ADVANTAGES
• Imparts excellent thermal shock resistance
• Provides toughness and resiliency in standard liquid epoxy resin formulations
• Provides good electrical properties up to 140 °F (60 °C)
• Very low vapor pressure
APPLICATIONS
• Electrical potting and encapsulation
• Ambient and heat-cured structural adhesives for aerospace, automotive, electrical and other high-performance applications
• Composite binders
STORAGE LIFE
At least 12 months from the date of manufacture in the original sealed container at ambient temperature. Store away from excessive heat and humidity in tightly closed containers.
HANDLING PRECAUTIONS
Refer to the Material Safety Data Sheet for Ancamine 1922A curing agent.
TYPICAL CURE SCHEDULE
1) 2-7 days at ambient temperature.
2) Gel at ambient temperature plus 2 hours at 212 °F (100 °C).
| TYPICAL PROPERTIES | |
| Appearance | Colorless Liquid |
| Color①(Gardner) | 1 |
| Viscosity ②@ 77 °F (25 °C) (cP) | 10 |
| Amine Value③ (mg KOH/g) | 507 |
| Specific Gravity ④@ 77 °F (25 °C) | 1.00 |
| Density @ 77 °F (25 °C) (lb/gal) | 8.4 |
| Flash Point⑤(°F) | 335 |
| Equivalent Wt/{H} | 55 |
Recommended Use Level (phr, EEW=190) | 29 |
| TYPICAL HANDLING PROPERTIES | |
| Gel Time⑥ [150g mix @ 77 °F (25 °C)] (min) | 57 |
| Peak Exotherm(7) (100g mass) (°F) | 306 |
| Peak Exotherm Time (min) | 85 |
| TYPICAL PERFORMANCE | |
| 7-day cure @ ambient temperature | |
| Glass Transition Temp (ASTM D3418-82) (°F) | 117 |
| Flexural Strength⑧ (psi) | 13,200 |
| Flexural Modulus⑧ (psi) | 400,000 |
Footnotes:
(1) ASTM D1544-80
(2) ASTM D455-83
(3) Perchloric Acid Titration
(4) ASTM D147-85
(5) Seta Flash Closed Cup
(6) Techne GT-4 Gelation Timer
(7) ASTM D2471-71
(8) ASTM D790-86
