| Category | Polymer , Thermoset , Epoxy |
| Manufacturer | Epoxy Technology |
| Trade Name | EPO-TEK® |
| Port | Shanghai port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | Epoxy Technology EPO-TEK® 302 Fast Setting, Optical Epoxy.pdf |
| Price | EMAIL US sales@lookpolymers.com |
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Specific Gravity | 0.900 g/cc | 0.900 g/cc | Part B |
| 1.20 g/cc | 1.20 g/cc | Part A | |
| Viscosity | 5000 - 10000 cP @Temperature 23.0 °C |
5000 - 10000 cP @Temperature 73.4 °F |
20 rpm |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Hardness, Shore D | 73 | 73 | |
| Tensile Modulus | 1.06 GPa | 154 ksi | Storage |
| Shear Strength | >= 11.7 MPa | >= 1700 psi | Die |
| 12.11 MPa | 1756 psi | Lap |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 52.0 µm/m-°C | 28.9 µin/in-°F | Below Tg |
| 191 µm/m-°C | 106 µin/in-°F | Above Tg | |
| Maximum Service Temperature, Air | 100 °C | 212 °F | Continuous |
| 200 °C | 392 °F | Intermittent | |
| Minimum Service Temperature, Air | -55.0 °C | -67.0 °F | Continuous |
| -55.0 °C | -67.0 °F | Intermittent | |
| Glass Transition Temp, Tg | >= 40.0 °C | >= 104 °F | Dynamic Cure 20—200°C /ISO 25 Min; Ramp 10—200°C @ 20°C/Min |
| Decomposition Temperature | 261 °C | 502 °F | Degradation Temperature |
| Optical Properties | Metric | English | Comments |
|---|---|---|---|
| Refractive Index | 1.5442 @Wavelength 589 nm |
1.5442 @Wavelength 589 nm |
uncured |
| Transmission, Visible | >= 75 % @Wavelength 340 - 420 nm |
>= 75 % @Wavelength 340 - 420 nm |
Spectral |
| >= 85 % @Wavelength 440 - 900 nm |
>= 85 % @Wavelength 440 - 900 nm |
Spectral | |
| >= 88 % @Wavelength 900 - 1600 nm |
>= 88 % @Wavelength 900 - 1600 nm |
Spectral |
| Electrical Properties | Metric | English | Comments |
|---|---|---|---|
| Volume Resistivity | >= 2.00e+13 ohm-cm | >= 2.00e+13 ohm-cm | |
| Dielectric Constant | 2.95 @Frequency 1000 Hz |
2.95 @Frequency 1000 Hz |
|
| Dissipation Factor | 0.010 @Frequency 1000 Hz |
0.010 @Frequency 1000 Hz |
| Processing Properties | Metric | English | Comments |
|---|---|---|---|
| Cure Time | 120 min @Temperature 23.0 °C |
2.00 hour @Temperature 73.4 °F |
|
| Pot Life | 10 min | 10 min | |
| Shelf Life | 12.0 Month @Temperature 25.0 °C |
12.0 Month @Temperature 77.0 °F |
| Descriptive Properties | Value | Comments |
|---|---|---|
| Color | Clear/Colorless | Part A |
| Clear/Colorless | Part B | |
| Consistency | Pourable liquid | |
| Mix Ratio By Weight | 1:1 | |
| Number of Components | Two | |
| Weight Loss | 2.68% | 200°C |
| 8.39% | 250°C |