Silicones, Inc. GI-1120 is a high tear strength, tin-catalyzed RTV-2 silicone rubber. It was designed for casting polyester parts. Perfect for molds with deep undercuts and for molds that require flexing for part removal.
GI-1120 is not sensitive to inhibition, meaning it will cure at room temperature over virtually any surface. It is easy to mix and de-air, and will cure with only a slight degree of shrinkage. The speed at which the rubber hardens can be accelerated with special activators.
Color: WhiteActivator: BlueShore Hardness: 20AWorking time: 1.5 - 2.5 hoursCure Time: 16-18 hours Shelf Life: 6 months
This rubber is extremely useful for those applications where superior elongation and medium durometer are required.
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Condensation cure two-component silicone rubbers are excellent for most general mold making and prototype applications. They are excellent for casting waxes, gypsum, epoxies and other plastics.