Mold Star™ rubbers are easy to use platinum silicones which are mixed 1A:1B by volume (no weighing scale necessary). Mold Star™ silicones feature relatively low viscosities and vacuum degassing is not required for most applications. The pot life of Mold Star™ 15 SLOW is 50 minutes and cure time is 4 hours at room temperature.
Mold Star™ silicones cure to soft, strong rubbers which are tear resistant and exhibit very low long term shrinkage. Moulds made with Mold Star™ will last a long time in your mould library and are good for casting wax, gypsum, resins, concrete and other materials. Cured Mold Star™ rubber is heat resistant up to 450°F (232°C) and is suitable for casting low-temperature melt metal alloys.
Note: Mold Star™ rubbers are not intended for brush-on mouldmaking. This product will not cure against surfaces containing sulfur, even when sealed.
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