Firstly, Let’s understand what is oil heating Oil heating:General the number of heating tubes are 9-12Take 12 heating tubes as an example.Heating plate 1540mm,The interval between the two tubes is about 12cm.When the temperature reaches 120 °C, there is no thermal compensation at the center point.

How to identify the quality of blister door panels?

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Due to the lack of flatness and hardness of the thinner pvc film, the thinner pvc film will stick to the surface of the product soon under heating, and it is easy to produce a folding effect. 3 If you use narrow pvc film, that