Smooth-On Mold Star 30 2 Gallon Kit

Article number: 751635227613
Availability: In stock (5)

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.

Product Name:   A:B Mix Ratio     Demold Time      Elongation at Break      Mixed Viscosity      Pot Life      Shore A Hardness      Tear Strength     Weight: CU.IN./LB

Mold Star® 15    1:1 by volume          4 hours                    440%                       12500 cps           50 min.                  15                         88 pli                        23.5

Mold Star® 16    1:1 by volume          30 min.                     440%                      12500 cps           6 min.                    16                         88 pli                        23.5

Mold Star® 20T  1:1 by volume          30 min.                     470%                      11,000 cps          6 min.                    20                         90 pli                        25.6

Mold Star® 30    1:1 by volume          6 hours                     339%                      12500 cps           45 min.                  30                         88 pli                        24.7

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