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:
Custom Laminated Printing Juice Bag Liquid Packaging Stand Up Plastic Water Spout Pouch
How to correctly choose plastic bags for food? Teach you a few tricks
Introduce the relevant knowledge information of Vacuum Zipper Bags
Popular recommendation
Smell Proof Stand Up Flat Bottom Pouch Coffee Bag /Coffee Beans Bag With Air Release Valve And Reusa
China Factory Baby Complementary Food Spout Pouch Baby Food Fruit Puree Bag With Spout Packaging Bag
Custom Print Side Gusset Coffee Pouch Black Matte Coffee Beans Packaging With Valve
super pouch tool bag price
coffee grinds pouches supplier
aluminium spout pouch wholesaler
juice bag in box price
biodegradable spout pouches custom
pouch with handle supplier
packaging spout pouch Manufacturing
How to inspect the appearance of vacuum bag?
Do you know these characteristics of the bag in the box?
Composition of liquid bags
liquid pouch with spout Factory.Introduce the materials of food packaging bags
Bag-in-Box with Tap: The Innovative Solution for Efficient Liquid Packaging
About the thickness of vacuum packaging bag
What does a bag in a box look like?
The application of vacuum in food packaging and freezing and drying industry
Aluminum Foil Bag: The Ultimate Buying Guide
coffee bag with one way valve distributors.The thickness of each layer of the composite packaging ba
coffee bag history
Some questions about KRAFT PAPER POUCH.stand up ziplock kraft paper pouch
What Food Vacuum Zipper Bag do you see?pint zipper vacuum bag custom
The purpose of a composite packaging bag.aluminum laminated foil bag Factory
How to Plan Bag in Box Printing.bag in box direct sales
Packaging products in aluminum foil bags gives you great face
Application of Bag in Box Packaging
Packed color.aluminum foil bag large wholesaler
What are the environmental characteristics of degradable plastic bags
Introduction and application of composite food bag wholesale.smart food Snack food bag Manufacturing