Food packaging it hides a lot of problems! Don't look at discretion die!
by:Kolysen
2021-01-22
Plastic packing bag is our daily life often use, there are ten million species of the packaging bags.
But, some bags in smell, touch, etc can give a person a kind of very the feeling of disgust, it is this which also has a lot of problems?
Small make up today will tell you must be careful when we use the bags, some plastic bags are toxic and not can be used to direct food, to see if this is the feeling is very surprised.
Don't be afraid!
Small make up then briefly describe bags to distinguish method, hope small make up sharing will help you!
1, with the eyes, non-toxic plastic bags with a white, transparent or light transparent, uniform texture;
Although toxic plastic bags is colorful or white, but the transparency is poor, the turbidity, uneven tensile plastic appearance, there are small particles.
2, listening with ears with her hands trembling hard plastic bags, a ringing sound mark is non-toxic plastic bags;
And a fullness sound small and is toxic plastic bags.
3, hand over hand touch plastic packaging appearance, feel very lubrication is non-toxic;
And sticky, hair acerbity, waxy feeling is toxic.
4, with nose smell is tasteless non-toxic plastic bags;
There are abnormal smell or taste acrid especially are poisonous.
5, submerged experimental method put plastic bags in the water, with the hand to press it to the bottom, just a moment, the surface is non-toxic plastic packaging bags, sink in the bottom is poisonous plastic bags.
Six non-toxic plastic bags of flammable, burning method, yellow flame, local in cyan, burning like a candle tears dripping, white LaWei;
Toxic plastic bag is not easy to burn, away from the fire that is quenched, flame or yellow, black, green at the bottom, can soften the wiredrawing, still can smell a smell of.
These are summed up experience, hope everyone later learned to plastic bags;
Don't spoil yourself spending money.
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