Epoxies, Ect. 40-3905

Category: Epoxy , Epoxy; Epoxide
Manufacturer: Epoxies, Etc.
Trademark: Epoxies, Ect.
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: znOrTF_Epoxies-Ect-40-3905.pdf
PRICE: ​Order Products​ email   sales@su-jiao.com
Wechat: WECHAT
Message
40-3905 is an electrically conductive epoxy system designed for applications requiring low temperature cures. 40-3905 will cure at room temperature in 18-24 hours or can be accelerated with mild heat.

This is a solvent free epoxy system filled with pure silver. It has outstanding adhesion to plastics, aluminum, copper, magnesium, steel, bronze, nickel, kovar, ceramic, glass, phenolic, and printed circuit boards. 40-3905 can also be thinned with up to 10% Toluol for many coating applications.

Features:
  • Electrically conductive
  • Thermally conductive
  • Room temperature cure
  • Good bond strength
General Information
Filler / Reinforcement
  • Silver
Features
  • Bondability
  • Electrically Conductive
  • Good Adhesion
  • Thermally Conductive
Uses
  • Coating Applications
  • Electrical/Electronic Applications
  • Printed Circuit Boards
PhysicalNominal ValueUnit
Molding Shrinkage - Flow 0.30%
MechanicalNominal ValueUnit
Flexural Strength 75.2MPa
ThermalNominal ValueUnit
CLTE - Flow 2.6E-5cm/cm/°C
Thermal Conductivity 8.7W/m/K
Additional InformationNominal ValueUnit
Operating Temperature -60.0 to 135°C
Uncured PropertiesNominal ValueUnit
Mix Ratio by Weight (PBW)
    Part A 100
    Part B 5.0
Density
    25°C 10.998g/cm³
    25°C 22.97g/cm³
Curing Time
    65°C 2.0 to 3.0hr
    25°C 18 to 24hr
Pot Life 3(25°C)45min
Shelf Life 12month
Cured PropertiesNominal ValueUnit
Shore Hardness (Shore D)80 to 85
Lap Shear Strength 48.27MPa
Volume Resistivity 1.0E-4ohms·cm
Note Message
1 .Part B
2 .Part A
3 .100 grams
4 .Al to Al
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