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Key Differences
| Product Type |
|
|
| Mixed Viscosity | 7,000 cps | 400 cps |
| Mix Ratio By Volume | N/A (gram scale required) | 1A:1B |
| Pot Life | 90 minutes | 13 seconds |
| Cure Time | 4 hours | 10 minutes |
| Barcol 935 Hardness | 93 | — |
| Specific Gravity | 1.52 g/cc | 0.128 g/cc |
| Color | Black | Tan |
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
| EpoxAcast™ 650 BLACK + 102 Hardener | EZ-Spray™ Foam | |
|---|---|---|
| Product Type |
|
|
| Mixed Viscosity | 7,000 cps | 400 cps |
| Mix Ratio By Volume | — | 1A:1B |
| Mix Ratio By Weight | 100A:13B | — |
| Pot Life | 90 minutes | 13 seconds |
| Tack Free Time | — | 2 minutes |
| Cure Time | 4 hours | 10 minutes |
| Barcol 935 Hardness | 93 | — |
| Expansion (approximate) | — | 7 times |
| Specific Gravity | 1.52 g/cc | 0.128 g/cc |
| Specific Volume | 18.22 cu. in./lb. | — |
| Color | Black | Tan |
| Tensile Modulus | 1,503,000 psi | — |
| Ultimate Tensile | 6,000 psi | — |
| Tensile Elongation | 0.42 % | — |
| Compressive Strength | 16,350 psi | — |
| Compressive Modulus | 142,600 psi | — |
| Flexural Strength | 5,890 psi | — |
| Flexural Modulus | 710,000 psi | — |
| Shrinkage | 0.001 in. / in. | — |
| Heat Deflection Temp | 129 °F | — |
| Density | — | 8 lb/ft³ |
Product Description
EpoxAcast™ 650 BLACK + 102 Hardener
EpoxAcast™ 650 Black is a mineral filled general purpose casting epoxy that is low cost and versatile. It features a low mixed viscosity for minimal bubble entrapment.
EZ-Spray™ Foam
EZ~Spray™ Foam is a polyurethane foam compound that can be conveniently sprayed using Smooth-On’s EZ~Spray™ Junior System. Foam cures quickly to strong, lightweight and impact resistant 8 lb. rigid foam that can be used for a variety of applications including making lightweight castings. Foam can also be sprayed over certain rubber mold configurations as a mother mold material. For more information, refer to SmoothOn’s EZ~Spray™ Junior manual and video.