CONATHANE® EN-2550

Category: PUR, Unspecified , Polyurethane
Manufacturer: Cytec Industries Inc.
Trademark: CONATHANE®
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: G8w22K_CONATHANE-EN-2550.pdf
PRICE: ​Order Products​ email   sales@su-jiao.com
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CONATHANE EN-2550 is a two-part, filled polyurethane resin system formulated for casting high-voltage transformers and potting or encapsulating electronic devices. The system features good handling properties at room temperature, good working life, and minimum processing hazards.

CONATHANE EN-2550 can be cured at room or elevated temperatures without the formation of voids. The cured compound has excellent water resistance, and is resistant to thermal shock. Other beneficial characteristics of this system include low exotherm, low stresses during cure, low shrinkage, and very good electrical properties.
General Information
Features
  • Fungus Resistant
  • Good Electrical Properties
  • Good Processability
  • Good Thermal Shock Resistance
  • Low Exotherm
  • Low Shrinkage
Uses
  • Electrical Parts
  • Electrical/Electronic Applications
Agency Ratings
  • MIL E-5272C
  • MIL Std. 810B
Appearance
  • Black
  • Blue
  • Tan
Forms
  • Liquid
Processing Method
  • Casting
  • Encapsulating
  • Potting
PhysicalNominal ValueUnit
Specific Gravity
    -- 11.23g/cm³
    -- 21.52g/cm³
Water Absorption
    24 hour immersion : 25°C 0.075%
    7 day immersion : 25°C 0.19%
    7 days in boiling water : 25°C 1.5%
Solids Content
    -- 3100%
    -- 4100%
Additional InformationNominal ValueUnit
Fungal Resistance Non-nutrient
Thermal Shock Test - 10 cycles, -65°C to 130°C passes
Work Life - 234 gm mass to 100000 cps (25°C) 53.0min
Cured PropertiesNominal ValueUnit
Linear Shrinkage 0.58%
HardnessNominal ValueUnit
Durometer Hardness (Shore D)50
MechanicalNominal ValueUnit
Tensile Strength 12.4MPa
Tensile Elongation (Break)630%
ElastomersNominal ValueUnit
Tear Strength 41.2kN/m
ThermalNominal ValueUnit
CLTE - Flow 1.6E-4cm/cm/°C
Thermal Conductivity 0.33W/m/K
ElectricalNominal ValueUnitTest Method
Surface Resistivity
    -- 57.8E+11ohms
    -- 61.5E+14ohms
    -- 76.1E+17ohms
Volume Resistivity
    25°C 2.1E+14ohms·cm
    60°C 1.1E+13ohms·cm
    120°C 1.4E+11ohms·cm
Dielectric Strength
    0.406 mm 43kV/mm
    0.813 mm 33kV/mm
    1.57 mm 21kV/mm
Dielectric Constant
    25°C, 100 Hz 4.38
    25°C, 1 kHz 4.13
    25°C, 1 MHz 3.81
Dissipation Factor
    25°C, 100 Hz 0.096
    25°C, 1 kHz 0.034
    25°C, 1 MHz 0.020
Arc Resistance > 120sec
Insulation Resistance
    25°C 3.0E+13ohms
    60°C 1.0E+11ohms
    120°C 1.2E+10ohms
FlammabilityNominal ValueUnitTest Method
Flame Rating V-0UL 94
ThermosetNominal ValueUnit
Thermoset Components
    Hardener Mix Ratio by Weight: 100
    Resin Mix Ratio by Weight: 17
Thermoset Mix Viscosity
    25°C 83000cP
    25°C 917000cP
    25°C 10150cP
    40°C 111200cP
Note Message
1 .Resin
2 .Hardener
3 .Resin
4 .Hardener
5 .90°C
6 .60°C
7 .25°C
8 .Mixed
9 .Hardener
10 .Resin
11 .Mixed
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