Tel: +86 188 2689 9458
Tel: +86 188 2689 9458
Various materials with different characteristics are combined to improve the air permeability, moisture permeability, oil resistance, water resistance and d...
In synthesis, 25% is used in the packaging industry, which is an important department in the plastic packaging industry. Plastic packaging is one of the fou...
1. Tear up the message. Nowadays, many people throw away the packaging bags directly. In fact, it is easy to expose our personal information. We should use ...
Weight=density * volume=density * 42 * 18 * 0.00007=0.05292 * density (g), about 1g for 20 bags. Plastic bags are bags made of plastics (commonly used plas...
Method 1: find a single line 1. Observe the sealing lines on both sides of the rice bag or flour bag, and you will find that one side is sewn with a single...
Fully biodegradable plastic bags are mainly made of natural macromolecular materials (such as starch, cellulose, chitin) or agricultural and sideline produc...
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