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Mold Star™ 16 FAST

Free Form™ AIR vs. Mold Star™ 16 FASTFree Form™ AIR

1A:1B Mix By Volume Platinum Silicone Mold Rubber

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Key Differences

Product Type
  • Epoxy Putties
  • Silicone Rubber - Platinum Cure
Mixed ViscosityDough12,500 cps
Shore D Hardness50
Shore A Hardness16
Specific Volume61.6 cu. in./lb.23.5 cu. in./lb.
ColorGreyBlue-Green
Disclaimer
Although we do our best to ensure accuracy, Smooth-On offers no warranties, promises, and/or representations of any kind, either expressed or implied, as to the accuracy, completeness, or reliability of the information contained on this Compare Tool, nor suitability of the information contained herein to your particular circumstances. Smooth-On assumes no liability for losses or damages of whatever nature (direct, indirect, consequential or other) associated with your use, or inability to use, the Compare Tool, or from your use (or failure to use) the information contained herein. Other useful tools include product technical bulletins and our extensive FAQ section. You can also contact our technical support team.

All Technical Data

Free Form™ AIRMold Star™ 16 FAST
Product Type
  • Epoxy Putties
  • Silicone Rubber - Platinum Cure
Mixed ViscosityDough12,500 cps
Mix Ratio By Volume1A:1B1A:1B
Mix Ratio By Weight1A:1B1A:1B
Pot Life6 minutes
Cure Time30 minutes
Shore D Hardness50
Shore A Hardness16
Specific Gravity0.45 g/cc1.18 g/cc
Specific Volume61.6 cu. in./lb.23.5 cu. in./lb.
ColorGreyBlue-Green
Die B Tear Strength88 pli
Tensile Strength400 psi
Elongation @ Break440 %
100% Modulus55 psi
Shrinkage<.001 in. / in.
Heat Deflection Temp140 °F
Useful Temperature (min)-65 °F
Useful Temperature (max)450 °F
Buoyant Force10.4 lb/ft³

Product Description

Free Form™ AIR

Free Form™AIR is an extremely lightweight epoxy putty suitable for an infinite variety of industrial and art-related applications. This is a low-odor, low shrinkage putty that is unique, inexpensive and easy to use. Free Form™AIR is mixed by hand with a 1A:1B by volume or weight mix ratio. It offers a long working time and cures overnight at room temperature to a hard, rigid epoxy that is very strong. Cured Free Form™AIR is so lightweight, it will float in water. It can be sanded, shaped, and drilled. It will readily accept any paint. Free Form can also be color pigmented with UVO™ or Ignite™ colorants.

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Mold Star™ 16 FAST

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™ 16 FAST is a fast material with a 6 minute pot life and 30 minute cure time.

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