GENERAL DESCRIPTION: HTR-250-FR is an unfilled tough, strong flame retardant resin system with good heat distortion, chemical resistance and excellent adhesive quality.
| Ratio by Weight | 100pbw to 25pbw |
| Ratio by Volume | 4 to 1 |
| Pot Life | 90 minutes |
| Shore "D" Hardness | 85-88 |
| Shore "D" @ 350º F | 84-86 |
| Flexural Strength @ 72ºF | 55,000 |
| Flexural Strength @ 350ºF | 36,000 |
| Flexural Modulus @ 72ºF | 6.25 x 106 |
| Flexural Modulus @ 350ºF | 4.10 x 106 |
| Heat Distortion | 375ºF |
| Density Resin | 9.6 |
| Density Hardener | 7.8 |
| Density Mixed | 9.25 |
| Specific Gravity Resin | 1.18 |
| Specific Gravity Hardener | .94 |
| Specific Gravity Mixed | 1.11 |
| Shelf Life Resin/Hardener | 1 year |