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Key Differences
| Product Type |
|
|
| Mixed Viscosity | Dough | 1,140 cps |
| Pot Life | 90 minutes | 6 minutes |
| Cure Time | 16 hours | 60 minutes |
| Color | Grey | Tan |
| Heat Deflection Temp | 160 °F | 125 °F |
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™ | Smooth-Cast™ 380 | |
|---|---|---|
| Product Type |
|
|
| Mixed Viscosity | Dough | 1,140 cps |
| Mix Ratio By Volume | 1A:1B | 1A:1B |
| Mix Ratio By Weight | 1A:1B | 1A:1B |
| Pot Life | 90 minutes | 6 minutes |
| Cure Time | 16 hours | 60 minutes |
| Shore D Hardness | 85 | 82 |
| Specific Gravity | 1.44 g/cc | 1.74 g/cc |
| Specific Volume | 17.3 cu. in./lb. | 15.9 cu. in./lb. |
| Color | Grey | Tan |
| Tensile Strength | — | 3,550 psi |
| Tensile Modulus | — | 490,000 psi |
| Elongation @ Break | — | 1.43 % |
| Compressive Strength | — | 7,860 psi |
| Compressive Modulus | — | 126,000 psi |
| Flexural Strength | — | 4,870 psi |
| Flexural Modulus | — | 315,000 psi |
| Shrinkage | — | 0.0025 in. / in. |
| Heat Deflection Temp | 160 °F | 125 °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).
Smooth-Cast™ 380
Smooth-Cast™ 380 is a filled, high density casting resin formulated for a variety of tooling applications. This no-odor resin features a convenient 1A:1B mix ratio by volume, a 6 minute pot-life and cure time of about 60 minutes depending on mass and temperature. Low viscosity ensures minimal bubble entrapment and long term shrinkage of cured resin is very low. Cured material is very strong can be machined, drilled, sanded, etc. Color can be added with SO-Strong™ color tints.