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Waterborne Adhesive

Waterborne Thermal Lamination Adhesive 772

  1. Cost-effective, suitable for large-scale production.
  2. Relatively fast machine startup, improving work efficiency.
  3. Good leveling properties for smooth and even coating.
  4. Strong initial tack and high peel strength for secure bonding.
  5. Supports long-term continuous thermal lamination without foaming, ensuring stable operation.
  6. Particularly suitable for thermal lamination of paper and BOPP film, delivering high gloss and strong adhesion with excellent visual and structural performance.

 Technical Specifications

Item Value
Appearance Slightly bluish viscous liquid
Viscosity 25–35 s (25°C, #4 cup)
pH Value 6.5–7.5
Solid Content 42 ± 2%
Shelf Life 6 months (5°C–50°C)
Packaging 50KG plastic drum

Application Process

  1. Designed for dry lamination and requires a laminating machine with a drying tunnel and heated rollers.
  2. Recommended operating parameters:
    – Drying tunnel temperature: 60–95°C
    – Laminating roller temperature: 60–80°C
    – Laminating pressure: 8–20 kg/cm²
  3. When conditions allow, it is recommended to dry the adhesive to 70%–90% before lamination, because:
    – The laminated product will have higher gloss
    – The lamination speed can be faster
    – The laminating roller temperature should be kept below 50°C to prevent bubbling
    – Pressure should be slightly reduced to avoid adhesive extrusion

Precautions

When using a fully dried adhesive process, increase the laminating roller temperature and pressure appropriately (without damaging the film) to achieve better bonding strength.

 

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