Mold Star 30

SKU: 799759

Size: Pint Kit


Unit Size Net Weight
Pint Kit 2 lb
Gallon Kit 17.6 lb
Five Gallon Kit 88 lb



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. 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 compatible with Mold Star¨ rubbers.

Note: This product will not work with modeling clays containing sulfur under any circumstances.
Guide to Making Silicone Molds from SLA 3D Printed Models
Technical Properties
Mix Ratio by Weight 100A:96B
Mix Ratio by Volume 1A:1B
Pot Life 45 minutes
Cure Time 6 hours
Color Blue
Shore Hardness 30A
Mixed Viscosity 12,500 cps
Shrinkage < .001 in./in.
Specific Volume 24.7 cu. in./lb.
Specific Gravity
Useful Temperature (max)< 450¼F
Useful Temperature (min)< -65¼F
Tensile Strength 420 psi
100% Modulus 96 psi
Elongation @ Break 339%
Die B Tear Strength 88 pli


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