Mold Star 15 Slow

Unit Size	Net Weight
Pint Kit	2 lb
Gallon Kit	18 lb
Five Gallon Kit	90 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 450F (232C) 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	1A:1B
Mix Ratio by Volume	1A:1B
Pot Life	50 minutes
Cure Time	4 hours
Color	Green
Shore Hardness	15A
Mixed Viscosity	12,500 cps
Shrinkage	< .001 in./in.
Specific Volume	23.5 cu. in./lb.
Specific Gravity	1.18g/cc
Useful Temperature (max)<	450F
Useful Temperature (min)<	-65F
Tensile Strength	400 psi
100% Modulus	55 psi
Elongation @ Break	440%
Die B Tear Strength	88 pli

 

CASTING A SILICONE MOLD USING MOLD STAR SERIES SILICONES

Technical Bulletin

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