solvent free adhesive 8079
solvent free adhesive 8079

2 parts PU adhesive steaming package solvent free WY8079A/B

The two part polyurethane adhesive demonstrates exceptional resistance to 121℃/30min AL-plastic steaming sterilization, ensuring that composite products maintain their structural integrity and performance under rigorous sterilization conditions.
This specialized polyurethane based adhesive is formulated for applications involving aluminum-plastic laminates, specifically PET/AL and PET/VMPET structures.
It effectively bonds these materials together, preserving their barrier properties and durability during sterilization processes commonly used in medical, food, and industrial packaging.
This resilience makes it well-suited for environments requiring high standards of hygiene and product safety.

  • description
  • Details

Megabond is a manufacturer and producer specializing in the production of adhesive for flexible packaging. This solvent-free polyurethane adhesive designed for flexible packaging lamination is versatile and suitable for bonding a wide range of materials including PET , CPP , PE, OPP , VMCPP , VMPET , NY, RCPP , and AL .

This adhesive formulation is engineered to ensure strong and durable bonds between these various substrates, essential for maintaining the integrity and performance of flexible packaging applications. It provides excellent adhesion properties while offering flexibility and resistance to environmental factors, making it ideal for both food and non-food packaging where reliability and quality are paramount.

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1.Physical data:

Product Code WZ8079A WZ8079B
Color Yellowish clear liquid  Yellowish clear liquid
Solid content(%) 100% 100%
Composition -NCO -OH
Viscosity(CPS/25℃) 2000±1000 3500±1000
Density 1.14±0.05 1.13±0.05

2.Procedure

Equipment Solvent-free adhesive laminating equipment(Manual or Automatic)
Mixing ratio A:B=100:(70-90)
Running speed ≤350M/min
Coating amount ≥1.1g/㎡
working temperature 30℃-45℃
Curing temperature Curing in a curing room at 40-50℃
Curing time 24-36h

3.Storage & Safety

The unopened WY8079A/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 glue.

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

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

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

4.Packing Information

WY8079A: 20kg/drum or 200kg/drum

WY8079B: 20kg/drum or 200kg/drum

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