gmt":"2024-09-13T03:15:16","guid":{"rendered":"https:\/\/www.matrelec.com\/sealing-pouches\/"},"modified":"2026-01-30T17:48:22","modified_gmt":"2026-01-30T15:48:22","slug":"sealing-pouches","status":"publish","type":"page","link":"https:\/\/www.matrelec.com\/en\/sealing-pouches\/","title":{"rendered":"Sealing pouches"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"31965\" class=\"elementor elementor-31965 elementor-31256\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-690e593 e-flex e-con-boxed e-con e-parent\" data-id=\"690e593\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7dc85c8 elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"7dc85c8\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Sealing pouches<\/h1>\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<div class=\"elementor-element elementor-element-824269a e-flex e-con-boxed e-con e-parent\" data-id=\"824269a\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-518fce4 elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"518fce4\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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\">Frequently asked questions about pouch welding<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ab7c0d4 elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"ab7c0d4\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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>Both rigid and flexible plastic pouches are increasingly used in a growing number of fields. Welding is the most widely used method for assembling them, or simply for securing their closures, as it allows us to meet specific needs. <\/p><p>The sealing of bags or pouches requires the use of adapted machines to close or assemble them in specific environments. In the medical sector, blood bags must be sealed in an aseptic environment. In the packaging sector, pouches must be sealed to obtain an airtight container.  <\/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-5e6fb5a elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"5e6fb5a\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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\">What welding technologies are used for the pouches?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c817b08 elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"c817b08\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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>The main technologies used for high-speed, high-volume pouch welding are ultrasonic and high-frequency welding.<\/p><p>High-frequency (HF) welding enables plastic parts to be joined using an electromagnetic field. This technology relies on the application of high-frequency electrical energy to produce highly resistant welds. Products requiring HF welding include blood bags, protective covers, inflatables, streamers, etc.  <\/p><p>Ultrasonic pocket welding involves joining plastic components. As the name suggests, this technology relies on ultrasonic vibrations emitted by a sonotrode. This translates into an electric current with a frequency of 20 to 70 kHz, producing the molecular agitation required to join the parts. The resulting weld is both robust and durable.   <\/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-f38fb09 elementor-invisible elementor-widget elementor-widget-image\" data-id=\"f38fb09\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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=\"467\" height=\"467\" src=\"https:\/\/www.matrelec.com\/wp-content\/uploads\/2024\/09\/img-q-3.png\" class=\"attachment-full size-full wp-image-31894\" alt=\"\" srcset=\"https:\/\/www.matrelec.com\/wp-content\/uploads\/2024\/09\/img-q-3.png 467w, https:\/\/www.matrelec.com\/wp-content\/uploads\/2024\/09\/img-q-3-300x300.png 300w, https:\/\/www.matrelec.com\/wp-content\/uploads\/2024\/09\/img-q-3-150x150.png 150w\" sizes=\"(max-width: 467px) 100vw, 467px\" \/>\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 class=\"elementor-element elementor-element-66390b7 elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"66390b7\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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\">What types of pouches are welded together?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-13b9277 elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"13b9277\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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>Many industries use pouches that are assembled by welding. In office supplies, packaging and advertising packaging, the <strong>pouch sealing<\/strong> method is used to produce : <\/p><ul><li>Document protectors (commercial, medical),<\/li><li>Door views,<\/li><li><strong>Plastic sleeves<\/strong>,<\/li><li>Card protectors,<\/li><li>Cases and <strong>pouches<\/strong> in various sizes,<\/li><li>Adhesive or magnetic pockets,<\/li><li>Stiff coquettes,<\/li><li>Rigid boxes and cases,<\/li><li><strong>Single-seam pouches.<\/strong><\/li><\/ul><p>In the medical sector, pouches are either <strong>single-<\/strong> or double-seam <strong>welded<\/strong>. This assembly technique means that the pouches are welded on three sides. <\/p><p>The<strong> medical bags<\/strong> most frequently assembled by double welding are :<\/p><ul><li>Infusion bags,<\/li><li>Ostomy pouches,<\/li><li><strong>Blood bags.<\/strong><\/li><\/ul><p>In the press sector, <strong>the sealing of packaging blisters<\/strong> enables newspapers, magazines and journals to be folded and sent to their recipients.<\/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-53c730c elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"53c730c\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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\">What materials are welded together to make pouches?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bc90c37 elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"bc90c37\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" 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>Generally speaking, <strong>pouches<\/strong> are made from thermoplastics, which are the only materials capable of being welded together. Comprising 80% of the world&#8217;s plastics, they are assembled in this way: <\/p>\n<ul>\n<li>PVC (polyvinyl chloride),<\/li>\n<li>PET (polyethylene terephthalate),<\/li>\n<li>PP (Polypropylene),<\/li>\n<li>PS (Polystyrene).<\/li>\n<\/ul>\n<p>The dichotomy between flexible and rigid plastics lies mainly in their chemical formulation. Materials such as PET, PS, LDPE and PVC enable us to design flexible plastics. This characteristic means they can be used to manufacture packaging, tarpaulins, <strong>pouches<\/strong>, etc.  <\/p>\n<p>PP, HDPE and ABS (acrylonitrile-butadiene-styrene) are among the rigid plastics used to manufacture weldable parts for a wide range of industries.<\/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-d144e73 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"d144e73\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/shop.matrelec.com\/fr\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-right\" viewBox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M285.476 272.971L91.132 467.314c-9.373 9.373-24.569 9.373-33.941 0l-22.667-22.667c-9.357-9.357-9.375-24.522-.04-33.901L188.505 256 34.484 101.255c-9.335-9.379-9.317-24.544.04-33.901l22.667-22.667c9.373-9.373 24.569-9.373 33.941 0L285.475 239.03c9.373 9.372 9.373 24.568.001 33.941z\"><\/path><\/svg>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Discover our online store<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\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<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Frequently asked questions about pouch welding Both rigid and flexible plastic pouches are increasingly used in a growing number of fields. Welding is the most widely used method for assembling them, or simply for securing their closures, as it allows us to meet specific needs. The sealing of bags or pouches requires the use of [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-31965","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.matrelec.com\/en\/wp-json\/wp\/v2\/pages\/31965","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.matrelec.com\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.matrelec.com\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.matrelec.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.matrelec.com\/en\/wp-json\/wp\/v2\/comments?post=31965"}],"version-history":[{"count":4,"href":"https:\/\/www.matrelec.com\/en\/wp-json\/wp\/v2\/pages\/31965\/revisions"}],"predecessor-version":[{"id":38124,"href":"https:\/\/www.matrelec.com\/en\/wp-json\/wp\/v2\/pages\/31965\/revisions\/38124"}],"wp:attachment":[{"href":"https:\/\/www.matrelec.com\/en\/wp-json\/wp\/v2\/media?parent=31965"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}