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Heat shrinkable film label inside the purpose of preheating treatment
author：泰祥塑料 Source：热收缩膜标签 Click：
Release time：2016/10/9 9:18:58
Heat shrinkable film label inside the purpose of preheating treatment
In order to remove the plastic in the water and other volatiles, provide hot material for compression molding, plastic molding in pre heating for a certain period of time at a certain temperature, and the status and performance of plastics without any change, the operation is called preheating. Www.taixiangsl.com