EPO-TEK® H77

About
EPO-TEK® H77 is a two component, thermally conductive, electrically insulating epoxy system designed for lid-sealing of hybrids found in hermetic packaging of micro-electronics. Lids can be ceramic, glass, aluminum or kovar. Package types can be plastic, metal cases or ceramic.&&

Product Description
Generic环氧树脂
Material StatusCommercial: Active
FeaturesLow Viscosity,Low odor,Thermal conductivity,Solvent resistance,Insulation
AvailabilitysAfrica & Middle East ,North America,Asia Pacific,Europe
Process Methodscasting

Technical Data
PHYSICALNominal valueUnitTest method
Particle size< 50.0µm

Supplementary informationNominal valueUnitTest method
Degradation Temperature405TGA
Die Shear Strength(>5 kg,23℃)11.7MPa
working temperature 
Continuous-55 to 250
Intermittent-55 to 350
Storage Modulus(23℃)6.55GPa
Thixotropic index1.40 
Heating reduction 
200℃0.15%
250℃0.38%
300℃1.5%

Uncured PropertiesNominal valueUnitTest method
colour 
Amber 
Grey 
Density 
Part B1.22g/cm³
Part A2.69g/cm³
viscosity
23℃6.0 to 12Pa·s
Curing time
150℃1.0hr
storage stability360min

Cured PropertiesNominal valueUnitTest method
Shore hardness
Shaw’s D90 
lap shear strength
23℃10.5MPa
Relative permittivity
1 kHz5.64 
Volume resistivity
23℃> 1.0E+13ohms·cm
Dissipation factor
1 kHz6.0E-3 

THERMALNominal valueUnitTest method
3.3E-5cm/cm/℃
1.3E-4cm/cm/℃
Glass transition temperature> 80.0
Linear coefficient of thermal expansion
MD 
Thermal conductivity coefficient0.66W/m/K
Thermosetting components 
Component A按重量计算的混合比: 100 
Component B按重量计算的混合比: 15 
Storage period
23℃52wk

Notes
1. Typical properties: these are not to be construed as specifications.
2. Dynamic Cure 20-200°C/ISO 25 Min; Ramp -10-200°C @ 20°C/Min
3. Below Tg
4. Above Tg
5. Part B
6. Part A
7. 20 rpm
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Guangzhou Soliao Information Technology Co., Ltd. reserves all rights. The information in this data table was obtained from the manufacturer of the material on soliao.com. Soliao.com makes every effort to ensure the accuracy of this data. However, the search company does not assume any responsibility for the uncertainty and consequences caused to users by these data values and suggestions, and strongly recommends verifying the data values with the material supplier before the final selection of materials.