EPO-TEK® H74

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
Wechat: WECHAT
Message
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
Features
  • Fast Cure
  • Good Chemical Resistance
  • Low to No Outgassing
  • Moisture Resistant
  • Solvent Resistant
  • Thermally Conductive
  • Thixotropic
Uses
  • Adhesives
  • Electrical/Electronic Applications
  • Seals
Agency Ratings
  • ASTM E 595
  • EC 1907/2006 (REACH)
  • EU 2003/11/EC
  • EU 2006/122/EC
RoHS Compliance
  • RoHS Compliant
Forms
  • Paste
PhysicalNominal ValueUnit
Particle Size < 50.0µm
Additional InformationNominal ValueUnitTest Method
Degradation Temperature 425°CTGA
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) 5.93GPa
Thixotropic Index 2.14
Weight Loss on Heating
    200°C 0.29%
    250°C 0.50%
    300°C 0.80%
ThermalNominal ValueUnit
Glass Transition Temperature 1> 100°C
CLTE - Flow
    -- 22.1E-5cm/cm/°C
    -- 39.5E-5cm/cm/°C
Thermal Conductivity 1.3W/m/K
ThermosetNominal ValueUnitTest Method
Thermoset Components
    Part A Mix Ratio by Weight: 100
    Part B Mix Ratio by Weight: 3.0
Shelf Life (23°C)52wk
Uncured PropertiesNominal ValueUnitTest Method
Color
    -- 4Amber
    -- 5Grey
Density
    Part B 1.02g/cm³
    Part A 2.10g/cm³
Viscosity 6(23°C)45 to 65Pa·s
Curing Time (150°C)1.0hr
Pot Life 120min
Cured PropertiesNominal ValueUnitTest Method
Shore Hardness (Shore D)90
Lap Shear Strength (23°C)11.4MPa
Relative Permittivity (1 kHz)4.95
Volume Resistivity > 4.0E+12ohms·cm
Dissipation Factor (1 kHz)7.0E-3
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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