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Description for Dow Silastic V RTV Silicone Rubber
High tear strength, medium durometer, suited for architectural and prototype design.Brand Silastic Chemical Resistance Excellent Application Type Mold-Making 1 Part or 2 Part 2 Part Material Form Liquid Substrate Porous, Concrete Industry Architectural Manufacturer Dow Chemistry Silicone rubber Application Method Spatula Cure Method Base/Cruing agent Cure Temperature (°C) 23, 20 to 25 Cure Time (min) 1,440, 360 to 480 Viscosity (cPs) Medium, Thixotropic, 19,000, Non-flowable, Pourable Color Purple High Temperature Resistance (°C) 200
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Linear Shrinkage Test Methods
| Linear Shrinkage | Test Method |
|---|---|
| <0.10 % | After 7 days |
Viscosity Test Methods
| Viscosity | Test Method |
|---|---|
| Medium | |
| Thixotropic | |
| 19,000 cPs | Mixture (100:10 by weight) |
| Non-flowable | |
| Pourable |
Work / Pot Time Test Methods
| Work / Pot Time | Temperature |
|---|---|
| 60 to 90 min | 23°C |
Tensile Strength Test Methods
| Tensile Strength | Cure Time | Cure Temperature |
|---|---|---|
| 913 psi | 1,440 min | 23°C |
| 6.3 (Mpa) | 1,440 min | 23°C |
Tear Strength Test Methods
| Tear Strength | Cure Time | Cure Temperature | Test Method |
|---|---|---|---|
| 182 (ppi) | 1,440 min | 23°C | Die B |
| 32 (kN/m) | 1,440 min | 23°C | Die B |
| High | |||
| Tear Resistance |
Elongation Test Methods
| Elongation | Test Method |
|---|---|
| 500 % | Cured for 24 hours at 23°C (73.4°F) |
| High | Elongation Test Method |
Shore A Hardness Test Methods
| Shore A Hardness | Shore Hardness Test Method | Hardness Temperature |
|---|---|---|
| 38 to 40 | Hardness/Durometer Test Method | 23°C |
| 38 | Cured for 24 hours at 23°C (73.4°F) |
