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| Silastic 3120 Base&Dow Corning 1 Caralyst |
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General purpose silicone mold making rubber containing Iron oxyde for heat stability.
3120 Base with 1 Catalyst is recommended for casting low melt metals.
SILASTIC 3120 Moldmaking Rubber is a two-component material consisting of SILASTIC 3120 Base, which when mixed with DOW CORNING 1 Catalyst cures at room temperature by a condensation reaction.
A range of materials can be cast into the cured silicone mold: plaster, polyurethane, polyester and other reactive resins are materials typically used and especially low melting point metal alloys. |
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Appearance when cured: red
Curing Time (hours): 24
Durometer Hardness, Shore A: 60
Elongation at break (%): 120
Linear Shrinkage (%): 0.4-0.6
Mixed viscosity (mPa.s): 28,000
Mixed viscosity (Poise): 280
Mixing ratio: 100:10
Tear Strength (kN/m): < 10
Tear Strength (ppi): < 50
Working Time (minutes): 120 |
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