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EPO-TEK® ED1021
| Category: | Epoxy , Epoxy; Epoxide |
| Manufacturer: | Epoxy Technology Inc. |
| Trademark: | EPO-TEK® |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | uT7HW8_EPO-TEK-ED1021.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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A single component, silver-filled epoxy designed for low power semiconductor LED die attach applications. Unique features include its ability to achieve high thermal conductivity values at low cure temperatures and a very shiny silver appearance which enhances overall LED brightness. Other benefits include long pot-life, low viscosity and high thixotropy makng it ideal for wafer level stamping as well as syringe dispensing. Formerly 77-190-2 |
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| RoHS Compliance |
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| Physical | Nominal Value | Unit | |
|---|---|---|---|
| Ion Type | |||
| Cl- | < 10 | ppm | |
| K+ | 1 | ppm | |
| Na+ | 3 | ppm | |
| NH4+ | 9 | ppm | |
| Particle Size | < 20.0 | µm |
| Additional Information | Nominal Value | Unit | |
|---|---|---|---|
| Degradation Temperature | 403 | °C | |
| Operating Temperature | |||
| Continuous | -55 to 200 | °C | |
| Intermittent | -55 to 300 | °C | |
| Storage Modulus (23°C) | 178 | MPa | |
| Thixotropic Index | 4.20 | ||
| Weight Loss on Heating | |||
| 200°C | 0.35 | % | |
| 250°C | 0.41 | % | |
| 300°C | 0.56 | % |
| Thermal | Nominal Value | Unit | |
|---|---|---|---|
| Glass Transition Temperature | 48.0 | °C | |
| CLTE - Flow | |||
| -- 1 | 5.2E-5 | cm/cm/°C | |
| -- 2 | 1.8E-4 | cm/cm/°C | |
| Thermal Conductivity | 3.3 | W/m/K |
| Thermoset | Nominal Value | Unit | |
|---|---|---|---|
| Shelf Life (-40°C) | 52 | wk |
| Uncured Properties | Nominal Value | Unit | |
|---|---|---|---|
| Color | Silver | ||
| Density | 2.79 | g/cm³ | |
| Viscosity | |||
| 23°C 3 | 1.8 | Pa·s | |
| 23°C 4 | 8.8 | Pa·s | |
| 23°C 5 | 37 | Pa·s | |
| Curing Time (125°C) | 1.0 | hr | |
| Pot Life | 130000 | min |
| Cured Properties | Nominal Value | Unit | |
|---|---|---|---|
| Shore Hardness (Shore D) | 82 | ||
| Volume Resistivity | 2.0E-4 | ohms·cm |
| Note Message | |
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| 1 . | Below Tg |
| 2 . | Above Tg |
| 3 . | 100 rpm |
| 4 . | 10 rpm |
| 5 . | 1 rpm |
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