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RTV Silicone Rubber for Jesmonite, polyurethane/polyester/epoxy resin, unsaturated resin, plaster, candles and gypsum crafts, toys, soaps, statues, casting, mould making and more....
Add 5% of catalyst by weight to silicone rubber base. Please use a precise electronic scale to weigh the rubber and catalyst.
Mixing proportions and temperature:
Silicone Kit F23 (500g + 25g)