What is cold seal film?
Cold-seal packaging film is a products designed for those heat-sensitive products like chocolate bar, nutrient bar and ice-cream, etc.
Comparing to heat-seal, cold-seal requires only pressure during operation, no heat is needed.
Why use cold seal film?
The core functional part is it’s adhesive which is applied in a pattern on the backside of film. This job is done by precise coating operation, which requires highly specialized knowledge.
What’s more,the special adhesive is pressure-sensitive and one time use only. Therefore, the entire production process(including delivery) is controlled strictly.
Advantages
- Simpler structure
- Higher speed sealing
- None-heat operation
- Lower damage