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Key Differences
| Pot Life | 50 minutes | 6 minutes | 45 minutes |
| Cure Time | 4 hours | 30 minutes | 6 hours |
| Shore A Hardness | 15 | 16 | 30 |
| Color | Green | Blue-Green | Blue |
| Elongation @ Break | 440 % | 440 % | 339 % |
| 100% Modulus | 55 psi | 55 psi | 96 psi |
Disclaimer
Although we do our best to ensure the accuracy of this Compare Tool, Smooth-On offers no warranty either expressed or implied as to the reliability of the information contained herein. Smooth-On assumes no liability for loss or damage associated with use of the Compare Tool. If this is a critical project, we encourage you to review all of the technical data below and contact our Technical Service department with any questions or concerns.All Technical Data
| Mold Star™ 15 SLOW | Mold Star™ 16 FAST | Mold Star™ 30 | |
|---|---|---|---|
| Product Type |
|
|
|
| Mixed Viscosity | 12,500 cps | 12,500 cps | 12,500 cps |
| Mix Ratio By Volume | 1A:1B | 1A:1B | 1A:1B |
| Mix Ratio By Weight | 1A:1B | 1A:1B | — |
| Pot Life | 50 minutes | 6 minutes | 45 minutes |
| Cure Time | 4 hours | 30 minutes | 6 hours |
| Shore A Hardness | 15 | 16 | 30 |
| Specific Gravity | 1.18 g/cc | 1.18 g/cc | 1.12 g/cc |
| Specific Volume | 23.5 cu. in./lb. | 23.5 cu. in./lb. | 24.7 cu. in./lb. |
| Color | Green | Blue-Green | Blue |
| Die B Tear Strength | 88 pli | 88 pli | 88 pli |
| Tensile Strength | 400 psi | 400 psi | 420 psi |
| Elongation @ Break | 440 % | 440 % | 339 % |
| 100% Modulus | 55 psi | 55 psi | 96 psi |
| Shrinkage | <.001 in. / in. | <.001 in. / in. | <.001 in. / in. |
| Useful Temperature (min) | -65 °F | -65 °F | -65 °F |
| Useful Temperature (max) | 450 °F | 450 °F | 450 °F |
Product Description
Mold Star™ 15 SLOW
Mold Star™ rubbers are easy to use platinum silicones which are mixed 1A:1B by volume (no weighing scale necessary). Mold Star™ silicones feature relatively low viscosities and vacuum degassing is not required for most applications. The pot life of Mold Star™ 15 SLOW is 50 minutes and cure time is 4 hours at room temperature.
Mold Star™ 16 FAST
Mold Star™ rubbers are easy to use platinum silicones which are mixed 1A:1B by volume (no weighing scale necessary). Mold Star™ silicones feature relatively low viscosities and vacuum degassing is not required for most applications. Mold Star™ 16 FAST is a fast material with a 6 minute pot life and 30 minute cure time.
Mold Star™ 30
Mold Star™ rubbers are easy to use platinum silicones which are mixed 1A:1B by volume (no weighing scale necessary). Mold Star™ silicones feature relatively low viscosities and vacuum degassing is not required for most applications. Mold Star™ 30 is a harder material, with a 30A Shore hardness.