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CONATHANE EN-4 is Part A of a two component liquid polyurethane potting, casting and molding system developed specifically to fulfill the requirements for materials possessing superior resistance to environmental extremes. Fungus and thermal shock resistant. Gallon.

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Recommended for use as a molding and potting compound for general electronic use. Especially suited for the protections of delicate electronic/electrical devices that must perform in hostile environments, especially underwater sound devices.
Chemical Composition Urethane
Colour Light Amber
Components 2
Dielectric Strength 610
Elongation 350.00%
Flash Point >93C
Full Cure Time 8-10 hrs @ 60°C then 2 hrs @ 25°C
Hardness Shore A 90
Mix Ratio 40:17.50
Service Temperature Up to 130°C
Specific Gravity 0.96
Tensile Strength 1700
Viscosity Cp 8800
Volume Resistivity 2.1 X 10(15)
Working Time 35 - 40 min