Tel: +86 188 2689 9458
Tel: +86 188 2689 9458
source:other news release time:2023-06-14 Hits:
1. Wrong selection of Adhesive or poor heat resistance of adhesive.
2. The curing agent ratio is out of balance. Possible reasons for the imbalance in the ratio of curing agents include: a. human error in the ratio; b. The ambient temperature is too high; C. The solvent contains water, alcohol, or activity - OH genes; d. The solvent in the ink was not fully dried.
3. Insufficient curing or too low temperature.
4. Insufficient drying. Because the solvent is not completely volatilized during printing or compounding, there are many residual solvents. Although these solvents may not contain active chlorine and will not affect the cross-linking reaction of Adhesive, the solvent will swell the adhesive layer and may vaporize at high temperature, so although it has little impact on the composite strength at normal temperature, it may cause heat seal separation layer.
5. The impact of printing ink. First, the inactive solvent in the ink, the resin or additives in the ink consume part of the curing agent, which causes the imbalance between the main agent of the Adhesive and the curing agent, resulting in the heat seal separation layer. When using heat-resistant polyester amine inks or chlorinated polypropylene inks for high-temperature heat sealing applications, a heat sealing separation layer may occur.
Read recommendations:
Smell Proof Stand Up Flat Bottom Pouch Coffee Bag /Coffee Beans Bag With Air Release Valve And Reusa
coffee grinds pouches Manufacturing
digital flexible packaging sales
What are the general forms of beverage and food liquid bags?
Common problems and solutions when using Vacuum packing bags to package food.poly bags for food pack
Popular recommendation
Wholesale Price Biodegradable Aluminum 3 Three Side Seal High Temperature Microwavable Food Retort S
Pouch with handle
Flexible packaging film roll
aluminium spout pouch custom
eco friendly spout pouches price
coffee powder pouch price
zip lock bag for coffee manufacturer
new super pouch wholesale
reusable Snack food bag manufacture
spout pouch bag maker
How to inflate the packaging bag of puffed food?
How much do you know about packaging bags
Why do we use grain bags for vacuum preservation?
Snack Pouches: The Ultimate Guide
Did you choose the right rice packaging bag?
sideguesst bag for coffee bag distributors.The number of packaging layers of moon cakes and Zongzi s
ordering flexible packaging film roll sales.The shortcomings of environmental bags
What is a coffee bag
How are the bags classified?
How much do you know about PE bag blowing film?properties of flexible packaging films distributors
What are the common bag types of food packaging bags
How to choose aluminum foil packaging bags?
Can you distinguish frozen vacuum packaging bags and quick -frozen vacuum packaging bags?vacuum seal
printed snack food bags Vendor.What to pay attention to when making food packaging bags
Disadvantages of snack food packaging bags.
How to classify and differentiate composite food bags.biodegradable spout pouches manufacturer
Development Trend of Liquid Box Bag Industry
The characteristics of a plastic film.coffee packaging plastic bag custom
mini pet food bag maker.What are the steps for making food packaging bags
Toothpaste 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
