Free Form Air Epoxy Putty

SKU: 799779

Size: Quart Kit
Sale price$54.95

unit(s) in Stock.


unit(s) in Stock.


unit(s) in Stock.

* Price and availability may vary.
* If unit(s) in stock is 0, item is currently unavailable or special order.


Unit Size Net Weight
Quart Kit 1.8 lb
Gallon Kit 6.8 lb
Five Gallon Kit 34 lb



Free Form 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 is mixed by hand with a 1A:1B by volume mix ratio. It offers a long working time and cures overnight at room temperature to a hard, rigid epoxy that is very strong with modeling board-like properties. Cured Free Form 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 can also be color pigmented with SO-Strong or Ignite colorants.
Technical Properties
Mix Ratio by Weight 1A:1B
Mix Ratio by Volume 1A:1B
Color Grey
Shore Hardness 50D
Mixed Viscosity Dough
Specific Volume 61.6 cu. in./lb.
Specific Gravity 0.45g/cc
Heat Deflection Temp 140¼F


After mixing, Free Form can be pressed into a mold to make a lightweight, detailed casting. It will hold vertical surfaces and can be applied to almost any surface including polystyrene foam for rough sculpting. Free Form putty can also be used to make rigid support shells or mother molds.
Epoxy Laminating
Laminate Free Form putty in between layers of EpoxAmite Laminating Epoxy and fiberglass cloth, carbon or other fiber for making lightweight composite parts. Eliminates the need to make multiple layers of laminating with liquid epoxy; saves time and labor.
Epoxy Tooling Applications
Use as a filleting material. Also good for jig and fixture construction.
Used as a lightweight adhesive, Free Form will bond to itself and a variety of surfaces including wood, stone and EpoxAcoat Red surface coat epoxy. Free Form will even cure under water.
Pot Life/Working Time
This material is mass sensitive. The more material you mix at one time, the less time you have to work with it. Working tip,; If mixing a large quantity, flatten putty with a rolling pin to reduce mass concentration and extend pot life.

1.5 inch (3.81 cm), pot life is 30 minutes, handling time is 2.5 hours, full cure in 24 hours.

3/8" (0.95 cm), pot life is 60 minutes, handling time is 4 hours, full cure in 24 hours.

1/8" (0.32 cm), pot life is 120 minutes; handling time is 8 hours, full cure in 24 hours.

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