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Prototype Molding
ELASTOSIL® M silicone rubber grades are some of the highest quality, most technically advanced materials used in vacuum casting. The properties of pourable, addition-curing ELASTOSIL® M silicone rubber have been specially tailored to the needs of vacuum casting for rapid prototyping and small-series production.
Benefits:
- Good flow
- Fast, shrink-free curing at room temperature, which can be greatly accelerated by heating
- High transparency
- High tear resistance
- Outstanding long-term stability of the cured rubber’s mechanical properties
- Excellent resistance to casting resins and polyamide
Applications:
- Visualization models
- Working models
- Pre-series models
- Wax models
- Small series
Product Recommendations
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Products
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Technical data
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Product properties
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| Viscosity, dynamic | Tear strength | Hardness Shore A | Tensile strength | Elongation at break | Resistance | Surface property | Regulation | Product Rheology | Crosslinking Property | Vulcanizate | ||
| - - | - - | - - | - - | - - | - | - | - | - | - | - | ||
| - - | - - | - - | - - | - - | - | - | - | - | - | - | ||
| 50000 mPa·s[1] 50000 mPa·s[1] | > 25 N/mm[4] > 25 N/mm[4] | 43[5] 43[5] | > 4.5 N/mm²[7] > 4.5 N/mm²[7] | > 300 %[9] > 300 %[9] | Resistance against PU | Dry surface | Food-contact | Flowable | No chemical shrinkage, Two-component, Addition Curing | Highly transparent | ||
| 70000 mPa·s[1] 70000 mPa·s[1] | > 25 N/mm[4] > 25 N/mm[4] | 40[5] 40[5] | 5.5 N/mm²[7] 5.5 N/mm²[7] | 400 %[9] 400 %[9] | Resistance against PU | Slightly oil bleeding | - | Flowable | No chemical shrinkage, Two-component, Addition Curing | Highly transparent | ||
| 50000 mPa·s[1] 50000 mPa·s[1] | > 28 N/mm[4] > 28 N/mm[4] | 40[5] 40[5] | 5 N/mm²[7] 5 N/mm²[7] | 330 %[9] 330 %[9] | Resistance against PU | Strong oil bleeding | - | Flowable | No chemical shrinkage, Two-component, Addition Curing | Highly transparent | ||
| 120000 mPa·s[1] 120000 mPa·s[1] | 15 N/mm[4] 15 N/mm[4] | 55[6] 55[6] | 5.5 N/mm²[8] 5.5 N/mm²[8] | 280 %[10] 280 %[10] | Resistance against polyester, Resistance against epoxy resins, Resistance against PU | Dry surface | Food-contact | Flowable | No chemical shrinkage, Two-component, Addition Curing | - | ||
| 5.000 mPa·s[2] 5.000 mPa·s[2] | 15[4] 15[4] | 15[6] 15[6] | 6.5 N/mm²[8] 6.5 N/mm²[8] | 900 %[10] 900 %[10] | - | - | Food-contact | Flowable | No chemical shrinkage, Two-component, Addition Curing | - | ||
| 15.000 mPa·s[3] 15.000 mPa·s[3] | 15 N/mm[4] 15 N/mm[4] | 40[6] 40[6] | 8 N/mm²[8] 8 N/mm²[8] | 450 %[10] 450 %[10] | - | - | Food-contact | Flowable | No chemical shrinkage, Two-component, Addition Curing | - | ||
| - - | - - | - - | - - | - - | - | - | - | - | - | - | ||
Legend
[1] Viscosity, dynamic after stirring | 23 °C | ISO 3219, [2] Viscosity, dynamic 23°C, stirred | ISO 3219, [3] Viscosity, dynamic 23° C, stirred | ISO 3219, [4] Tear strength | ASTM D 624 B, [5] Hardness Shore A | ISO 868, [6] Hardness Shore A | DIN ISO 48-4, [7] Tensile strength | ISO 37, [8] Tensile strength | ISO 37 type 1, [9] Elongation at break | ISO 37, [10] Elongation at break | ISO 37 type 1
[1] Viscosity, dynamic after stirring | 23 °C | ISO 3219, [2] Viscosity, dynamic 23°C, stirred | ISO 3219, [3] Viscosity, dynamic 23° C, stirred | ISO 3219, [4] Tear strength | ASTM D 624 B, [5] Hardness Shore A | ISO 868, [6] Hardness Shore A | DIN ISO 48-4, [7] Tensile strength | ISO 37, [8] Tensile strength | ISO 37 type 1, [9] Elongation at break | ISO 37, [10] Elongation at break | ISO 37 type 1