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Resin Systems RS-2279 Outdoor Epoxy Resin

RS-2279 is a castable, filled epoxy resin specifically designed to operate under high voltage conditions in outdoor applications, as well as SF6 environments. This material provides excellent electrical grade insulation properties, high mechanical properties, and superior resistance to chemicals including concentrated acids and mild alkalines.

Polymer Name: Epoxy Resins & Compounds

Processing Methods: Casting

End Uses: High Voltage Insulation

Flexural Strength: 105.417 - 105.417 MPa

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    Properties

    Typical Cured Properties
    ValueUnitsTest Method / Conditions
    Specific Gravity2.4
    Tensile Strength10,800 (7.6)psi (kg/mm²)
    Flexural Strength15,300 (10.8)psi (kg/mm²)
    Compression Strength24,300 (17.1)psi (kg/mm²)
    Elastic Modulus1.5 (1050)Msi (kg/mm²)
    Thermal Expansion18×10⁻⁶ (32.4×10⁻⁶)in/in/°F (cm/cm/°C)
    Dielectric Strengthmin. 450 (min. 15.77)V/Mil (KV/mm)
    Dielectric Constant (at 60 Hz)5.5
    Dissipation Factor (at 60 Hz)0.2
    Volume Resistivity (at 77°F)1×10¹⁵ohm-cm
    Water Absorption0.0005
    Heat Distortion Temperature250 (120)°F (°C)
    Thermal Conductivity10BTU/(hr⋅ft²⋅°F)