2-component polyurethane adhesive
2-component polyurethane adhesive

Pasteurization Use Flexible Package Adhesive JL1166/GL1166

Composite products bonded with this solvent-based two-component polyurethane adhesive are suitable for pasteurization processes.
This adhesive ensures that laminated materials maintain their structural integrity and adhesion strength when subjected to pasteurization temperatures typically ranging from 60°C to 85°C for specific durations.
This capability is crucial in industries such as food packaging, where products require reliable sealing and resistance to thermal processing to ensure safety and shelf-life preservation.

  • description
  • Details

Pasteurization use flexible package adhesive JL1166/GL1166, formulated to effectively laminate a variety of materials including PET, BOPP, CPP, PE, VMCPP, VMPET, NY, and aluminum foil.

It is specifically engineered for use with dry laminating machines operating at different speeds, ensuring reliable adhesion and suitability for applications requiring pasteurization processes.

此图片的 alt 属性为空;文件名为 composite-package-structure10.webp

pasteurization:

Pasteurization is a common food processing technology that aims to extend the shelf life of food and kill pathogenic microorganisms. This technology is widely used in the processing of liquid foods such as milk and juice.
Principle and process of pasteurization:
During the pasteurization process, liquid food is heated to between 60°C and 100°C for a certain period of time to kill most pathogenic microorganisms. During the heating process, different heating methods can be used, such as intermittent heating or continuous heating. Its main purpose is to eliminate pathogenic microorganisms, including bacteria, molds, yeasts, etc., to reduce the number of pathogens in food, thereby extending its shelf life and ensuring food safety.
Compared with high-temperature sterilization (such as ultra-high temperature sterilization), pasteurization is usually carried out at a lower temperature, which helps to retain the nutrients and taste characteristics in food, making the processed food fresher and more delicious.
In general, pasteurization is an economical and effective disinfection technology widely used in the food industry, providing consumers with safer and longer-lasting food.

1.Physical Datas:

Type JL1166(Main Agent) GL1166(Curing Agent)
Composition -OH -NCO
Appearance Clear or light yellow transaprent liquid Clear or light yellow transaprent liquid
Solid content (%) 66±2 60±2
Viscosity at 25℃(mPa) 4000-6000 15-90
Solvent Ethyl Acetate Ethyl Acetate
Mixing ratio 20 4
shelf life at 15℃-25℃ 12 month 12 month

During dilution, solid content and viscosity change:

Solid content  (%) 50 40 35 30

Main Agent (KG)

20 20 20 20
Curing Agent (KG) 4 4 4 4
Ethyl acetate(KG) 7.2 15 20.6 28

2.Applicable model:

Suitable for pasteurization

Suitable for various speeds of dry laminating machines 

3.Recommended ratio:

20:4. The actual environmental humidity and printing ink have a significant impact on the laminating effect. Customers should adjust the amount of curing agent appropriately according to the actual situation

 

4.Operating conditions:

(1) When diluting, add the solvent to the main agent according to the required solid content, stir it thoroughly,

(2)Then add the curing agent, and stir it evenly before use.

(3) The water content of the solvent ethyl acetate shall not exceed 0.03%, and the alcohol content shall not exceed 0.02%

(4) Working concentration 25%~35%

 

5.Drying:

The drying device should have sufficient air volume, wind speed and temperature. When the drying system is divided into three sections, the temperature from the membrane inlet to the outlet is controlled between 50~60℃, 60~70℃, and 70~80℃.

 

6.packaging specification:

JL1166:20kg/barrel GL1166:4kg/barrel