AeroMarine Products AM125 Silicone Moldmaking Rubber RTV is a two component, room temperature tin condensation cure silicone material. The cured rubber has excellent mechanical properties and good shelf-life stability. This material is an excellent choice for beginning mold makers, quickly making one or two part molds and making molds for candles and soap. The simple 1:1 mix ratio is by volume and is sold by volume NOT weight. The 1 gallon kit size has a durometer of 25 Shore A.
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