Mold StarŪ 15, 16, 20T and 30 Platinum Silicone Product Information
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Mold StarŪ Silicones
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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® 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 a harder material, with a 30A Shore hardness.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, 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 recommended with Mold Star® 15, 16 or 30 silicone rubbers.
Note: This product will not work with modeling clays containing sulfur under any circumstances.

Technical Sheets - You Will Need Adobe Reader To View These Files
Mold Star® 15, 16 and 30
Mold Star® 20T

Product Name: A:B Mix RatioDemold TimeElongation at BreakMixed ViscosityPot LifeShore A HardnessTear StrengthWeight: CU.IN./LBHow much
do I need?
Mold StarŪ 151:1 by volume4 hours440%12500 cps50 min.1588 pli23.5
Mold StarŪ 161:1 by volume30 min.440%12500 cps6 min.1688 pli23.5
Mold StarŪ 20T1:1 by volume30 min.470%11,000 cps6 min.2090 pli25.6
Mold StarŪ 301:1 by volume6 hours339%12500 cps45 min.3088 pli24.7

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