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Mold StarŪ 15 is an easy to use Shore 15A platinum silicone that is mixed 1A:1B by volume (no weighing scale necessary). It features a relatively low viscosity and vacuum degassing is not required for most applications. Pot life is an extra-long 50 minutes. Mold StarŪ 15 cures in 4 hours to a soft, strong rubber that is tear resistant and exhibits very low long term shrinkage. Molds made with Mold StarŪ will last a long time in your mold library and are good for casting wax, gypsum, resins, concrete and other materials. Mold StarŪ 15 is heat resistant up to 450°F (232°C) and is suitable for casting low-temperature melt metal alloys. Note: This product will not work with modeling clays containing sulfur under any circumstances.
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