Jinan self sealed bags are simple and convenient, and are now widely used in food and other industries. But how to identify whether self sealed bags are non-toxic? Follow the manufacturer to have a look!
1、 Eye observation
The non-toxic plastic bag is white, transparent or slightly transparent, and the texture is uniform; The toxic self sealing bag is colored or white, but it has poor transparency and turbidity. The plastic surface is stretched unevenly and has small particles.
2、 Listen with your ears
When shaking the plastic bag with your hands, a clear sound indicates that it is a non-toxic plastic bag; And the sound is small and stuffy is toxic plastic bags.
Touch the surface of the self sealing pocket with your hand, which is smooth and non-toxic; Sticky, astringent and waxy are poisonous.
4、 Smell with your nose
Non toxic self sealing pocket is tasteless; It is poisonous if there is a pungent smell or abnormal taste.
5、 Submerged test method
Put the plastic bag into the water, press it to the bottom of the water by hand, wait a moment, and seal the bag. The non-toxic self sealing bag is the one that emerges from the water, and the toxic plastic packaging bag is the one that sinks at the bottom of the water.
6、 Combustion method: non-toxic self sealing pocket is flammable
The flame tip is yellow, and some parts are cyan. When burning, it drips like candle tears, with paraffin smell; The toxic plastic bag is not easy to burn. It is extinguished when leaving the fire. The flame tip is yellow and the bottom is green. It is a self sealing bag and can be softened and brushed.
How to identify whether the self sealed bag is non-toxic? There are six methods left above. I hope you can help me and pay attention to us https://www.jnsuliao.com Learn more!