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Key Differences
| Product Type |
|
|
| Mixed Viscosity | 7,000 cps | 21,000 cps |
| Mix Ratio By Volume | N/A (gram scale required) | 1A:1B |
| Pot Life | 90 minutes | 40 minutes |
| Cure Time | 4 hours | 7 hours |
| Barcol 935 Hardness | 93 | — |
| Shore A Hardness | — | 15 |
| Specific Volume | 18.22 cu. in./lb. | 25.8 cu. in./lb. |
| Color | Black | Translucent |
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 | Dragon Skin™ 15 | |
|---|---|---|
| Product Type |
|
|
| Mixed Viscosity | 7,000 cps | 21,000 cps |
| Mix Ratio By Volume | — | 1A:1B |
| Mix Ratio By Weight | 100A:13B | 1A:1B |
| Pot Life | 90 minutes | 40 minutes |
| Cure Time | 4 hours | 7 hours |
| Barcol 935 Hardness | 93 | — |
| Shore A Hardness | — | 15 |
| Specific Gravity | 1.52 g/cc | 1.07 g/cc |
| Specific Volume | 18.22 cu. in./lb. | 25.8 cu. in./lb. |
| Color | Black | Translucent |
| Die B Tear Strength | — | 112 pli |
| Tensile Strength | — | 537 psi |
| Tensile Modulus | 1,503,000 psi | — |
| Ultimate Tensile | 6,000 psi | — |
| Tensile Elongation | 0.42 % | — |
| Elongation @ Break | — | 771 % |
| 100% Modulus | — | 40 psi |
| 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. | <.001 in. / in. |
| Heat Deflection Temp | 129 °F | — |
| Useful Temperature (min) | — | -65 °F |
| Useful Temperature (max) | — | 450 °F |
| Dielectric Strength | — | >350 volts/mil |
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.
Dragon Skin™ 15
Dragon Skin™ silicones are high performance platinum cure liquid silicone compounds that are used for a variety of applications ranging from creating skin effects and other movie special effects to making production molds for casting a variety of materials. Because of the superior physical properties and flexibility of Dragon Skin™ rubbers, they are also used for medical prosthetics and cushioning applications. Dragon Skin™ rubbers are also used for a variety of industrial applications and have a service temperature range of a constant -65°F to +450°F (-53°C to +232°C).