Laminated plastic bags manufacturers teach you how to identify the quality of laminated plastic bags
Release time:
2022-07-13
The appearance of laminated plastic bags looks similar, but in fact, they are very different in production. The raw materials are divided into material types, high and low pressure points, new materials and returned materials, and laminated plastic bags of different colors will be added.
1. What is the material difference that manufacturers of laminated plastic bags often say?
The appearance of laminated plastic bags looks similar, but in fact, they are very different in production. The raw materials are divided into material types, high and low pressure points, new materials and returned materials, and laminated plastic bags of different colors will be added. Different color masterbatches, faced with so many complex materials, we must first confirm the purpose of the laminated plastic bags we ordered. If it is only for packing items, then choose the cheapest polyethylene material. If it goes up to food, then It is necessary to use new materials or cpp or opp materials, and some more demanding materials need composite materials to meet the needs.
2. How to distinguish laminated plastic bags with the naked eye
Laminated plastic bags are very soft and smooth under normal circumstances, they don't feel sticky to the hand, and the color is very pure, but if they are produced using raw materials with poor materials, the color will look cloudy and transparent. The opaque, bright with a hint of dullness.
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