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.
Read recommendations:
Wholesale High Barrier Plastic Stand Up Flat Bottom Pet Dog Food Packaging Bag
pouch with handle distributors
zip lock bag for coffee company
What is the principle of vacuum nozzle? Negative pressure principle
Food packaging is closely related to food safety.reusable Snack food bag
Popular recommendation
Coffee & Tea pouch
Smell Proof Stand Up Flat Bottom Pouch Coffee Bag /Coffee Beans Bag With Air Release Valve And Reusa
Custom Size Printed Coffee Milk Juice Wine Bib Bag-In-Box With Valve Gift Cardboard Box
aluminium spout pouch sales
spout pouch packaging bags manufacturer
spout pouch packaging price
spout pouch bag manufacturer
Spout pouch flexibility supplier
eco friendly spout pouches Vendor
valve plastic coffee bag
Food packaging bag.plastic pouches for food packaging
Paper packaging
How to choose pet food packaging bags?
baby pacifier newborn wholesale.What are the good properties of food packaging bags
There will be several "small holes" on the top of the coffee pouch bags, so what is the my
The origin of aluminum foil bags!disposable aluminum foil bag
The source factory of packaging bags takes you to understand the three side sealing bags and the mid
How to fold a gift box? Let the person receiving the gift feel your good intentions
Packaging bag development history
Liquid packaging bag: protection fresh, convenient to carry.juice bag in box Solution
Specification for Halal Certification
The significance and use of bags in sterile boxes.bag in box for juice
The development trend of domestic food packaging.printed snack food bags distributors
Definition of Leather Packaging.disposable aluminum foil bag
mini pet food bag sales.How to control the thickness of food packaging bags
How to Choose Bags in Food Boxes
mini pet food bag maker.What are the steps for making food packaging bags
Several development trends in PET FOOD BAG Clip.petco free dog food bag Manufacturing
How to remove static electricity from packaging bags?
Folding and winding film of packaging bag
Subscribe to Top-line emails and
stay updated on our news.
+86 188 2689 9458Email: info@toplinepackaging.com
Add: Room 204-205 ,Buliding 2 ,No 7 xinji Road,Nancheng street ,Dongguan City ,Guangdong province,China
Download Catalogs
Wechat
Whatsapp
