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Key Differences
| Mixed Viscosity | 650 cps | 5,000 cps |
| Pot Life | 60 minutes | 3 hours |
| Barcol 935 Hardness | — | 93 |
| Shore D Hardness | 80 | — |
| Specific Volume | 25.2 cu. in./lb. | 18.22 cu. in./lb. |
| Color | Clear | Black |
| Tensile Elongation | 2.3 % | 0.82 % |
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
| EpoxAmite™ HT | EpoxAcast™ 650 BLACK + HT Hardener | |
|---|---|---|
| Product Type |
|
|
| Mixed Viscosity | 650 cps | 5,000 cps |
| Mix Ratio By Weight | 100A:33B | 100A:10B |
| Pot Life | 60 minutes | 3 hours |
| Thin Film Working Time | 180 minutes | — |
| Cure Time | 24 hours | Twenty Four Hours Followed By Post Cures |
| Barcol 935 Hardness | — | 93 |
| Shore D Hardness | 80 | — |
| Specific Gravity | 1.10 g/cc | 1.52 g/cc |
| Specific Volume | 25.2 cu. in./lb. | 18.22 cu. in./lb. |
| Color | Clear | Black |
| Tensile Modulus | 342,000 psi | 1,079,000 psi |
| Ultimate Tensile | 6,500 psi | 6,900 psi |
| Tensile Elongation | 2.3 % | 0.82 % |
| Compressive Strength | 16,600 psi | 15,980 psi |
| Compressive Modulus | 168,000 psi | 134,000 psi |
| Flexural Strength | 12,325 psi | 10,850 psi |
| Flexural Modulus | 429,000 psi | 775,000 psi |
| Shrinkage | — | 0.007 in. / in. |
| Heat Deflection Temp | — | 187 °F |
| Flexural Modulus on 6 ply / 10 oz. Laminate | 2,216,000 psi | — |
| Flexural Strength on 6 ply / 10 oz. Laminate | 20,700 psi | — |
| Heat Deflection With Post Cure | 300 °F | — |
| Tensile Modulus on 6 ply / 10 oz. Laminate | 2,150,000 psi | — |
| Ultimate Tensile on 6 ply / 10 oz. Laminate | 32,100 psi | — |
Product Description
EpoxAmite™ HT
EpoxAmite™ HT High Temperature Laminating Epoxy is a water clear, UV resistant laminating epoxy that resists high temperatures up to 300°F / 149°C when properly cured. Pot life is 1 hour and cure time is 24 hours at 73°F / 23°C (post cure required – see post cure schedule). Ultra-low viscosity ensures uniform wetting out and fast penetration of reinforcement materials during hand lay-up or vacuum infusion processes. Cured resin offers superior physical properties.
EpoxAmite™ HT High Temp Laminating Epoxy can be used with S-Glass, E-Glass, Kevlar and carbon fibers for making composite tooling or parts. Applications include making high temperature pre-preg parts, bonding fixtures, vacuum form molds and prototype injection molds.
Use as a backup laminating resin for EpoxAcoat™ HT high temperature surface coat epoxy.
› Click here for more EpoxAmite™ resin products.
EpoxAcast™ 650 BLACK + HT 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.EpoxAcast™ 650 Black is used for making hard dies for metal stamping as well as patterns and fixtures. It is also used for electrical encapsulation to extend the life cycles and enhance the performance of potted electronic devices. The high compressive strength of EpoxAcast™ 650 Black makes it ideal for making stamping dies for production pressing of metal ornaments.