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Description for Dow Silastic M RTV Silicone Rubber
Good tear resistance, highest durometer, good inhibition resistance.Brand Silastic Application Type Mold-Making 1 Part or 2 Part 2 Part Material Form Fluid Substrate Casting plastics Industry Architectural, Architectural components Manufacturer Dow Chemistry Silicone rubber Cure Method Heat, Base/Curing Agent Cure Temperature (°C) 25, 25, 52, 65, 93, 121, 149 Cure Time (min) 960, 960, 60, 30, 15, 7, 5.00 Viscosity (cPs) 90,000, Pourable Color Regal Blue Other Resistance Inhibition Cut Resistance Cut-growth
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Cure Temperature Test Methods
Cure Temperature | Cure Time Test Method |
---|---|
25°C | Based on sample mask of 1 cubic inch. |
25°C | |
52°C | |
65°C | |
93°C | |
121°C | |
149°C |
Cure Time Test Methods
Cure Time | Test Method |
---|---|
960 min | Based on sample mask of 1 cubic inch. |
960 min | |
60 min | |
30 min | |
15 min | |
7 min | |
5.00 min |
Linear Shrinkage Test Methods
Linear Shrinkage | Test Method |
---|---|
0.10 % | After 7 days |
Set Time Test Methods
Set Time | Set Temperature |
---|---|
30 min | 65°C |
Viscosity Test Methods
Viscosity | Test Method | Temperature |
---|---|---|
90,000 cPs | Brookfield Viscometer Model HAF, spindle #6 at 5 rpm. | 25°C |
Pourable |
Tensile Strength Test Methods
Tensile Strength | Cure Time | Cure Temperature | Test Method |
---|---|---|---|
650 psi | 1,440 min | 25°C | Based on sample thickness of 125 mils, cured 24 hours at 77°F (25°C). |
Tear Strength Test Methods
Tear Strength | Cure Time | Cure Temperature | Test Method |
---|---|---|---|
90 (ppi) | 1,440 min | 25°C | Based on sample thickness of 125 mils, cured 24 hours at 77°F (25°C) |
Tear Resistance |
Elongation Test Methods
Elongation | Test Method |
---|---|
3 % | Based on sample thickness of 125 mils, cured 24 hours at 77°F (25°C). |
Shore A Hardness Test Methods
Shore A Hardness | Shore Hardness Test Method | Hardness Temperature |
---|---|---|
59 | Hardness/Durometer Test Method | 25°C |
Specific Gravity Test Methods
Specific Gravity | Temperature | Test Method |
---|---|---|
1.290 | 25°C | Based on sample thickness of 125 mils, cured 24 hours at 77°F (25°C). |