Heat Shrink tubing made of different materials Here you will find different types of heat shrink tubing. Some of them can shrink to a quarter of its original size and are available in different colors. Those are ideally suited for color coding of cables and cable bundles. Heat shrink tubing with an adhesive layer are able to seal your application and installation against moisture and adverse weather conditions. Heat Shrink Printing Techflex is happy to make this unique service available to our customers. Our heat shrink printing process allows our customers to select from our available selection of heat shrink products and design their own customized heat shrink tubing. Your finished art will be prepared by our Graphics Department and printed on our high resolution equipment. The imprint has a high resistance to abrasion and many cleaning fluids. See more information here.