Epoxies, Ect. 40-3911

About
40-3911 is an electrically conductive epoxy adhesive. 40-3911 is formulated without solvents and is therefore a 100% solids system. It is highly filled with silver resulting in a volume resistivity of 5 X 10^4 ohm-cm. This one component system cures quickly at elevated temperatures making it a suitable adhesive for many electronic assembly operations. It is a good choice for lid sealing and die bonding applications. Features: Electrically conductive Thermally conductive Cures quickly with heat One component – no mixing required Solvent-free&&

Product Description
Generic环氧树脂
Material StatusCommercial: Active
FeaturesConductive,Good bond,Thermal conductivity,Fast Cure
AvailabilitysAfrica & Middle East ,North America,Latin America,Asia Pacific,Europe

Technical Data
THERMALNominal valueUnitTest method
Glass transition temperature> 140
Linear coefficient of thermal expansion
MD4.5E-51/℃
Thermal conductivity coefficient2.4W/m/K

Uncured PropertiesNominal valueUnitTest method
colourSilver 
Density
25℃4.04g/cm³
Curing time 
160℃0.17hr
150℃0.50hr
120℃1.0hr
storage stability
25 ℃130000min
Storage period 
25℃3month
-10℃6month
-40℃12month

Cured PropertiesNominal valueUnitTest method
Shore hardness
Shaw’s D85 
Volume resistivity5.3E-4ohms·cm

Notes
1. Typical properties: these are not to be construed as specifications.
2. 100 grams
3. Cured @ 160°C for 20 minutes
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