GENERAL DESCRIPTION: MCR-507 is a tough, hard carbide filled casting material designed for surface facings of Kirksite Dies. This epoxy system is an exceptional material for applications requiring wear and abrasion resistance. MCR-507 features accurate detail and reproduction.
| Ratio by Weight | 100pbw to 10pbw |
| Ratio by Volume | 5.7 to 1 |
| Pot Life at 72ºF (200 gram mass) | 40 minutes |
| Cure Time | 24 hours |
| Shore "D" Room Temperature | 90 |
| Flexural Strength | 15,500 |
| Tensile Strength | 9,100 |
| Compressive Strength | 37,500 |
| Density Resin | 14.5 |
| Density Hardener | 8.2 |
| Density Mixed | 13.93 |
| Specific Gravity Resin | 1.75 |
| Specific Gravity Hardener | .98 |
| Specific Gravity Mixed | 1.68 |
| Shelf Life Resin/Hardener | 1 year |
USES:
- Hammer Forms
- Facing Kirksite Dies
- Mold Surfacing