Mold Star rubbers are easy to use platinum silicone's which are mixed 1A:1B by volume (no weighing scale necessary). Mold Star silicone's feature relatively low viscosity 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 16 FAST is a faster material with a 6 minute pot life and 30 minute cure time. Mold Star 20T is a translucent rubber with a 6 minute pot life and 30 minute cure time. Mold Star 30 is 45 minutes and cure time is 6 hours at room temperature. Mold Star 30 is a harder material, with a 30A Shore hardness. Mold Star silicone's 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, 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: THI-VEX is NOT compatible with Mold Star 15, 16 or 30 silicone rubbers.
Trial Kit Contains: 1 Pint A (1 lb), 1 Pint B (1 lb) 1 Gallon Kit Contains: 1 Gallon A (9 lbs), 1 Gallon B (8.6 lbs) 5-Gallon Kit Contains: 5 Gallon A (45 lbs), 5 Gallon B (43 lbs) 55-Gallon Kit Contains: 55 Gallon A (495 lbs), 55 Gallon B (473 lbs)