Epoxies, Ect. 50-3185 NC (Catalyst #140)

Category: Epoxy , Epoxy; Epoxide
Manufacturer: Epoxies, Etc.
Trademark: Epoxies, Ect.
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: m9Fffi_Epoxies-Ect-50-3185-NC-Catalyst-140-.pdf
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Message
50-3185 NC is a filled epoxy encapsulant possessing excellent physical, electrical, and thermal properties. 50-3185 NC is an excellent choice where low thermal expansion, outstanding electrical insulation and/or high thermal conductivity is required. Three catalysts are available to choose from.

When cured with Catalyst 190 or Catalyst 30 this system meets NASA's outgassing requirements.

Features:
  • Low Thermal Expansion
  • Excellent Electrical Insulator
  • High Thermal Conductivity
  • Protects & Conceals Circuitry

Applications:
  • 50-3185 NC is ideal for high voltage applications such as power supplies, transformers, high voltage insulators, bushings, etc...
General Information
Features
  • Electrically Insulating
  • Thermally Conductive
Uses
  • Bushings
  • High Voltage Insulation
Processing Method
  • Encapsulating
  • Potting
PhysicalNominal ValueUnit
Molding Shrinkage - Flow 0.40%
MechanicalNominal ValueUnit
Flexural Strength 103MPa
ThermalNominal ValueUnit
Glass Transition Temperature 47.0°C
CLTE - Flow 3.2E-5cm/cm/°C
Thermal Conductivity 1.1W/m/K
ThermosetNominal ValueUnit
Thermoset Mix Viscosity (25°C)3440cP
Additional InformationNominal ValueUnit
Outgassing 1.1% TML
Thermal Shock Resistance > 10Cycles
Uncured PropertiesNominal ValueUnit
Mix Ratio by Weight (PBW)
    Part A 100
    Part B 6.5 to 7.5
Density 1(25°C)2.24g/cm³
Viscosity 2(25°C)48Pa·s
Curing Time (66°C)2.0hr
Cured PropertiesNominal ValueUnit
Water Absorption 30.050%
Shore Hardness (Shore D)94
Compression Strength 110MPa
Electric Strength 15kV/mm
Relative Permittivity (1 MHz)5.41
Volume Resistivity 4.9E+16ohms·cm
Dissipation Factor (1 MHz)0.059
Note Message
1 .Mixed
2 .Part A
3 .After 24 hours
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