Heat press lamination is a process that requires precise temperature control.
The ideal temperature typically ranges from 70 to 103°C (158 to 217°F).
This range is crucial because it directly affects the adhesive properties of the laminating film, particularly the hot melt adhesives (EVA).
Proper temperature ensures that the film adheres correctly, preventing issues like shrinkage, bubbling, and wrinkling.
What Temperature is a Heat Press Lamination? (3 Key Factors to Consider)
1. Laminating Temperature Control
The temperature during the laminating process is critical.
It influences the state of the hot melt adhesive used in the laminating film.
At the right temperature, the adhesive melts and effectively bonds with the material being laminated, such as BOPP film, print ink layer, or paper.
If the temperature is too low, the adhesive may not melt sufficiently, leading to poor adhesion.
Conversely, if the temperature is too high, the film can shrink, and the laminated surface may appear too glossy or develop bubbles and wrinkles.
2. Optimal Temperature Range
The optimal temperature range for laminating is between 70 to 103°C (158 to 217°F).
This range ensures that the adhesive reaches a molten state that is conducive to good adhesion without causing the negative effects associated with overheating.
3. Importance of Temperature Consistency
Maintaining a consistent temperature across the entire surface of the platen is essential.
Inconsistent temperatures can lead to uneven adhesion, with some areas bonding well and others failing.
This can compromise the quality and durability of the laminate.
Continue exploring, consult our experts
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