Last week , we shared a vedio about the process of making tubing from material . It is the first step of producing heat shrink tubing .
Second step is radiation exposure , without this step , we can not expand the tubing . We have not the radiation exposure machine , so can not share the process . There is a factory who specially do this for heat shrink tubing manufacturers .
Today , we share the third step , how do we expand the tubing .
As you see in the vedio , before the tubing came into machine , it was as big as a finger , but when it came out , it became much more bigger . In this process , the diameter became bigger , and wall thickness became thinner .
Now , we it is became a heat shrink tubing . When we heat it , the diameter will get smaller , and the smallest diameter is the size which we make material into the tubing .
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This is a video we shot for one of our customer to remind him something he should pay attention .
When the diameters of heat shrink tubing and cable are similar , you shouldmake sure the duanl wall heat shrink tubing be compeletely shrink .
We are a heat shrink tubing manufacturer , this vedio shows expanding process of heat shrink tubing .