GENERAL DESCRIPTION: HTR-212 is an unfilled clear epoxy room temperature curing laminating system used in high temperature and room temperature applications. HTR-212 is a tough, strong resin with good heat distortion, chemical resistance and excellent adhesive and wetting quality on Kevlar, Carbon Graphite and Fiberglass Cloth. Uses: clear laminate, carbon graphite thin skins and vacuum bagging.
| Ratio by Weight | 100pbw to 33pbw |
| Ratio by Volume | 2.5 to 1 |
| Pot Life at 72ºF (200 Grams Mass) | 40 minutes |
| Cure Time | 24 hours |
| Shore "D" Room Temperature | 80 |
| Flexural Strength | 41,100 |
| Flexural Modulus | 1.98 |
| Tensile Strength | 12,500 |
| Compressive Strength | 17,500 |
| Heat Distortion | 325ºF |
| Density Resin | 9.7 |
| Density Hardener | 8.0 |
| Density Mixed | 9.2 |
| Specific Gravity Resin | 1.16 |
| Specific Gravity Hardener | .96 |
| Specific Gravity Mixed | 1.11 |
| Shelf Life Resin/Hardener | 1 year |