Tel: +86 188 2689 9458
Tel: +86 188 2689 9458
source:other news release time:2022-12-30 Hits:
1： The toxic vacuum bag is colored or white, but its transparency is poor and turbid, and the plastic surface is unevenly stretched with small particles. The non-toxic vacuum bag is white, transparent or slightly transparent, with uniform texture;
2： In the submergence test, put the vacuum bag into the water, press it to the bottom with your hand, wait for a moment, and the non-toxic plastic vacuum bag will emerge from the water, and the toxic vacuum bag will sink to the bottom.
3： When the ear listener shakes the food vacuum bag vigorously with his hand, he makes a clear sound indicating that it is non-toxic food vacuum bag; The noise is small and stuffy is toxic food vacuum bag.
4： The non-toxic vacuum bag is flammable, the tip of the flame is yellow, and part of it is cyan. When burning, it drops like candle tears, with a wax smell; The poisonous vacuum packaging bag is not easy to burn, and will extinguish when it leaves the fire. The tip of the flame is yellow, and the bottom is green. It can be softened and brushed.
5： The non-toxic plastic packaging bag is tasteless; Those with pungent smell or abnormal taste are toxic.
6： Touch the surface of the plastic packaging bag with your hand. It is very smooth and non-toxic; Sticky, astringent and waxy are poisonous. High quality food vacuum packaging bags have no obvious scratch marks on the appearance, and there is no pinhole leakage. The most important thing is to check whether the seal is qualified. If the seal is very firm and the cut surface is neat, then this vacuum bag is a bag with good workmanship.
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