Definition
A pressure-activated cohesive coating that seals to itself without heat, enabling fast packaging of heat-sensitive products.
Applications
- High-speed VFFS/HFFS lines
Benefits
- Higher line speeds
- Avoids heat damage
- Reduces energy and seal dwell limitations
Industry Examples
- Medical: cold-seal pouches for temperature-sensitive diagnostic reagents (when compatible).
- Industrial: high-speed kit packs where heat would warp inserts or labels.
- Electronics: used in packaging temperature-sensitive lithium battery components where heat sealing could damage internal chemistry.
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FAQ
Q: Does cold seal stick to anything?
A: No—designed to seal to itself (cohesive-to-cohesive).
Q: Can you print over cold seal?
A: Yes, but layout must avoid coating in print-critical areas.