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EPO-TEK H20S adhesive
EPO-TEK H20S is a modified version of EPO-TEK H20E. EPO-TEK H20S is a highly reliable, two component, silver-filled epoxy with a smooth, thixotropic consistency (mixing ratio 1:1). This modified version offers high electrical conductivity, short curing cycles, proven reliability, and the convenient mix ratio, EPO-TEK H20S is extremely simple to use. EPO-TEK H20S pot life is 2.5 days and shelf life is one year when store at room temperature.
Maximum Bond Line Cure Schedule:
| 175°C | 45 seconds |
| 150°C | 5 minutes |
| 120°C | 15 minutes |
| 100°C | 45 minutes |
| 80°C | 90 minutes |
Typical properties: (to be used as a guide only, not a specification)
| Physical Properties | ||
| Colour: | Part A: silver; Part B: silver | |
| Consistency: | Smooth, thixotropic paste | |
| Viscosity (@ 100 RPM / 23°C): | 1,800-2,800 cPs | |
| Thixotropic Index: | 5 | |
| Glass Transition Temp (Tg): | ≥80°C (Dynamic cure 20 – 200°C / ISO 25 Min; Ramp -10 to 200°C @ 20°C/Min) | |
| Coefficient of Thermal Expansion (CTE): | Below Tg: 31 x 10-6 in/in/°C Above Tg: 120 x 10-6 in/in/°C |
|
| Shore D hardness: | 57 | |
| Lap Shear Strength @ 23°C: | 1,240 psi | |
| Die Shear Strength @ 23°C: | ≥5 kg / 1,700 psi | |
| Degradation Temp (TGA): | 414°C | |
| Weight Loss: | @ 200°C: 0.40% @ 300°C: 1.37% |
@ 250°C: 0.60% |
| Operating Temp: | Continuous: -55°C to 200°C Intermittent: -55°C to 300°C |
|
| Storage Modulus @ 23°C: | 339,720 psi | |
| Ion: | Cl- 162 ppm Na+ 0 ppm |
NH4+ 282 ppm K+ 4 ppm |
| Particle Size: | ≤20 microns | |
| Electrical Properties | ||
| Volume Resistivity @ 23°C: | ≤0.0005 Ohm-cm | |
| Thermal Properties | ||
| Thermal Conductivity: | 3.25 W/mK | |
PartA MSDSÂ
Part B MSDS
| Code | Pack Size | Availability | Price | Updated: 03-05-2026 |
|---|---|---|---|---|
| EMS12672-20S | 29.5ml | No ETA | $583.00 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.
