Tel: +86 188 2689 9458
source:Industry News release time:2022-09-27 Hits:

Even if the composite vacuum bag refers to the raw materials of different categories with double layers or double layers, the sizing method can be used according to the "structural" double-layer raw materials composed of necessary skills.
There are several processing techniques for vacuum bags and co-extrusion methods. At least one layer requires adhesives. 291 Adhesives can be roughly divided into polyether and polyurethane adhesives. Polyether adhesives are gradually being used. It has been washed away too, and polyurethane material adhesives have two types: aliphatic and alicyclic.
Adhesives can also be divided into water-soluble adhesives, water-soluble resin adhesives and non-water-soluble resin adhesives according to the type of use. In China, the key is to use water-soluble resin adhesives." 98% of them are alicyclic adhesives.
The adhesives used in composite packaging are mostly polyurethane, which is made of polyhydroxy chemical substances and alicyclic isocyanate polymers, and the residual alicyclic acrylate reactivity rate is hydrolyzed and converted into futuramide.” Fructamide is such a harmful substance, and it will cause environmental pollution if it is transferred into the food category.
Read recommendations:
Popular recommendation
Pouch with handle
Hot Sale BPA Free Plastic Drink Juice Fruit Liquid Packaging Stand Up Bag Spout Pouch
125g 250g 500g 1kg Aluminum Foil Flat Bottom Coffee Bean Bags With Valve
spout pouch packaging bags Production
new super pouch manufacture
recyclable spout pouches Factory
custom printed spout pouches
Spout pouch flexibility distributors
coffee bean bag distributors
pouch with handle Manufacturing
About the thickness of vacuum packaging bag
How to choose aluminum foil vacuum packaging and transparent vacuum packaging can make customers mor
mini Snack food bag Solution.How to Choose a Qualified Food Packaging Bag
Coffee bags and coffee
Pure Source: High quality liquid sealed packaging bag.juice bag in box wholesaler
Introduction to liquid packaging methods
Precautions for use of degradable plastic bags
Why does the food packaging bag have a odor and how to avoid it?aluminum foil bags for cooking maker
The thickness of the food packaging bag is related to food safety.reusable Snack food bag Manufactur
The convenience of coffee bags
What are the process requirements for sterile liquid packaging bags?heat seal liquid packaging
Folding plastic steel packaging belt for packaging bag
Disinfection work should be done well in the production of sterile bags
The purchase requirements of shallow analysis of plastic packaging bags
What is easy to tear film? Which products are suitable for easy tearing film?
printed snack food bags Vendor.What to pay attention to when making food packaging bags
The purpose of a composite packaging bag.aluminum foil bag large wholesaler
Safety knowledge of food packaging bags
Packaging bags for different purposes require different manufacturing processes.zip lock aluminum fo
Use degradable plastic bags to reduce ecological pollution