EPO-TEK® EE149-6

About
A single component, silver-filled, B-stageable epoxy designed for semiconductor flip chip packaging or hybrid micro-electronic substrate attach or lid-sealing.&&

Product Description
Generic环氧树脂
Material StatusCommercial: Active
AvailabilitysAfrica & Middle East ,North America,Asia Pacific,Europe

Technical Data
PHYSICALNominal valueUnitTest method
Particle size< 20.0µm
Ionic type 
Cl-4ppm
K+5ppm
Na+8ppm
NH4+10ppm

Supplementary informationNominal valueUnitTest method
Degradation Temperature380
Die Shear Strength(>15 kg,23℃)35.2MPa
working temperature 
Continuous-55 to 200
Intermittent-55 to 300
Storage Modulus(23℃)3.77GPa
Thixotropic index4.70 
Heating reduction 
250℃0.050%
300℃0.16%

Uncured PropertiesNominal valueUnitTest method
colourSilver 
Density3.26g/cm³
viscosity
23℃2.0 to 4.0Pa·s
Curing time 
70℃0.17hr
180℃1.0hr
storage stability36000min

Cured PropertiesNominal valueUnitTest method
Shore hardness
Shaw’s D74 
lap shear strength
23℃3.78MPa
Volume resistivity
23℃< 5.0E-4ohms·cm

THERMALNominal valueUnitTest method
3.4E-5cm/cm/℃
1.1E-4cm/cm/℃
Glass transition temperature> 130
Linear coefficient of thermal expansion
MD 
Thermal conductivity coefficient0.98W/m/K
Storage period
-40℃26wk

Notes
1. Typical properties: these are not to be construed as specifications.
2. Dynamic Cure 20-300°C/ISO 25 Min; Ramp -10-300°C @ 20°C/Min
3. Below Tg
4. Above Tg
5. 100 rpm
6. B-stage
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