Elantas (Altana) Conathane EN-2551

Elantas (Altana) Conathane EN-2551 Datasheet
  • Description for Elantas (Altana) Conathane EN-2551

    A filled two-component urethane system that has excellent electrical properties, low shrinkage, low stress buildup, and can be hand-mixed or machine dispensed.

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    Brand Conathane, Cytec
    Application Type Pot, Encapsulate
    1 Part or 2 Part 2 Part
    Material Form Paste
    Substrate Aluminum
    Industry Electrical, Electronic
    Manufacturer Elantas (Altana)
    Chemistry Urethane
    Cure Method Part A/Part B
    Cure Temperature (°C) 25, 80
    Cure Time (min) 10,080, 960
    Viscosity (cPs) 4,500
    Color Black, Tan
    Arc Resistance (sec) Arc resistance
    Key Specifications UL Recognized, UL 94V-O, Mil-Spec (United States Military Standard): MIL-STD-810B
  • Technical Data for Elantas (Altana) Conathane EN-2551

    • Application Type
    • 1 Part or 2 Part
      • 1 Part or 2 Part - 2 Part
      • Part A Name - Part A
      • Part B Name - Part B
    • Material Form
      • Paste
    • Substrate
    • Industry
    • Chemistry
    • Application Method
      • Roll
    • Cure Method
      • 2-Part Cure - Part A/Part B
    • Color
      • Black
      • Brown - Tan
    • Key Specifications
      • UL (Underwriters Laboratory), ULC (Underwriters Laboratories of Canada), NFPA (National Fire Protection Association) - UL Recognized, UL 94V-O
      • Mil-Spec (United States Military Standard): STD-810B - MIL-STD-810B
    • Brand
      • Conathane
      • Cytec
    Cure Specs
    Cure Temperature (°C) 25, 80
    Cure Time (min) 10,080, 960
    Viscosity (cPs) 4,500 Test Method
    Set Time (min) 4.00 to 7 Test Method
    Linear Shrinkage (%) 0.0075 (in./in.), Low
    Mix Ratio 17:100 (by weight)
    Bond Strength
    Shear Strength (psi) 300 Test Method
    Tear Strength (piw) 154 (pli)
    Tensile Strength (psi) 1,025
    Material Resistance
    Arc Resistance (sec) Arc resistance
    Dissipation Factor 0.05300, 0.17800 Test Method
    Filler Filled
    Insulation Resistance (O) 8.6e12 (ohms), Insulation resistance Test Method
    Dielectric Strength (V/mil) 585 (vpm)
    Dielectric Constant 3.99 Test Method
    Thermal Conductivity (W/m°K) 1.55e-3 (cal/sec/cm2/ºC/cm)
    Surface Resistivity (O) 2.8e17 (ohms) Test Method
    Volume Resistivity (O) 6.8e13 (ohms/cm) Test Method
    Shore A Hardness 90 to 95
    Elongation (%) 39
    Other Properties
    Specific Gravity 1.468 Test Method
    Coefficient of Thermal Expansion (CTE) 11.8e-5 (in./ in/°C)
    Business Information
    Shelf Life Details CONATHANE® EN-2551, Part A and Part B, should be stored at temperatures of 65-85°F in tightly closed containers. If containers are opened and the contents only partially used, the container should be flushed with dry nitrogen (CONAP® Dri-Purge) or dry air before being resealed.;The shelf life of EN-2551, Part A and Part B, is 18 months from date of manufacture, in the original unopened containers.
    Shelf Life Temperature (°F) 65 to 85
    Shelf Life Type From date of manufacture
    Shelf Life (mon) 18
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Set Time Test Methods
Set Time Set Temperature Test Method
4.00 to 7 min 25°C 100 gm mass
Viscosity Test Methods
Viscosity Temperature
4,500 cPs 25°C
Shear Strength Test Methods
Shear Strength Type Substrate
300 psi Lap shear strength Aluminum
Dielectric Constant Test Methods
Dielectric Constant Temperature Test Method
3.99 25°C Dielectric constant, 1 KHz
Dissipation Factor Test Methods
Dissipation Factor Temperature Test Method
0.05300 25°C Dissipation Factor @ 1 KHz
0.17800 25°C Dissipation Factor @ 100 Hz
Insulation Resistance Test Methods
Insulation Resistance Temperature
8.6e12 (ohms) 25°C
Insulation resistance
Surface Resistivity Test Methods
Surface Resistivity Temperature
2.8e17 (ohms) 25°C
Volume Resistivity Test Methods
Volume Resistivity Temp (°C)
6.8e13 (ohms/cm) 25°C
Specific Gravity Test Methods
Specific Gravity Temperature