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EPO-TEK® 431
| 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: | qTnXLO_EPO-TEK-431.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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| A two component, copper-filled, electrically and thermally conductive epoxy for adhesive bonding in electronics. It may be used at the PCB level for inter-connecting, grounding and EMI RF shielding. Fast curing at relatively low temperatures may be realized. Higher viscosity version of EPO-TEK® 430. |
| General Information | |
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| Filler / Reinforcement |
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| Features |
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| Uses |
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| Agency Ratings |
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| RoHS Compliance |
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| Forms |
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| Physical | Nominal Value | Unit | |
|---|---|---|---|
| Ion Type | |||
| Cl- | 15 | ppm | |
| K+ | 3 | ppm | |
| Na+ | 25 | ppm | |
| NH4+ | 36 | ppm | |
| Particle Size | < 50.0 | µm |
| Additional Information | Nominal Value | Unit | |
|---|---|---|---|
| Degradation Temperature | 434 | °C | |
| Die Shear Strength - 3.5 kg (23°C) | 8.20 | MPa | |
| Operating Temperature | |||
| Continuous | -55 to 250 | °C | |
| Intermittent | -55 to 350 | °C | |
| Storage Modulus (23°C) | 4.82 | GPa | |
| Weight Loss on Heating | |||
| 200°C | 0.76 | % | |
| 250°C | 1.7 | % | |
| 300°C | 2.8 | % |
| Thermal | Nominal Value | Unit | |
|---|---|---|---|
| Glass Transition Temperature 1 | > 110 | °C | |
| CLTE - Flow 2 | 5.7E-5 | cm/cm/°C | |
| Thermal Conductivity | 1.6 | W/m/K |
| Thermoset | Nominal Value | Unit | |
|---|---|---|---|
| Thermoset Components | |||
| Part A | Mix Ratio by Weight: 100 | ||
| Part B | Mix Ratio by Weight: 2.0 | ||
| Shelf Life (23°C) | 52 | wk |
| Uncured Properties | Nominal Value | Unit | |
|---|---|---|---|
| Color | |||
| -- 3 | Amber | ||
| -- 4 | Brown | ||
| Density | |||
| Part B | 1.02 | g/cm³ | |
| Part A | 3.78 | g/cm³ | |
| Viscosity 5(23°C) | > 820 | Pa·s | |
| Curing Time (150°C) | 1.0 | hr | |
| Pot Life | 180 | min |
| Cured Properties | Nominal Value | Unit | |
|---|---|---|---|
| Shore Hardness (Shore D) | 77 | ||
| Lap Shear Strength (23°C) | 9.27 | MPa | |
| Volume Resistivity (23°C) | < 5.0E-3 | ohms·cm |
| Note Message | |
|---|---|
| 1 . | Dynamic Cure 20-200°C/ISO 25 Min; Ramp -10-200°C @ 20°C/Min |
| 2 . | Below Tg |
| 3 . | Part B |
| 4 . | Part A |
| 5 . | 0.5 rpm |
| Resin Grade | Manufacturer | Category | Trademark |
|---|---|---|---|
| RTP 4002 | RTP Company | PPA | RTP |
| TEKNIFLEX® VPA12200 | Tekni-Films, a div of Tekni-Plex | Film, PVC/PE/PCTFE | TEKNIFLEX® |
| TYNE® Olefins W5223 | Tyne Plastics LLC. | PP, Unspecified | TYNE® Olefins |
| APEX® 79-B427D21H-1 | Teknor Apex Company | PVC, Flexible | APEX® |
| Hylox® 9020 | Ravago Manufacturing Americas, LLC | PBT | Hylox® |
