ZA 35 MOULD is a bi-component addition cured RTV silicone rubber which vulcanizes at room temperature
Compatible with all plasters, coatings, polyurethane resins and acrylic resins.
Main application sectors
- Mouldmaking and model-making due to its considerable precision in reproduction, high dimensional stability and high mechanical resistance
- Artistic ceramics due to its high dimensional stability, considerable fluidity
Chemical and physical characteristics
| |
Metric system |
USA system |
| Mixing ratio |
1 : 1 |
- |
| Density |
1.18 g/cc |
- |
| Viscosity of the mix pre-catalisation |
4100 ± 300 cP |
- |
| Mixing time at 23 °C (73 °F) |
1' |
- |
| Working time at 23 °C (73 °F) |
12’ - 15’ |
- |
| Setting time at 23 °C (73 °F) |
1 h |
- |
| Hardness Shore-A after 24 hours |
35 ± 2 ShA |
- |
| Tensile strenght |
3.0 ± 0.2 N/mm² |
435 ± 29 psi |
| Elongation at break |
300 ± 20% |
- |
| Tear resistance (Die B) |
7 ± 1 N/mm |
40 ± 6 ppi |
| Tear resistance (Die C) |
9 ± 1 N/mm |
51 ± 6 ppi |
