water based PU adhesive for flexible package lamination JF2245/GF2245

The water-based adhesive is specially designed for the lamination process of flexible packaging and is suitable for the lamination of materials such as PET, BOPP, CPP, PE, aluminum foil film, pearlescent film, etc. This adhesive has excellent bonding performance and durability, and is environmentally friendly and solvent-free, meeting modern environmental protection requirements. It is suitable for dry laminating machines of various speeds and can maintain a stable bonding effect during efficient production processes, ensuring the firm bonding and long-term stability of packaging materials.

1.Technique Data

2.recommend mixing ratio

3.Glue amount

The dry basis coating amount is 1.6-2.0g/m2. However, for composite films that require thermal processing or deep processing, the coating amount should be larger, otherwise the coating amount should be smaller. In addition, the coating amount should also be appropriately increased for printed films. The recommended screen mesh number is 180-220.

4.Compound temperature

Drying tunnel temperature: (75～80～85～95)℃

Pressure roller temperature: 65～75℃

Pressure roller pressure: (0.35-0.4)MPa

The lamination pressure should be increased as much as possible without damaging the film

5.Ripening conditions

It is recommended to cure at 50±5°C for 6 to 12 hours. In winter, when the temperature is low, the aging time needs to be extended.

6.Storage&Safety In a dry, clean, cool environment at 5-30℃, unopened JF2245/GF2245 can be stored for 6 months.

If the product is frozen, it is strictly forbidden to use it. Avoid long-term low-temperature storage of composite products before they are fully cured.

It is recommended to cure at 50°C for 4 to 5 hours before subsequent processing can be carried out. When shutting down temporarily, the upper rubber roller should be kept rotating.

When cleaning the rubber roller, be careful not to mix the glue with the cleaning water or solvent.

7.Packing data JF2245：50kg/barrel or 160kg/barrel

GF2245：1kg/barrel or 4kg/barrel

8.Hygienic standards

Comply with the national standard GB 9685 Hygienic standards for the use of additives in food containers and packaging materials related to adhesives

Comply with the national standard GB 9683 Hygienic standards for composite food packaging bags related to adhesives