ET3201 – Two-part Epoxy for Electronic Devices
ET3201 is two-component epoxy which exhibits low viscosity, easy to handle, excellent chemical resistance and perfect surface gloss. This product is suitable for various applications in electronics, such as potting, casting, sealing, encapsulating and bonding. ET3201 is ideally used for general purpose which require long work life.
Features and benefits
- The hardener of ET3201 will not yield an insoluble & whitish solid
- When exposing to air.
- The curing surface will not oilly and poor gloss
- Excellent insulation properties even under high humidity
- Long working time of ~ 8 hours
- Excellent chemical and solvent resistance
- Comply to the 2011/65/EU RoHS regulations
Certifications
Specifications
TYPICAL UNCURED PROPERTIES
| Properties | ET3201-A | ET3201-B |
| Appearance | Liquid | Liquid |
| Color | Colorless | Colorless |
| Viscosity *25ºC, cps |
3,000~5,000 S14, 100rpm |
10 S14, 100rpm |
| Specific Gravity | 1.16 | 0.98 |
TYPICAL CURING PROPERTIES
| Properties | Value |
| Mix Ratio (A:B) by Weight | 100 : 33 |
| Pot Life, 25ºC, hr | 8 |
| Through Cured Time, 25ºC, day | 2 |
| Through Cured Time, 80ºC, hr | 3 |
TYPICAL CURED PROPERTIES
| Glass Transition Temp., (DSC), ºC | 90 |
| CTE (<Tg), µm/m/ºC | 38 |
| CTE (>Tg), µm/m/ºC | 230 |
| Durometer Hardness, Shore D | 76 |
| Water Absorption Ratio (25ºC/24hr), % | 1.59 |
| Water Absorption Ratio (25 C/94%RH/ 30days), % |
0.01 |
| Shear Strength Al vs Al, kg/cm² | 180 |
| Tensile Strength MPa | 50 |
| Tensile Modulus MPa | 900 |
| Elongation, % | 10 |
| Toughness, J/m² | 5.0 |
| Notched Izod Impact Strength, J/m | 5.9 |
| Degradation Temp, (TGA 10ºC /min), ºC | 324 |
| Weight Loss Ratio@100ºC, % | 0 |
| Thermal Conductivity w/mk | 0.3 |
| Thermal Resistance m² k/w | 0.01 |
| Spectral Transmission@1,200-4,000nm,% | 80 |
| Volume Resistivity, ohm-cm | 4.5 *10^15 |
| Surface Resistivity, ohm | 5*10^14 |
| Dielectric Constant 100Hz | 4.1 |
*1 Specimen Cure Condition：80ºC / 1hr
*2 CTE: Coefficient of Thermal Expansion
Technical Documents
TDS - ET3201
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