Tel: +86 188 2689 9458
source:Industry News release time:2022-12-01 Hits:
First, look at the appearance
The appearance of qualified food packaging bags shall be free of bubble, perforation and other defects. And the deviation of width and length is within a certain range. If it exceeds or has defects, it is unqualified packaging bag.
Second, good performance
It is qualified to bear a certain degree of tension during use, and the use interruption in the process is unqualified.
Third, look at hygiene
The unqualified can be checked for heavy metals. Residues are harmful to human health. For example, substances and residues will affect the quality of food at the same time. This bag is often very harmful to human health. Qualified food packaging bags are usually hygienic, which ensures the quality of food.
Fourth, look at the degradation characteristics
According to the type of degradation, it can be divided into three categories: light, biology and environment. It can react to the environmental impact of discarded packaging, and packaging can be decomposed by light and other organisms. This is what qualified food packaging bags should have. Unqualified food packaging bags cannot be easily decomposed to form pollution.
The qualification of food packaging is very important to the environment and food, which can be distinguished from four aspects.
The combustion test is non-toxic. The vacuum packaging bag is flammable. The flame tip is yellow and some parts are blue. It burns like a candle. Tear a few drops, and there is a wax smell. Toxic vacuum packaging bags are not easy to burn, and the flame is extinguished.
The tip of the flame is yellow and the bottom is green, which can be softened. The non-toxic vacuum packaging bag is white, transparent or transparent with even texture. The toxic vacuum packaging bag is white or white, but its opacity is poor. The plastic surface is uneven with small particles. When the ear shakes the vacuum packaging bag by hand, the flap that gives a clear signal sound is a non-toxic vacuum packaging bag; Low noise and boredom are toxic vacuum bags. The surface of the plastic bag is smooth and non-toxic, sticky, astringent and waxy. The non-toxic plastic bag has a tasteless smell, while the pungent or abnormal smell is toxic.
Read recommendations:
Main Analysis Report on the Current Situation of the Bag in Box Industry
Popular recommendation
Spout pouch
Eco Friendly Plastic Mylar Pouch Stand Up 50ml 100ml 200ml 250ml Custom Aluminum Spout Pouch
Aluminum foil bag
bag in box manufacture
bag in box wine distributors
Aluminum foil bag custom
packaging spout pouch custom
pouch with handle manufacturer
bag in box packaging Factory
Coffee Tea pouch Manufacturing
Food vacuum packaging bag: a very convenient packaging method
The State Administration for Market Regulation encourages the optimization of food packaging labels
stand up pouch coffee packaging wholesaler!How to order universal vacuum packaging bags?
What is the principle of vacuum nozzle? Negative pressure principle
Material of liquid bag
Common types of transparent vacuum packaging bags
What are the advantages of plastic packaging bags
What is the difference between vacuum bag and aluminum foil bag
Causes and solutions for the difficulty of aluminum foil bags.aluminum foil bag large Production
Stand Up Pouch Manufacturing Process- The Complete Guide
What to pay attention to when designing food packaging bags.paper snack food bag distributors
How to remove the rice packaging bag?
Solution to damage of plastic flexible packaging bags.aluminium retort pouch
The advertising function of plastic packaging bags.Aluminum foil bag maker
Clear Spout Pouch production process.biodegradable spout pouches supplier
Packing bag material what classification
Neutral packaging precautions.bag in box for wine
Packaging Bag Classification
bag in box packaging supplier.What to pay attention to when making food packaging bags
Advantages of packaging bags.recyclable spout pouches Vendor