Dow Silastic M RTV Silicone Rubber Datasheet Dow Silastic M RTV Silicone Rubber

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  • Description for Dow Silastic M RTV Silicone Rubber

    Good tear resistance, highest durometer, good inhibition resistance.

    *See Terms of Use Below

    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).