EPO-TEK® H74F

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: dsLSi8_EPO-TEK-H74F.pdf
PRICE: ​Order Products​ email   sales@su-jiao.com
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Message
A two component, high Tg, thermally conductive, electrically insulating epoxy designed for semiconductor packaging including heat sinking, hermetic sealing, and opto-electronic assemblies. It may be used for flip chip underfill, sealing sensor devices packaged in TO-cans or fiber optic feed-through. It may be considered a finer particle version of EPO-TEK® H74.
General Information
Features
  • Electrically Insulating
  • Thermally Conductive
Uses
  • Adhesives
  • Electrical/Electronic Applications
  • Seals
Agency Ratings
  • EC 1907/2006 (REACH)
  • EU 2003/11/EC
  • EU 2006/122/EC
RoHS Compliance
  • RoHS Compliant
Forms
  • Paste
PhysicalNominal ValueUnit
Ion Type
    Cl- 41ppm
    K+ 9ppm
    Na+ 20ppm
    NH4+ 100ppm
Particle Size < 20.0µm
Additional InformationNominal ValueUnit
Degradation Temperature 486°C
Die Shear Strength - >15 kg (23°C) 35.2MPa
Operating Temperature
    Continuous -55 to 250°C
    Intermittent -55 to 350°C
Storage Modulus (23°C) 4.40GPa
Thixotropic Index 1.90
Weight Loss on Heating
    200°C 0.050%
    250°C 0.050%
    300°C 0.10%
ThermalNominal ValueUnit
Glass Transition Temperature 1> 90.0°C
CLTE - Flow
    -- 23.3E-5cm/cm/°C
    -- 31.1E-4cm/cm/°C
Thermal Conductivity 0.52W/m/K
ThermosetNominal ValueUnit
Thermoset Components
    Part A Mix Ratio by Weight: 100
    Part B Mix Ratio by Weight: 4.0
Shelf Life (23°C)52wk
Uncured PropertiesNominal ValueUnit
Color
    -- 4Amber
    -- 5Grey
Density
    Part B 1.02g/cm³
    Part A 2.01g/cm³
Viscosity 6(23°C)45 to 75Pa·s
Curing Time (150°C)1.0hr
Pot Life 180min
Cured PropertiesNominal ValueUnit
Shore Hardness (Shore D)88
Lap Shear Strength (23°C)> 13.8MPa
Relative Permittivity (1 kHz)4.90
Volume Resistivity (23°C)> 5.0E+13ohms·cm
Dissipation Factor (1 kHz)0.012
Note Message
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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