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 has abrasion resistance. MCR-507 features accurate detail and reproduction. This product has very long Pot Life which can be used for large castings.
| Ratio by Weight | 100pbw to 2pbw |
| Ratio by Volume | 2.79 to 1 |
| Pot Life at 72ºF (200 gram mass) | 48-72 hours |
| Cure Time | 48-72 hours |
| Shore "D" Room Temperature | 90 |
| Flexural Strength | 21,000 |
| Tensile Strength | 9,100 |
| Compressive Strength | 37,500 |
| Heat Distortion | 375ºF |
| Density Resin | 14.5 |
| Density Hardener | 8.1 |
| Density Mixed | 14.37 |
| Specific Gravity Resin | 1.75 |
| Specific Gravity Hardener | 0.985 |
| Specific Gravity Mixed | 1.73 |
| Shelf Life Resin/Hardener | 1 year |
USES:
- Hammer Forms
- Facing Kirksite Dies
- Mold Surfacing
- Very Large Castings