Technical datasheet

Silopren™ Electro 342 HVI grey

Supplied byMomentive Performance Materials- Last Updated on Sep 11, 2025

Silopren™ Electro 342 HVI grey by Momentive Performance Materials is a two-component liquid silicone rubber. Offers fast hydrophobicity transfer, hydrophobicity recovery, rapid vulcanization, excellent flowability and excellent dielectric behaviour over a wide range of temperature. Exhibits outstanding resistance to aging, weather, arc and tracking. Possesses high stability, flexibility at low temperature, excellent stability to ozone and UV light. Designed for processing by injection molding. Silopren™ Electro 342 HVI grey is developed for the manufacturing of housing & weather sheds, hollow core insulators, cable accessories, high voltage plugs, cable connectors, fittings & terminals, suspension & long rod insulators, post line & pin insulators and surge arresters.
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Silopren™ Electro 342 HVI grey properties

Electrical properties

PropertiesValue & unitTest conditionTest method
Arc Resistance0.0 Visible After LoginVisible After LoginVisible After Login
Dielectric Constant0.0 Visible After LoginVisible After LoginVisible After Login
Dielectric Strength0.0 Visible After LoginVisible After LoginVisible After Login
Dissipation Factor0.0 Visible After LoginVisible After LoginVisible After Login
Tracking resistance0.0 Visible After LoginVisible After LoginVisible After Login
Volume Resistivity0.0 Visible After LoginVisible After LoginVisible After Login

Flammability properties

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Flash Point0.0 Visible After LoginVisible After LoginVisible After Login

Mechanical properties

PropertiesValue & unitTest conditionTest method
Elongation at Break0.0 Visible After LoginVisible After LoginVisible After Login
Hardness, Shore A0.0 Visible After LoginVisible After LoginVisible After Login
Tear Strength0.0 Visible After LoginVisible After LoginVisible After Login
Tensile Strength0.0 Visible After LoginVisible After LoginVisible After Login

Other properties

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Viscosity0.0 Visible After LoginVisible After LoginVisible After Login

Physical properties

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Density0.0 Visible After LoginVisible After LoginVisible After Login

Silopren™ Electro 342 HVI grey Processing Guidelines

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