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Description
Per the requests of our customers we are introducing a series of room temperature cured silicones that are used In the labs.
Blue Silicone Rubber is extremely high tear, high tensile strength, two components, and tin catalyzed RTV silicone rubber. It is designed for casting polyurethane foam, polyester and epoxy parts. It is a superior product with the following advantages over the RTV silicones:
– Extremely high tear strength
– Low shrinkage Low viscosity
– Excellent chemical resistance
– Excellent shelf aging
– Color coded catalyst
– Long pot life Insensitive to inhibition
– Variable cure rate
– Good dielectric properties
Typical Properties
| Un-catalyzed Compound | Base | Activator |
| Color | White | Blue |
| Viscosity (cps) | 50,000-70,000 | 300-400 |
| Specific Gravity | 1.10 .99 | |
| Working time (hours) | 1.5 to 2.5 | |
| Cured Time (hours) | 16 to 18 | |
| Shelf Life ( months) | 6 |
Cured Rubber (7 days @ 70°F & 50% R.H.)
| Hardness Shore A 6 | 32 ± 4 |
| Tensile Strength (psi) | 525 ± 25 |
| Elongation (%) | 300 ± 25 |
| Tear, Resistance (ppi) | 120 ± 10 |
| Shrinkage (%) | 0.1 |
| Specific Gravity | 1.09 |
| Dielectric Strength (volts/mil) | 500 |
| Dielectric Constant @ 100Hz | 3.3 |
| Dissipation Factor @ 100Hz | 0.019 |
| Volume Resistivity (ohms/cm) | 1 x 1015 |
Ordering: Blue Silicone Rubber comes as a kit consisting of 1 gal (9 lb) silicone base and 1 pt (1lb) blue catalyst.
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