Product Review
RTV Silicone Mold Making Rubber for Resin Casting
Cast-A-Mold 25T is a general purpose rtv silicone elastomer which exhibits excellent tear strength, long library life, and accurate detail reproduction. Cast-A-Mold 25T is a condensation cured silicone (tin catalyzed ) It is used to make rubber molds that can be used to cast polyurethanes, epoxy's, polyester's, cement, concrete, soap, wax, plaster, etc.. It is easy to mix and de-air, and will cure at room temperature over virtually any surface. Cast-A-Mold 25T is extremely useful for applications where superior physical properties are required.
Properties:
Product: Cast-A-Mold 25T
Mix Ratio: 10:1 by weight
Working Time: 3.0 hours
Demold Time: 16 hour
Heat Deflection: 300 f +
Tensile Strength, psi: 660
Elongation %: 390
Tear Resistance, ppi: 140
Color: Green
Hardness: A-25
Viscosity: 40,000 cps
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