{"id":77891,"date":"2024-04-04T14:00:51","date_gmt":"2024-04-04T12:00:51","guid":{"rendered":"https:\/\/botland.com.pl\/blog\/?p=77891"},"modified":"2026-04-08T10:59:33","modified_gmt":"2026-04-08T08:59:33","slug":"shrink-tubing-what-is-it-and-what-is-it-used-for","status":"publish","type":"post","link":"https:\/\/botland.store\/blog\/shrink-tubing-what-is-it-and-what-is-it-used-for\/","title":{"rendered":"Shrink tubing &#8211; what is it and what is it used for?"},"content":{"rendered":"<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading time:<\/span> <span class=\"rt-time\"> 4<\/span> <span class=\"rt-label rt-postfix\">min.<\/span><\/span>\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"77891\" class=\"elementor elementor-77891 elementor-73367\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-54e02fff elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"54e02fff\" data-element_type=\"section\" data-e-type=\"section\">\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-105a2b22\" data-id=\"105a2b22\" 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-af94473 elementor-widget elementor-widget-heading\" data-id=\"af94473\" 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\">What is shrink tubing?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-441eac4 elementor-widget elementor-widget-text-editor\" data-id=\"441eac4\" 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>Heat shrink <strong><a href=\"https:\/\/botland.store\/104-shrink-tubes\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\">tubing<\/a>,<\/strong> also known as heat shrink <strong>film<\/strong> or <strong>heat sh<\/strong> rink tubing for cables, is a type of plastic tube that shrinks when exposed to heat. The name refers to the fact that the tubes are designed to become rigid when heat is applied, providing a durable protective coating. Heat shrink tubing can be found in both ad hoc, domestic applications and professional installations. Here are some of them:<\/p><ul style=\"font-size: 16px; background-color: #ffffff;\"><li style=\"font-size: 16px;\">Electrical insulation &#8211; for example, to repair a damaged or exposed section of wire.<\/li><li style=\"font-size: 16px;\">Protection &#8211; from dust, chemicals or moisture.<\/li><li style=\"font-size: 16px;\">Reinforcement &#8211; reducing the stress exerted by stressed cables.<\/li><li style=\"font-size: 16px;\">Combining multiple wires into a single unit.<\/li><li style=\"font-size: 16px;\">Identification &#8211; a wide range of available colors allows for easy differentiation.<\/li><\/ul>\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-1def0bf elementor-widget elementor-widget-spacer\" data-id=\"1def0bf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\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-3bdf5f9 elementor-widget elementor-widget-heading\" data-id=\"3bdf5f9\" 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\">How to use shrink tubing<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-33b2b55 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"33b2b55\" data-element_type=\"section\" data-e-type=\"section\">\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-50 elementor-inner-column elementor-element elementor-element-9755c0f\" data-id=\"9755c0f\" 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-074b6de elementor-widget elementor-widget-text-editor\" data-id=\"074b6de\" 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>We start by selecting a tube with the <strong>right size and the right shrink ratio.<\/strong> It should cover the tube or components in a snug fit before shrinking to ensure a tight fit.<\/p>\n<p>This is important, because after application it will adhere both across its width and length. If the items to be covered may change size after application, make sure the tube has sufficient expansion.<\/p>\n<p>  This can be done by comparing its diameter after shrinkage with its size before shrinkage. Check the recommended heating temperature of the tube to avoid uneven application or melting.<\/p>\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<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-440187b\" data-id=\"440187b\" 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-1f3f098 elementor-widget elementor-widget-image\" data-id=\"1f3f098\" 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<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/botland.com.pl\/blog\/wp-content\/uploads\/2024\/04\/18165_4.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"18165_4\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6Nzc4ODMsInVybCI6Imh0dHBzOlwvXC9ib3RsYW5kLnN0b3JlXC9ibG9nXC93cC1jb250ZW50XC91cGxvYWRzXC8yMDI0XC8wNFwvMTgxNjVfNC5qcGcifQ%3D%3D\" data-wpel-link=\"internal\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"534\" src=\"https:\/\/botland.store\/blog\/wp-content\/uploads\/2024\/04\/18165_4-1024x684.jpg\" class=\"attachment-large size-large wp-image-77883\" alt=\"\" srcset=\"https:\/\/botland.store\/blog\/wp-content\/uploads\/2024\/04\/18165_4-1024x684.jpg 1024w, https:\/\/botland.store\/blog\/wp-content\/uploads\/2024\/04\/18165_4-300x200.jpg 300w, https:\/\/botland.store\/blog\/wp-content\/uploads\/2024\/04\/18165_4-768x513.jpg 768w, https:\/\/botland.store\/blog\/wp-content\/uploads\/2024\/04\/18165_4.jpg 1080w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Set of heat shrink tubing 170pcs. - length. 100mm - 6 colors.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\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-e142cd6 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"e142cd6\" data-element_type=\"widget\" data-e-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:\/\/botland.store\/shrink-tubes\/18165-set-of-heat-shrink-tubes-170pcs-length-100mm-6-colors-5901890055123.html\" target=\"_blank\" data-wpel-link=\"internal\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">CHECK<\/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<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-761786b elementor-widget elementor-widget-text-editor\" data-id=\"761786b\" 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>Cut off the appropriate length of tubing &#8211; standard scissors will suffice for this, although the more precise the better &#8211; and lay or slide it over the target elements. Now it&#8217;s time to heat the shrink film. You can do this with a hand-held tanner. If you use a gun, &#8220;move&#8221; the heat back and forth along the tube, while avoiding hanging it in one place to minimize the risk of burning. Continue until the wrapper is tightly secured.