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: | z8ixmr_EPO-TEK-H74.pdf ![]() |
PRICE: | Order Products email sales@su-jiao.com |
Message |
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EPO TEK® H74 is a two component, thermally conductive epoxy designed for hybrid circuit assembly including die attach, substrate attach, lid-seal, heat dissipation, and hermetic sealing in general. |
General Information | |
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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 | |
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Particle Size | < 50.0 | µm |
Additional Information | Nominal Value | Unit | Test Method |
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Degradation Temperature | 425 | °C | TGA |
Die Shear Strength - >15 kg (23°C) | 35.2 | MPa | |
Operating Temperature | |||
Continuous | -55 to 250 | °C | |
Intermittent | -55 to 350 | °C | |
Storage Modulus (23°C) | 5.93 | GPa | |
Thixotropic Index | 2.14 | ||
Weight Loss on Heating | |||
200°C | 0.29 | % | |
250°C | 0.50 | % | |
300°C | 0.80 | % |
Thermal | Nominal Value | Unit | |
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Glass Transition Temperature 1 | > 100 | °C | |
CLTE - Flow | |||
-- 2 | 2.1E-5 | cm/cm/°C | |
-- 3 | 9.5E-5 | cm/cm/°C | |
Thermal Conductivity | 1.3 | W/m/K |
Thermoset | Nominal Value | Unit | Test Method |
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Thermoset Components | |||
Part A | Mix Ratio by Weight: 100 | ||
Part B | Mix Ratio by Weight: 3.0 | ||
Shelf Life (23°C) | 52 | wk |
Uncured Properties | Nominal Value | Unit | Test Method |
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Color | |||
-- 4 | Amber | ||
-- 5 | Grey | ||
Density | |||
Part B | 1.02 | g/cm³ | |
Part A | 2.10 | g/cm³ | |
Viscosity 6(23°C) | 45 to 65 | Pa·s | |
Curing Time (150°C) | 1.0 | hr | |
Pot Life | 120 | min |
Cured Properties | Nominal Value | Unit | Test Method |
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Shore Hardness (Shore D) | 90 | ||
Lap Shear Strength (23°C) | 11.4 | MPa | |
Relative Permittivity (1 kHz) | 4.95 | ||
Volume Resistivity | > 4.0E+12 | ohms·cm | |
Dissipation Factor (1 kHz) | 7.0E-3 |
Note Message | |
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1 . | Dynamic Cure 20-200°C/ISO 25 Min; Ramp -10-200°C @ 20°C/Min |
2 . | Below Tg |
3 . | Above Tg |
4 . | Part B |
5 . | Part A |
6 . | 5 rpm |
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