Product description Silastic 3120 Hi Temperature RTV Silicone Rubber & 81F Catalyst - Shore A 60 - Condensation Cure Moulding Rubber FC-6600 / FC-6620 / FC-6630 / FC-6666 Polyurethane resins are not suitable to be used with condensation cure silicone, these resins must be used with addition cure silicone mould making rubber. Silastic 3120 Base is suited for the reproduction of figurines, art objects and similar items where no deep undercuts or complex shapes are present and where maximum heat stability is required. It is suitable for centrifugal casting of low melt alloys, e.g. metal soldiers etc. Outstanding release properties, High hardness (60 Shore A) for mould rigidity. Easily mixed and poured Cure at room temperature in any thickness Give accurate reproduction of masters for mould making Colour - Red Approximate Working Time - 8 Minutes Approximate Demould Time - 25 Minutes Viscosity at 25°C (77°F) - poise 280 Mix Ration - 10:1 Hardness Shore A : 60 High temperature stability to 250° C Tensile Strength die C psi :900 Elongation @ Break % : 120 Please note this silicone is powder filled, the filler is added to allow the silicone to withstand high temperatures for hot materials, therefore adds weight to the silicone, so the weight to volume ratio is considerably different, all our high temperature kits are sold by weight. While the supplied containers may not be full, they will contain the correct amount of both base and hardener according to the listing. At point of packaging and dispatch lids may be taped to prevent damage or spillage during transportation. This silicone is not suitable for food use. It is also not suitable for direct use on skin. Legal Disclaimer Unfortunately we are unable to ship this item to, Isle of Man, Channel Islands or any Scottish Islands. Orders placed for these addresses will be cancelled and refunded due to carrier restrictions.
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