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:
biodegradable spout pouches custom
Popular recommendation
Wholesale High Barrier Plastic Stand Up Flat Bottom Pet Dog Food Packaging Bag
Smell Proof Stand Up Flat Bottom Pouch Coffee Bag /Coffee Beans Bag With Air Release Valve And Reusa
Custom printed food grade ziplock snack custom plastic pouch packaging food packing bag
Spout pouch company
new super pouch Processing
flexible packaging manufacturer
pouch flexible packaging custom
coffee pouch packaging
coffee grinds pouch Manufacturing
bag in box wine Vendor
The selection details of paper bag making are important
Aluminum foil vacuum packaging and transparent vacuum packaging.gusset aluminum foil bag distributor
Do you know these characteristics of the bag in the box?
New machine 1L-250L April,17,2023
Pure Source: High quality liquid sealed packaging bag.juice bag in box wholesaler
What are the general forms of beverage and food liquid bags?
The design of rice packaging bags should focus on brand concept and color positioning
Why are water packaging bags not suitable for long-term storage?liquid spout bag
Introduce you how to use Zipper Vacuum Sealer Bag.zipper vacuum sealer bag
Method of using electrostatic adsorption for thermal shrinkage of plastic packaging.Vacuum zipper ba
Explanation on steaming bags.aluminium retort pouch Production
The characteristics of the characteristics of all kinds of packaging bags.Flexible packaging film ro
You choose the skills of food packaging real vacuum bags.biodegradable spout pouches manufacturer
What are the functions of biodegradable plastic bags?
Common Materials for Inflatable Packaging
Usage of vacuum bags.aluminum foil bag large
How to distinguish between recycled materials and new materials in packaging bags.recyclable spout p
What material is good for vacuum Vacuum Zipper Bag?zipper vacuum sealer bag
Analysis of the material of the food packaging bag.snack food bags wholesale
Traditional testing methods of package sealing
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
