EPO-TEK® H20E

About
EPO-TEK® H20E is a two component, 100% solids silver-filled epoxy system designed specifically for chip bonding in microelectronic and optoelectronic applications. It is also used extensively for thermal management applications due to its high thermal conductivity. It has proven itself to be extremely reliable over many years of service and is still the conductive adhesive of choice for new applications. Also available in a single component frozen syringe.&&

Product Description
Generic环氧树脂
Material StatusCommercial: Active
FeaturesConductive,Biocompatible,Thixotropic,Low odor,EMI,RFI,Thermal conductivity
AvailabilitysAfrica & Middle East ,North America,Asia Pacific,Europe

Technical Data
PHYSICALNominal valueUnitTest method
Particle size< 45.0µm
Ionic type 
Cl-73ppm
K+3ppm
Na+2ppm
NH4+98ppm

Supplementary informationNominal valueUnitTest method
Degradation Temperature425TGA
Die Shear Strength(>10 kg,23℃)23.4MPa
working temperature 
Continuous-55 to 200
Intermittent-55 to 300
Storage Modulus(23℃)5.58GPa
Thixotropic index4.63 
Heating reduction 
200℃0.59%
250℃1.1%
300℃1.7%

Uncured PropertiesNominal valueUnitTest method
colour 
Silver 
Density 
Part A2.02g/cm³
Part B3.06g/cm³
viscosity
23℃2.2 to 3.2Pa·s
Curing time
150℃1.0hr
storage stability3600min

Cured PropertiesNominal valueUnitTest method
Shore hardness
Shaw’s D75 
lap shear strength
23℃10.2MPa
Volume resistivity
23℃< 4.0E-4ohms·cm

THERMALNominal valueUnitTest method
3.1E-5cm/cm/℃
1.6E-4cm/cm/℃
Glass transition temperature> 80.0
Linear coefficient of thermal expansion
MD 
Thermal conductivity coefficient 
2.5W/m/K
29W/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. Based on standard method: Laser Flash
6. Based on Thermal Resistance Data: R = L x K^-1 x A^-1
7. Part B
8. Part A
9. 100 rpm
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