Techsil® EP25485

Category: Epoxy , Epoxy; Epoxide
Manufacturer: Techsil Limited
Trademark: Techsil®
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: VUClZI_TechsilEP25485.pdf
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Techsil EP25485 is a low viscosity, thermally conductive flame retardant potting and encapsulating compound. The mixed system has a long usable life and may be hot or cold cured. The system exhibits a good surface finish, high electrical strength, excellent thermal conductivity and low cure shrinkage. EP25485 is compatible with most circuit board components and materials over a wide temperature range. Adhesion is excellent to most plastics and substrates. The combination of properties and the ease of use of the material will lend itself to a wide range of applications. The flame-retardants in EP25485 are of a non-halogen type and do not contain heavy metals. It is available in bulk, kits and twinpack form. The standard colour is Black but other colours are available on request.

Features:
  • Excellent thermal conductivity
  • High electrical insulating characteristics
  • Non-toxic
  • Low shrinkage
  • High adhesion
  • Flame retardant to UL94-V0
  • Good chemical and water resistance
  • RoHS and WEEE compliant
General Information
Additive
  • Flame retardancy
Features
  • Heat conduction
  • Low viscosity
  • Moisture resistance
  • Insulation
  • Good adhesion
  • Good chemical resistance
  • Low shrinkage
  • Non-toxic
  • Halogen-free
  • Excellent appearance
  • Flame retardancy
Uses
  • Encapsulant
Agency Ratings
  • EC 1907/2006 (REACH)
  • EU 2002/96/EC (WEEE)
RoHS Compliance
  • RoHS compliance
Appearance
  • Black
Forms
  • Liquid
Processing Method
  • Enclosure
  • potting
PhysicalNominal ValueUnit
Contractility- Volume 0.30%
ThermalNominal ValueUnit
Heat Deflection Temperature 80°C
Additional InformationNominal ValueUnit
Loss Tangent 10.0450
Operating Temperature -40 - 150°C
Peak Exotherm (25°C)50.0
ThermalNominal ValueUnit
CLTE - Flow 3.5E-5 - 4.5E-5cm/cm/°C
Thermal Conductivity 1.2W/m/K
FlammabilityNominal ValueTest Method
Flame Rating V-0UL 94
Uncured PropertiesNominal ValueUnit
Color
    -- 2Black
    -- 3Clear/Transparent
Mix Ratio by Weight (PBW)
    Resin 7.8
    Hardener 1.0
Mix Ratio by Volume (PBV)
    Resin 4.0
    Hardener 1.0
Density
    -- 40.930g/cm³
    -- 51.64g/cm³
    -- 61.82g/cm³
Viscosity
    25°C 70.10Pa·s
    25°C 83.0Pa·s
    25°C 925Pa·s
Curing Time
    80°C 4.0hr
    60°C 6.0hr
    25°C 1.7E+2hr
Gel Time (25°C)3.6E+2min
Pot Life (25°C)120min
Cured PropertiesNominal ValueUnit
Water Absorption 10(20°C)0.50%
Shore Hardness (Shore D)85
Tensile Strength 65.0MPa
Tensile Elongation at Break 1.0 - 3.0%
Compression Strength 80.0MPa
Electric strength 18kV/mm
Relative Permittivity (50 Hz)4.99
Volume Resistivity 12ohms·cm
Note Message
1 .50 Hz
2 .Resin
3 .Hardener
4 .Hardener
5 .Mixed
6 .Resin
7 .Hardener
8 .Mixed
9 .Resin
10 .30 days
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