ET3202 – Two-part Structural Epoxy Adhesive
The ET3202 adhesive is specifically designed for optical products. It has a lengthy pot life and can be easily defoamed, making it highly user-friendly. This adhesive is perfect for general industrial applications that require a long working time. Additionally, it provides resistance against moisture and chemicals and has successfully passed numerous environmental test experiments.
Features and benefits
- This product offers excellent operability that is easy for casting.
- The hardening surface of the cured product will not exhibit a surface oiliness.
- This product complies with the 2011/65/EU RoHS regulations.
- This product complies with chlorine < 900ppm, bromine 900ppm, and chlorine + bromine < 1,500ppm.
Certifications
Specifications
TYPICAL UNCURED PROPERTIES
| Properties | ET3202-A | ET3202-B |
| Appearance | Liquid | Liquid |
| Color | Colorless | Colorless |
| Viscosity *25 C, cps |
4,000 ~ 6,000 S14, 100 rpm |
50 ~ 80 S14, 100 rpm |
TYPICAL CURING PROPERTIES
| Properties | |
| Mix Ratio (A:B) by Weight | 1:1 |
| Pot Life, 25 C, min | 8 |
| Gel Time 80°C, 5g, hr | 5~6 |
| Recommended Cure Time | 110°C/3hr+120°C/2hr |
* A:B= 1g:1g
TYPICAL CURED PROPERTIES
| Glass Transition Temp., (DSC), C | 130 |
| Durometer Hardness, Shore D | 86 |
| CTE (*2) (<Tg), μm/m/°C | 60 |
| Water Absorption Ratio (25 C/24hr), % | 0.20 |
| Shear Strength Al vs Al, kg/cm2 | 1.59 |
| Degradation Temp (TGA 10 C/min), C | 332 |
| Weight Loss Ratio @100 C, % | 0 |
| Weight Loss Ratio @150 C, % | 0.1 |
| Weight Loss Ratio @200 C, % | 0.2 |
| Weight Loss Ratio @250 C, % | 0.7 |
| Volume Resistivity | 5*10^15 ohm-cm |
| Surface Resistivity | 5*10^14 ohm |
| Dielectric Constant, 100Hz | 4.1 |
* Specimen Cure Condition：80oC / 1hr
Technical Documents
Technical Data Sheet - ET3202
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