Tel: +86 188 2689 9458
source:other news release time:2023-03-11 Hits:
With the development of the market, the requirements for consumption are becoming more and more diversified, and the KRAFT PAPER POUCH has attracted the attention of many people with its unique shapes and convenience. It is proposed, including leakage, uneven bag shape, asymmetric sealing at the bottom, and size errors.
The leakage of KRAFT PAPER POUCH is mainly in two aspects: composite material selection and heat seal strength.
1. Material selection
The selection of materials has a great impact on the quality of KRAFT PAPER POUCH. The appropriate material can ensure that the heat sealing strength of the KRAFT PAPER POUCH and the peeling strength between the material layer to ensure that the KRAFT PAPER POUCH is not damaged. Therefore The surface tension must be greater than 38DYN/CM; the low temperature thermal sealing performance of the inner heat -seal film must be better, and the surface tension of the thermal set must be less than 34DYN/CM; in addition, you should also choose a well -connected ink, a high -solid content and a low viscosity bonding bonding bonding. Organic solvents with high purity and purity.
2. Hot seal intensity
The low heat sealed strength is also the reason why KRAFT PAPER POUCH leaks. The heat sealed strength is low. The heat seal may be separated in the external environment, resulting in leakage.
Therefore, the heat seal temperature and pressure should be set according to the characteristics of the KRAFT PAPER POUCH material. After the heat seal, the leakage test should be performed. The simple and practical method is to charge a certain amount of air in the bag, the hot bag mouth, put it in the water in the water, put it in the water. In the pot, squeeze the different parts of the bag with your hands. If there is no bubbles, it means that the bag has a good sealing performance. Time must be determined by sufficient test verification.
Nutbag manufacturer: The shape of the bag is uneven
Smoothing is one of the indicators to measure the appearance quality of the packaging bag. In addition to material factors, the flatness of KRAFT PAPER POUCH is also related to the heat sealed temperature, thermal sealed pressure, thermal sealing time, and cooling effect. Excessive heat sealed pressure and too long thermal sealing time will cause composite membrane to shrink and deform. Inadequate cooling will cause insufficient formation after the heat sealing, will not eliminate the internal stress, and wrinkle the bag. Therefore, the process parameters should be adjusted, and the cooling water circulation should The system should work normally.
Nutbag manufacturer: poor symmetry
The poor symmetry will not only affect the beauty of the package, but also affect the thermal performance and stability. The main reasons for the poor symmetry of KRAFT PAPER POUCH are uneven thickness of the composite membrane, folds, excessive tension of double float rollers, improper control of the base tension, and some of them. Rolling rotation is unstable, so it should take targeted solutions to avoid it.
Nutbag manufacturer: size error
KRAFT PAPER POUCH size error is one of the common problems in production. The size error will affect customer satisfaction and even cause returns. Operating factors such as film rubber roller pressure cylinder tension and insufficient pressure settings and other operating factors
Read recommendations:
Custom Portable Reusable Drink Bags Stand Up Plastic Spout Pouches For Beverages Liquid Packaging
pouch with handle manufacturer
smart food Snack food bag Production
printed snack food bags price!Introduction to the Function of Food Packaging Bags
Popular recommendation
Custom Laminated Printing Juice Bag Liquid Packaging Stand Up Plastic Water Spout Pouch
Kraft paper pouch
Pouch with handle
spout pouch machine supplier
spout pouch serves custom
bag in box packaging price
Vacuum zipper bag Processing
tea pouch packing machine sales
packaging spout pouch Manufacturing
refillable spout pouches Solution
Thermal insulation: the guardian of temperature
When using vacuum packaging bags for food, it is inevitable to encounter difficulties. How to solve
The use of aluminum foil bags
Requirements for fertilizer packaging bags.
The printing principle of composite bags.eco friendly spout pouches custom
flexible packaging film structure wholesale.Real time strategy for packaging bags
What are the advantages of octagonal sealed packaging bags
Classification of express packaging bags
The difference between liquid bags and regular packaging bags
Test standards for frozen food packaging.petco free dog food bag Manufacturing
Factors affecting the price of composite food packaging bags
Introduce common sealing methods for food packaging bags
flexible packaging film roll pouches custom.How can we find a good supplier for packaging bags with
The Application of Vacuum Packaging Bags and Inflatable Soft Packaging Bags to Food
What are the advantages of commonly used self-supporting nozzle bags
Solution to damage of plastic flexible packaging bags.aluminium retort pouch
Common frozen food packaging materials.smart food Snack food bag Manufacturing
What glue should be used in glyph paper packaging bags?mulberry mini pouch with handle Vendor
Precautions for using vacuum bags by food packaging manufacturers.vacuum sealer bags for food
Characteristics of food composite bags.printed snack food bags custom