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Key Differences
| Product Type |
|
|
| Mixed Viscosity | Dough | Putty |
| Pot Life | 90 minutes | 3 minutes |
| Cure Time | 16 hours | 30 minutes |
| Shore D Hardness | 85 | — |
| Shore A Hardness | — | 40 |
| Color | Grey | Light Pink |
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™ Habitat™ Fire Safe™ | PoYo™ Putty 40 | |
|---|---|---|
| Product Type |
|
|
| Mixed Viscosity | Dough | Putty |
| Mix Ratio By Volume | 1A:1B | 20A:1B |
| Mix Ratio By Weight | 1A:1B | 100A:6B |
| Pot Life | 90 minutes | 3 minutes |
| Cure Time | 16 hours | 30 minutes |
| Shore D Hardness | 85 | — |
| Shore A Hardness | — | 40 |
| Specific Gravity | 1.44 g/cc | 1.30 g/cc |
| Specific Volume | 17.3 cu. in./lb. | 21.31 cu. in./lb. |
| Color | Grey | Light Pink |
| Die B Tear Strength | — | 85 pli |
| Tensile Strength | — | 450 psi |
| Elongation @ Break | — | 250 % |
| Shrinkage | — | 0.003 in. / in. |
| Heat Deflection Temp | 160 °F | — |
| Useful Temperature (min) | — | -65 °F |
| Useful Temperature (max) | — | 400 °F |
| Heat Deflection With Post Cure | 212 °F | — |
Product Description
Free Form™ Habitat™ Fire Safe™
Free Form™ Habitat™ Fire Safe™ epoxy putty is a high density epoxy sculpting putty that is flame rated (E84, Class A). Habitat™ Fire Safe™ is solvent-free and contains no VOC’s. Working time is 90 minutes and cure time is 16 hours at room temperature (73° F/23° C). Epoxy cures to a very hard, flame and heat resistant material that is easily painted. Habitat™ Fire Safe™ does not contain any carcinogens (cancer causing agents).
PoYo™ Putty 40
PoYo™ Putty 40 is a two-component mold making silicones (tin catalyst) that can be mixed and applied “on site” – directly to almost any model. PoYo™ Putty will hold any vertical surface and capture even the finest detail - perfect for making strong rubber molds that can be used within minutes.
PoYo™ Putty has been used to make molds of valuable antiques and archeological models and can be used to make fast molds of sculpture, prototypes, candles, picture frames, coins, etc. You can cast wax, gypsum and a variety of resins into PoYo™ Putty molds.