Mold Star™ rubbers are easy to use platinum silicones which are mixed 1A:1B by volume. Mold Star 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. Molds made with Mold Star™ will last a long time in your mold library and are good for casting wax, gypsum, resins, 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.