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.
Read recommendations:
What is the sealing length of the bag in box?
pouch with spout Factory.What hazards do unqualified food packaging bags bring
Popular recommendation
Wholesale High Barrier Plastic Stand Up Flat Bottom Pet Dog Food Packaging Bag
Spout pouch
Custom Portable Reusable Drink Bags Stand Up Plastic Spout Pouches For Beverages Liquid Packaging
biodegradable spout pouches custom
spout pouch bag supplier
biodegradable spout pouches distributors
eco friendly spout pouches supplier
pet food bag sealer sales
pet food bag clip supplier
spout pouch machine maker
What are the special properties of aluminum foil bags explained by the manufacturer of aluminum foil
Why do we use grain bags for vacuum preservation?
Sterile packaging bag.aluminum foil bag large custom
What are the types of packaging bags
Wine box packaging customization process and specific production process
Introduce you how to use Zipper Vacuum Sealer Bag.zipper vacuum sealer bag
Packaging has higher hygiene requirements for food bags.smart food snack bags distributors
The Revolution in Liquid Packaging
Can the vacuum bag be reused?
How to choose a coffee bag?
Convenient circulation of packaged food.petco free dog food bag Manufacturing
Bag in Box.bag in box company
What are the process requirements for sterile liquid packaging bags?heat seal liquid packaging
vanishing coff packaging bag.Production process of non-woven packaging bags
Talk about the advantages and applications of Spout Poubs
What are the functions of biodegradable plastic bags?
Why is the food packaging bag perforated?
Food plastic packaging bags
Advantages of Bag in Box Packaging.5l bag in box
Advantages of sterile bags