Complaint
Introduction of RTV -2 Liquid Silicone Rubber for Plaster Cornice Mold/Gypsum
RTV Silicone rubber two-component material. The mixed Part A base silicone and Part B curing agent can cure at room temperature by a condensation reaction,and the become a silicone rubber mold that can be used for objects reproduction.These RTV2 silicone rubber molds can be cast into different material for your target objects.The pouring material can be plaster, polyurethane, PU, GRC, cement, resin, polyester, wax etc...
Characteristics of RTV -2 Liquid Silicone Rubber for Plaster Cornice Mold/Gypsum
1. Good flow ability and long working time
2. Medium hardness
3. High tear and tensile strength
4. Easy de-mould from complex replica parts
5. Acid and alkali-resistance
6. Low linear shrinkage
Technical data-sheet of RTV -2 Liquid Silicone Rubber for Plaster Cornice Mold/Gypsum
Base and Curing Agent Mixture (100:3 by weight) in 25 °C (77F) testing
Item | Mixing Ratio | Color | Hardness (shore A) | Viscosity (cps) | Working Time (25°C) | Curing time (25°C) | Tear- Strength | Tensile- strength | Elongation | Shrinkage |
S815 | 100:3 | White | 15±2 | 11000 ±3000 | 30-50mins | 3-4h | 22±3 | ≥3.3 | ≥500 | ≤0.2% |
S820 | 100:3 | White | 20±2 | 14000 ±3000 | 30-50mins | 3-4h | 26±3 | ≥3.3 | 500 | ≤0.2% |
S825 | 100:3 | White | 25±2 | 22000 ±3000 | 30-50mins | 3-4h | 26±3 | ≥3.4 | 400 | ≤0.2% |
S830 | 100:3 | White | 30±2 | 24000 ±3000 | 30-50mins | 3-4h | 26±3 | ≥4.2 | 350 | ≤0.2% |
S835 | 100:3 | White | 35±2 | 28000 ±3000 | 30-50mins | 3-4h | 25±3 | ≥4.5 | 350 | ≤0.2% |
S840 | 100:3 | White | 40±2 | 15000 ±3000 | 30-50mins | 3-4h | 21±3 | ≥3.5 | 300 | ≤0.2% |
S845 | 100:3 | White | 45±2 | 14000 ±3000 | 30-50mins | 3-4h | 20±3 | ≥3.3 | 250 | ≤0.2% |
Instructions:
Packaging:
