Robnor Resinlab EL297C

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EL297 is a high performance, flame retardant polyurethane encapsulating resin system based on a hydrophobic polyol.


This basic two-component polyurethane system is widely used for the encapsulation of electronic components, transformers and inductance coils thanks to its low dielectric loss and high dielectric strength. EL297C offers excellent water and humidity resistance, lower embedment stress and high thermal conductivity.

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EL297 is a high performance, flame retardant polyurethane encapsulating resin system based on a hydrophobic polyol. This basic two-component polyurethane system is widely used for the encapsulation of electronic components, transformers and inductance coils thanks to its low dielectric loss and high dielectric strength. EL297C offers excellent water and humidity resistance, lower embedment stress and high thermal conductivity.

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Colour Black
Dielectric Strength 26
Elongation ~50
Full Cure Time 4Hrs @ 60°C
Mix Ratio 9.2:1 by Weight
Service Temperature -50°C to 130°C
Shelf Life 12 Months
Thermal Conductivity 0.85 W/mK
Volume Resistivity 1.4x15e14 ohm-cm