Description: Master the art of architectural reproduction with our premium RTV-2 silicone rubber. Engineered specifically for the gypsum and GRG (Glass Reinforced Gypsum) industry, this silicone is the preferred choice for casting intricate ceiling roses, crown moldings, and decorative cornices.
Whether you are restoring historical plasterwork or manufacturing modern decor, our silicone ensures perfect fidelity. It flows easily into deep undercuts and cures to a durable rubber with high tear strength, allowing for the repeated demolding of long, fragile plaster sections without breakage.
Key Features:
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Exceptional Detail Capture: Low viscosity ensures bubble-free penetration into the finest floral and geometric patterns of ceiling medallions.
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High Tear Strength & Elongation: Withstands the mechanical stress of peeling molds off rigid plaster, even with deep undercuts and complex relief work.
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Dimensional Stability: Minimal shrinkage ensures that long cornice sections align perfectly during installation, eliminating gaps at joints.
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Versatile Application: Suitable for both pour-on block molds and brush-on skin molds (with thixotropic agent) for large, lightweight reproductions.
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Easy Release: Plaster and GRG parts release effortlessly, preserving the crisp edges of your design.
Applications:
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Gypsum/Plaster Cornices & Crown Moldings
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Ceiling Roses & Medallions
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GRG (Glass Reinforced Gypsum) Components
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Column Capitals & Pilasters
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Historical Restoration Projects
| Item | Color | Viscosity (mPa·s) | Hardness (Shore A) | Tensile Strength (MPa) | Elongation at Break % | Tear Strength (N/mm²) | Linear Shrinkage % |
| YS805 | White/translucnet | 12000±2000 | 5±2 | ≥1.5 | ≥550 | ≥8 | ≤0.3 |
| YS810 | White/translucent | 14000±2000 | 10±2 | ≥1.9 | ≥500 | ≥13 | ≤0.3 |
| YS815 | White/translucent | 16000±2000 | 15±2 | ≥2.1 | ≥500 | ≥17 | ≤0.3 |
| YS820 | White/translucent | 20000±2000 | 20±2 | ≥2.5 | ≥450 | ≥22 | ≤0.3 |
| YS825 | White/translucent | 21000±2000 | 25±2 | ≥3.0 | ≥450 | ≥23 | ≤0.3 |
| YS830 | White/translucent | 22000±2000 | 30±2 | ≥3.5 | ≥350 | ≥23 | ≤0.3 |
| YS835 | White/translucent | 22000±2000 | 35±2 | ≥3.5 | ≥310 | ≥22 | ≤0.3 |
| YS840 | White/translucent | 22000±2000 | 40±2 | ≥4.0 | ≥310 | ≥20 | ≤0.3 |
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