Metal Coatings
Overprint Varnish
Protective overprint varnishes (HF420–HF628) for crown caps, closures, pencil boxes, and chemical containers. Provides a clear protective finish over printed or coated metal surfaces.
Key Features
- Crystal clear gloss finish
- Excellent scratch resistance
- Chemical and solvent resistance
- Multiple formulations for specific needs
- Compatible with all metal ink systems
Applications
- Crown cap overprint protection
- Closure exterior finish
- Pencil box and stationery tins
- Chemical pail exterior protection
- Decorative tin clear coat
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Technical Specifications
| Grades | HF420, HF425, HF520, HF628 |
| Type | Clear protective varnish |
| Application | Roller coating / Spray coating |
| Film Weight | 3–8 g/m² (dry) |
| Curing | 190–200°C for 10–12 min (PMT) |
| Gloss | ≥80 GU at 60° |
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