EPO-TEK® H20S

About
EPO-TEK® H20S is a modified version of EPO-TEK® H20E, designed primarily for die stamping and dispensing techniques for chip bonding. EPO-TEK® H20S is a highly reliable, two component, silver-filled epoxy with a smooth, thixotropic consistency. In addition to the high electrical conductivity, the short curing cycles, the proven reliability, and the convenient mix ratio, EPO-TEK® H20S is extremely simple to use.&&

Product Description
Generic环氧树脂
Material StatusCommercial: Active
FeaturesConductive,Thixotropic,EMI,RFI,Fast Cure
AvailabilitysAfrica & Middle East ,North America,Asia Pacific,Europe

Technical Data
PHYSICALNominal valueUnitTest method
Particle size< 20.0µm
Ionic type 
Cl-162ppm
K+4ppm
Na+0ppm
NH4+282ppm

Supplementary informationNominal valueUnitTest method
Degradation Temperature414TGA
Die Shear Strength(>5 kg,23℃)11.7MPa
working temperature 
Continuous-55 to 200
Intermittent-55 to 300
Storage Modulus(23℃)2.34GPa
Thixotropic index5.00 
Heating reduction 
200℃0.40%
250℃0.60%
300℃1.4%

Uncured PropertiesNominal valueUnitTest method
colour 
Silver 
Density 
Part A1.74g/cm³
Part B3.06g/cm³
viscosity
23℃1.8 to 2.8Pa·s
Curing time
150℃1.0hr
storage stability4300min

Cured PropertiesNominal valueUnitTest method
Shore hardness
Shaw’s D64 
lap shear strength
23℃8.55MPa
Volume resistivity
23℃< 5.0E-4ohms·cm

THERMALNominal valueUnitTest method
3.1E-5cm/cm/℃
1.2E-4cm/cm/℃
Glass transition temperature> 80.0
Linear coefficient of thermal expansion
MD 
Thermal conductivity coefficient3.3W/m/K
Thermosetting components 
Component A按重量计算的混合比: 1.0 
Component B按重量计算的混合比: 1.0 
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. 100 rpm
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