High-Performance Cold Vulcanizing Adhesive
SUMI Cold Vulcanizing Cement
SUMI Cold Vulcanizing Cement (SUMI CVC) is a two-component, cold curing adhesive system specifically designed for conveyor belt splicing, rubber lining repairs, and rubber-to-rubber bonding. Formulated for demanding industrial environments, SUMI CVC delivers superior bond strength without the need for heat or specialized equipment.
Key Features
- Superior bond strength at ambient temperatures
- Excellent resistance to heat, oils, and chemicals
- Two-component system for reliable performance
- Fast curing — operational within hours
- Easy application with brush or roller
- Suitable for all types of conveyor belts
Technical Specifications
| Base | Polychloroprene |
| Color | Brown, Green, Off-white |
| Viscosity | Medium |
| Cure Time | 4–6 hours (at 25°C) |
| Full Strength | 24 hours |
| Temperature Range | −30°C to +80°C |
| Bond Strength | > 8 N/mm |
| Shelf Life | 12 months (sealed) |
Application Process
1 Clean and buff the bonding surfaces thoroughly.
2 Apply first coat of SUMI CVC evenly and allow to dry (15–20 min).
3 Apply second coat and allow to become tacky.
4 Apply SUMI Hardener to one surface.
5 Join surfaces immediately and apply uniform pressure.
6 Allow 4–6 hours for initial cure; 24 hours for full strength.
Applications
●
Conveyor belt splicing
●
Rubber lining repairs
●
Rubber-to-rubber bonding
●
Belt edge sealing
●
Patch repairs on conveyor belts
Packaging
Available in 1 kg, 5 kg, and 20 kg containers.
Storage
Store in a cool, dry place between 10°C–30°C. Keep container tightly sealed. Avoid direct sunlight.