Reynolds Advanced Materials
Since 1963
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Free Form™ AIR

Lightweight Epoxy Putty

Free Form™ AIR is an extremely lightweight epoxy putty suitable for an infinite variety of industrial and art-related applications. This low-odor, low shrinkage putty is unique, inexpensive, and easy to use. Use to make rigid support shells or mother molds, as a filleting material in epoxy tooling, or in between layers of EpoxAmite™ and reinforcement fabric for making lightweight composite parts. Free Form™ AIR is so lightweight, it will float in water. It can be sanded, shaped, drilled, tapped and CNC machined/routered. It will readily accept any paint. Free Form™ AIR can also be color pigmented with UVO™ or Ignite™ colorants.


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ProductSizeNet WeightPriceQuantity
Free Form AIR
Lightweight epoxy putty MIX RATIO: 1A:1B by volume; POT LIFE & CURE TIME: dependant on thickness; HARDNESS: 50D; COLOR: GreyWARNING: Prop 65 NoticeWARNING: This product can expose you to chemicals including 1,2-Benzenedicarboxylic acid, which is known to the State of California to cause birth defects or other reproductive harm. For more information go to
Look Closer Trial Unit 1.8 lbs. $26.75
Look Closer Gallon Unit 6.8 lbs. $82.95
Look Closer 5-Gallon Unit 34 lbs. $376.72

Technical & Safety

Technical Bulletin


Additional Documents

alertA release agent is required to remove epoxy from most surfaces.