C
mpare
T
l
Key Differences
| Product Type |
|
|
| Mixed Viscosity | 12,000 cps | 250 cps |
| Pot Life | 4 hours | 25 minutes |
| Shore D Hardness | 90 | — |
| Shore A Hardness | — | 95 |
| Specific Volume | 16.5 cu. in./lb. | 26.8 cu. in./lb. |
| Color | Grey | Clear |
| Shrinkage | 0.001 in. / in. | 0.0028 in. / in. |
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™ 655 + HT Hardener | Clear Flex™ 95 | |
|---|---|---|
| Product Type |
|
|
| Mixed Viscosity | 12,000 cps | 250 cps |
| Mix Ratio By Weight | 100A:8B | 1A:1.5B |
| Pot Life | 4 hours | 25 minutes |
| Cure Time | Twenty Four Hours Followed By Post Cures | 16 hours |
| Shore D Hardness | 90 | — |
| Shore A Hardness | — | 95 |
| Specific Gravity | 1.64 g/cc | 1.04 g/cc |
| Specific Volume | 16.5 cu. in./lb. | 26.8 cu. in./lb. |
| Color | Grey | Clear |
| Die C Tear Strength | — | 200 pli |
| Tensile Strength | — | 2,500 psi |
| Tensile Modulus | 7,200,000 psi | — |
| Ultimate Tensile | 6,000 psi | — |
| Tensile Elongation | 0.50 % | — |
| Elongation @ Break | — | 175 % |
| Compressive Strength | 15,700 psi | — |
| Compressive Modulus | 270,000 psi | — |
| Shrinkage | 0.001 in. / in. | 0.0028 in. / in. |
| Heat Deflection Temp | 225 °F | — |
| Dielectric Constant, 100Hz | — | 6.62 |
| Dielectric Strength | — | 474 volts/mil |
| Dissipation Factor, 100Hz | — | 0.103 |
| Index of Refraction at 20°C | — | 1.49317 |
| Index of Refraction at 25°C | — | 1.49151 |
| Thermal Conductivity | 0.675 W/M*K | — |
| Volume Resistance | — | >7.646E+13 ohm |
| Volume Resistivity | — | >6.014E+15 ohm/cm |
Product Description
EpoxAcast™ 655 + HT Hardener
EpoxAcast™ 655 (formerly Metalset™ A-30) is a versatile aluminum filled castable epoxy resin that is very hard and strong. It is dimensionally stable, even when mass cast up to 512 in³ / 8,390 cm³. Maximum heat resistance is achieved using HT HIGH TEMP hardener (up to 225°F/108°C).
Clear Flex™ 95
Clear Flex™ 95 is a water white clear urethane liquid rubber compounds designed for applications that require absolute clarity and resistance to sunlight. Low viscosity ensures easy mixing and pouring. Clear Flex™ 95 cures at room temperature with negligible shrinkage.
CAUTION: NOT FOR HOME USE. THIS PRODUCT IS FOR INDUSTRIAL USE ONLY. With adequate local exhaust ventilation, respiratory protection is not normally required when using this product. Where risk assessment shows air-purifying respirators are appropriate, follow OSHA respirator regulations and European Standards EN 141, 143 and 371. Protective clothing (gloves and long sleeves) is required to minimize the risk of dermal sensitization. If breathing is affected or a dermal rash develops, immediately cease using this product and seek medical attention. Read SDS before using.