Today, the editor wil talk to you about waterproof heat shrinkable tubes. Speaking of waterproof heat shrinkable tubes, everyone will probably think of it involuntarily. What is the difference between it and ordinary heat shrinkable tubes? Or what do they have in common? Let the editor talk to you about their similarities and differences.

          Let’s start with the appearance. They are all round tubes, but some need to be flattened when packaing. Their specifications are distinguished by diameter. It’s just that ordinary heat shrinkable tubes have no voltage level distinction; another thing may be the color, ordinary heat shrinkable tubes have There are several colors: red, green, yellow, blue,black, white and yellow-green. The most common color of waterproof heat shrinkable tube ia black. If ofter colors are required, they  still need to be customized in advance. Of course, the price will be silghtly higher than black waterproof heat shrink tubing.

         In terms of packaging, apart from the fact that some specifications require flattening and packaging, they are also similar in that they are all rolled. Some specifications of waterproof heat shrinkable tubes are 1.22 meters long. They should be cut to this extent. Of course, there are also coiled ones; ordinary heat shrinkable tubes are generally coiled, and if you need to cut the tube, you need to pay an additional cutting fee. When using waterproof heat shrinkable tubes , you also need to select a waterproof heat shrinkable tube with a suitable diameter, then cut it to the required length, put it on the corresponding quilt cover object after cutting, and then heat shrink it! In the final step of heating and shrinking, I still have to say that during the heating and shrinking process, you must heat from left to right or from right to left, or even from the middle to both sides, but you cannot heat from both sides to the middle. Whether you want to heat from left to right, right to left or from the middle, the purpose is to drain the air between the waterproof heat shrink tube and the quilt cover object. If you heat from both sides to the middle, bulges are likely to appear. phenomenon resulting in incomplete sealing, and of course the waterproofing effect is greatly reduced.

         The most important point is the essential difference between the products. The waterproof heat shrinkable tube contains glue, and the glue is invisible and intangible. It has been made inside the tube during the production process. This kind of waterproof heat shrinkable tube is made of glue. In fact, we also call heat shrinkable tubes double-walled tubes. It has such a name because it has a layer of glue sandwiched between its two layers of tube walls, so it is called a double-walled tube. Ordinary heat shrink tubing does not have glue, and of course the wall thickness is thinner than waterproof heat shrink tubing. The last thing may be the difference in price. The price of waterproof heat shrink tube is higher than that of ordinary heat shrink tube . After all, the production process and materials are different.

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