Entropy Clear Casting Slow Hardener
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Entropy Clear Casting Slow Hardener (CCS) produces a low exotherm, long pot life reaction when mixed with Entropy Clear Casting Epoxy Resin (CCR). The high clarity and slow cure speed allows for bulk or high-build castings desirable for jewelry, furniture, and bar top or tabletop projects.
Clear Casting Resin (CCR) features low color, excellent air release, and UV stabilizer technology. The result is crystal clear products with excellent color stability.
Use CCR Resin with CCS slow hardener at a 2:1 mix ratio for large castings greater than 1 inch thick. Combined resin and hardener have a bio-content greater than 30%, and can be modified with epoxy compatible colorants and fillers.
| CCR/CCS Admixed | Specifications & Mechanical Data |
|---|---|
| Color | Clear |
| Mix Ratio by Volume | 2:1 (resin:hardener) |
| Mix Ratio by Weight | 100:43 (resin:hardener) |
| Mixed Viscosity @ 77°F | 195 cPs |
| Pot Life @ 77°F | 360 minutes (6 hours) |
| Tack-Free Time @ 77°F | 72 hours |
| Ideal Working Temperature Range | Optimal - 60-80°F; Extended - 50-90°F |
| Maximum Castable Amounts @ 77°F | 34 oz. (1000g); 8-inch cube |
| Recommended Full Cure | 7 days @ 77°F; Post cure recommended. |
| Tensile Strength | 7,910 psi |
| Elongation | 6.5% |
| Flexural Strength | 11,100 psi |
| Compression Strength | 10,860 psi |
| Tg Ultimate | 127°F |
| Hardness, Shore D | 70-80 |
| CCR Epoxy Resin Quantity | CCS Hardener Quantity | Mixed Quantity |
|---|---|---|
| 32 oz. | 16 oz. hardener | 48 oz. |
| 1/2 gallon resin | 1 qt. hardener | 3 qt. |
| 1 gallon resin | 1/2 gallon hardener | 1.5 gallons |
| 2 gallons resin | 1 gallon hardener | 3 gallons |
| 5 gallons resin | 2.5 gallons hardener | 7.5 gallons |
NOTE: Exact fill weight of 5 Gallon CCS Hardener is 4.904 gallons.
Technical Information
Clear Casting Slow Hardener (CCS) Combined with Clear Casting Epoxy Resin (CCR) Features
- Slow hardener for Entropy's Clear Casting Epoxy Resin (CCR).
- Green epoxy resin with slow room temperature cure; post cure recommended.
- Clear-as-water, low-viscosity resin ideal for hand layup and vacuum bagging.
- Great for high-color applications requiring a clear, non-yellowing resin system.
- UV-stable formula with relatively low viscosity.
- USDA BioPreferred Certified liquid epoxy resin system.
- Ideal for high-build or bulk castings greater than1 inch thick.
- CCS requires corresponding size of CCR Epoxy Resin for use (2:1 mix ratio). See chart below.
Clear Casting Epoxy Resin (CCR)/Clear Casting Slow Hardener (CCS) System Best Uses
- Bar or table top epoxy
- Embedding and encapsulation
- Resin castings, especially high-build or bulk castings greater than 1" thick
- Resin jewelry
- Art and craft resin
- Mold resin
Safety and Handling Information
Despite the natural derivation of Entropy resin products, exposure to these materials represents hazards typical of all epoxy resins. Exposure should be minimized and avoided through the use of proper personal protective clothing & equipment, and appropriate manufacturing controls. All persons who use, store, or transport these materials should understand proper handling precautions and recommendations, as stated in the SDS (safety data sheets).
WARNING: This product can expose you to chemicals, including propylene oxide, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov
Reviews for Entropy Clear Casting Slow Hardener
December 17, 2019
Verified Purchase
Very clear, minimal bubbles. One small batch did not cure, but it may have been a contaminated mixing cup. All other batches cured beautifully. Had to exchange slow cure hardener for "fast" cure, as I did not know the pot life/cure times at the time of purchase. I'm not known for my patience, but "fast" is pretty slow compared to other epoxies I've used. Check the manufacturers website for details.
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