- Collections
EPO-TEK H22 adhesive
Epo-Tek H22 is a two component, silver-filled epoxy system. Mixing ratio of silver resin paste and liquid hardener is 100:4.5. Pot life 16 hours, and shelf life is 6 months at room temperature.
Maximum Bond Line Cure Schedule:
| 150°C | 5 minutes |
| 120°C | 10 minutes |
| 100°C | 20 minutes |
| 80°C | 45 minutes |
Features:
- Smooth, free-flowing, slightly thixotropic paste
- High Tg allows it to be used for high temperature applications (≤300°C)
- Contains no solvents – It is a NASA approved low outgassing epoxy
- Excellent resistance to solvents, chemicals and moisture
- Extended pot life and fast curing at low temperature <100°C
- Designed for die bonding and sealing hybrid circuit. Recommended for SEM small angle cleavage and wafer bonding
Typical properties: (to be used as a guide only, not a specification).
| Physical Properties | ||
| Colour: | Part A – silver; Part B – amber | |
| Consistency: | Smooth, flowing paste | |
| Viscosity (@ 100 RPM / 23°C): | 12,000-20,000 cPs | |
| Thixotropic Index: | 2.36 | |
| Glass Transition Temp (Tg): | ≥100°C (Dynamic cure 20-200°C / ISO 25 Min; Ramp -10 to 200°C @ 20°C/Min) | |
| Coefficient of Thermal Expansion (CTE): | Below Tg: 39 x 10-6 in/in/°C Above Tg: 224 x 10-6 in/in/°C |
|
| Shore D hardness: | 80 | |
| Lap Shear Strength @ 23°C: | 1,980 psi | |
| Die Shear Strength @ 23°C: | ≥5 kg / 1,700 psi | |
| Degradation Temp (TGA): | 454°C | |
| Weight Loss: | @ 200°C: 0.09% @ 300°C: 1.42% |
@ 250°C: 0.23% |
| Operating Temp: | Continuous: -55°C to 250°C Intermittent: -55°C to 350°C |
|
| Storage Modulus @ 23°C: | 540,120 psi | |
| Ion: | Cl- 175 ppm Na+ 60 ppm |
NH4+ 148 ppm K+ 6 ppm |
| Particle Size: | ≤45µm | |
| Electrical Properties | ||
| Volume Resistivity @ 23°C: | ≤0.005 Ohm-cm | |
| Thermal Properties | ||
| Thermal Conductivity: | 0.94 W/mK | |
Part A MSDS
Part B MSDS
| Code | Pack Size | Availability | Price | Updated: 03-05-2026 |
|---|---|---|---|---|
| EMS12673-22 | 29.5ml | No ETA | $541.00 AUD |
* Availability Explanation
X weeks – the estimated lead time, based on the average time taken previously to fill orders from this particular supplier. Lead times are from when we receive your order until when we fill your order. For delivery times, please see shipping information below.
In Stock – Plenty of stock on the shelf, ready to ship.
No ETA – our supplier has advised they cannot provide an accurate ETA. Generally there is some issue with supply, and it may be more than 6 months.
