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After popularizing the knowledge of heat shrink tubing , how to choose becomes a difficult problem. In fact, the choice of heat shrink tubing is not very difficult. Generally speaking, the choice of heat shrink tubing cannot be separated from the specific situation. Different situations require different types, which depends on the size of the object and the shrinkage size in length.

1. Choose the right size

"Tailoring to size" is a universal rule for measuring the size of things. When choosing heat shrink tubing, it is no exception. You must "tailor" it according to the object to be protected and choose the appropriate size. Remember not to make it too big or too small. If it is too big, the heat shrink tubing will often not be fixed to a certain part of the object and will easily fall off, thereby increasing the risk of safety accidents; if it is too small, the heat shrink tubing cannot be installed and cannot play the role of insulation protection. Generally speaking. ordinary electronic heat shrink tubing generally shrinks by 2 times. In other words, it requires that the diameter difference of the wrapped object must be less than one time, so as to effectively ensure the use of the heat shrink tubing.

2. Length contraction affects choice

Since it is a heat shrink tubing, it will "shrink" when it encounters "heat" so when choosing, you have to consider the shrinkage function in length. After the heat shrink tubing is shrunk, the overall length will be reduced by 5%-8%. The length of the ordinary items being wrapped will shrink within the controllable range of 5%-8%. Compared with when the wrapped items are metal objects, the shrinkage length will be longer. When choosing the length of the shrink tubing, what the wrapped items are becomes a necessary condition for choosing the length.

How to choose shrink tubing is a complicated process. Because heat shrink tubing has the characteristic of "shrinking", it is necessary to pay full attention to the change of this property when choosing. Only by considering this change can the choice of heat shrink tubing be suitable for the wrapped items and avoid doing useless homework. Nowadays, most manufacturers of heat shrink tubing are distributed in Guangdong, Jiangsu, Wenzhou and other regions. The production range is very wide, and the market prospect of heat shrink tubing is also very broad.

After considering many factors, it is not difficult to choose heat shrink tubing. You only need to grasp two points: first, choose the right size, and second, learn from the shrinkage in length. If you choose heat shrink tubing based on these two points, you can choose the right one.

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