<\/p>\n<p>Still a version for the discerning. <strong>The shrink factor<\/strong> is expressed as a fraction or percentage and indicates how much, or what percentage, of the initial size of the material changes as a result of the temperature change. For example, if the initial piece of metal was 10 centimeters long and after heating it to a higher temperature its length decreased to 9 centimeters, the shrink factor can be calculated as 10%.<\/p>\n<p><strong>The shrink factor<\/strong> is particularly important in more advanced applications, as it helps engineers and designers predict how a material will react to temperature changes and highlight potential thermal expansion issues. It is also used for accurate measurement and calibration in various fields, such as metrology or mechanical system design &#8211; but rest assured, this is not space engineering.<\/p>\n\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-be9f251 elementor-widget elementor-widget-heading\" data-id=\"be9f251\" 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\">Popular tubing and heat shrink sleeve materials<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-636e814 elementor-widget elementor-widget-text-editor\" data-id=\"636e814\" 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>The number of thermoplastics is vast, and the number of available types continues to increase with advances in chemistry and materials engineering. It is not possible to give the exact number of materials available, but it can be said that there are many hundreds or even thousands of them. And how does it look in shrink sleeves?<\/p>\n<p><strong>Polyolefin<\/strong> is the most popular material for heat shrink tubing due to its heat resistance. Although more expensive than PVC, which we&#8217;ll discuss in a moment, it can withstand temperatures as high as 125-135\u00b0C. This property makes it ideal for manufacturing, industrial and mechanical applications with high operating temperatures. Actually, it is a group of<strong> polymers<\/strong> (polyolefins).<\/p>\n<p>The tubing cannot slip under critical conditions, so manufacturers have created <strong>polyolefin<\/strong> heat shrink tubing with a self-adhesive inner layer that melts and adheres to the wires and components inside. Thus, it fills the empty space and ensures a tight fit. The added adhesive provides increased protection against moisture and harsh conditions.<\/p>\n<p><strong>PVC<\/strong>, on the other hand, is cheaper than polyolefin, but has a lower temperature threshold of about 105\u00b0C. Durable, strong and highly abrasion-resistant, it can be produced with high transparency, bright colors and flame retardant properties, making it a versatile and cost-effective option for low-temperature applications.<\/p>\n<p>Other materials used for shrink tubing include <strong>PTFE, FEP, elastomers, silicone rubber and fluorine-based rubber<\/strong>. The choice of the best type of material depends mainly on the conditions under which the device will operate and the degree of shrinking needed to achieve the desired seal.<\/p>\n\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-6cc89e2 elementor-widget elementor-widget-heading\" data-id=\"6cc89e2\" 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\">Placing heat shrink tubing - common mistakes<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6d42b44 elementor-widget elementor-widget-text-editor\" data-id=\"6d42b44\" 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>In the earlier part of the article we prove that the use of shrink sleeves is a simple matter, but even here mistakes can occur. The most common is the <strong>choice of the wrong size of<\/strong> heat shrink tubing. Make sure you choose the right diameter tee that is large enough to accommodate the cable, but not too loose. A common mistake is to <strong>use a<\/strong> tee that is <strong>too short<\/strong> and does not cover the entire length of the cable, or at the opposite extreme, to use a tee that is too long, which is bulky and unnecessarily wastes material. Make sure the <strong>surface of the cable is clean and dry<\/strong> before attaching the tee, as dirt or moisture will certainly affect the quality of the connection. The heat applied must be <strong>moderate<\/strong>, and if it is not a heat gun, but, for example, a hair dryer, they too can play tricks, especially without the right tips. Overexposure means inevitable overheating of the tee and damage to the cable\/element. A situational issue, admittedly, because it is important for larger installations, but it also needs to be mentioned &#8211; no description or labeling, without which it is difficult later to identify connections. Finally, a common human lack of caution: if you have to cut the heat shrink tubing, do it carefully so as not to damage the cable or the tubing itself.<\/p>\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<\/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>Shrink tubing is such an invention, the description of which is on the tip of our tongue. Well, they shrink under the influence of temperature &#8230; well, that&#8217;s right, and then what? So much, after all, can be inferred from the name. Let&#8217;s get to know them up close.  <\/p>\n","protected":false},"author":21,"featured_media":77895,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[7,179,20],"tags":[],"class_list":["post-77891","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-elektronika","category-kompendium","category-porady"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Shrink tubing - what is it and what is it used for? - Botland<\/title>\n<meta name=\"description\" content=\"Botland Blog and Online Store - Your place with electronics and robotics on the web!\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/botland.store\/blog\/shrink-tubing-what-is-it-and-what-is-it-used-for\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Shrink tubing - what is it and what is it used for? 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