Two part Polyurethane adhesive for film lamination WP8080A/B

Composite products bonded with this solvent free adhesive exhibit exceptional resistance to boiling water at temperatures up to 100°C, ensuring reliable performance even under rigorous heat exposure.
Moreover, they boast excellent heat sealing strength, which enhances the integrity of seals in flexible packaging applications.
This combination of high-temperature resistance and strong heat sealing capabilities makes the adhesive suitable for packaging solutions that require durability and secure sealing properties, maintaining product freshness and quality over extended periods.

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As a laminating adhesive manufacturer, our 100% polyurethane type two-component solvent-free adhesive is specifically formulated for laminating various types of flexible packaging materials. These materials include OPP , VMCPP , VMPET , PE , PET , PA , BOPP , CPP , and more.

This adhesive is designed to provide strong and durable bonds between these different substrates, ensuring reliable performance in a wide range of packaging applications. It offers excellent adhesion properties while maintaining flexibility and resistance to environmental factors, making it suitable for both food and non-food packaging needs.

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1.Physical data:

Product Code WP8080A WP8080B
Color Yellowish clear liquid  Yellowish clear liquid
Solid content(%) 100% 100%
Composition -NCO -OH
Viscosity(CPS/25℃) 2000±1000 3500±1000
Density 1.17±0.05 1.15±0.05

2.Procedure

Equipment Solvent-free adhesive laminating equipment(Manual or Automatic)
Mixing ratio A:B=100:(70-90)
Running speed ≤400M/min
Coating amount ≥1.1g/㎡
working temperature 30℃-45℃
Maturing temperature Curing in a curing room at 40-50℃
Maturing time 24-36h

3.Storage & Safety

The unopened WP8080A/B can be stored for 10 months in a dry and clean environment between 5 and 30°C.

Once the drum is opened, the unused product must be sealed and used up as soon as possible. Wash thoroughly after using adhesive, including work clothes, protective glasses, masks and gloves stained with adhesive.

Be careful! Empty drums of adhesive after use also contain hazardous substances.

Please follow the instructions on the label of the plastic barrel and do not use these empty barrels without professional cleaning.

If you need more safety information, please refer to our product safety technical instructions.

4.Packing Information

WP8080A: 20kg/barrel or 200kg/barrel

WP8080B: 20kg/barrel or 200kg/barrel

5.Regulations

Complies with the provisions of the US Food and Drug Administration FDA CFR21.175.105

Complies with the national standard GB 9685 Hygienic Standards for the Use of Additives in Food

Containers and Packaging Materials for items related to adhesives Complies with the national standard GB 9683 Hygienic Standards for Composite Food Packaging Bags for items related to adhesives