LORD Corporation

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LORD® EP-809 Epoxy Encapsulant Where to Buy

Product Information

LORD® EP-809 epoxy encapsulant is a two-component system designed specifically for encapsulation of high voltage, automotive ignition coils.

Shelf Life

Shelf life is six months for LORD EP-809 resin and one year for LORD EP-809 hardener from date of manufacture when stored at 25°C in original, unopened container. LORD EP-809 resin must be periodically rotated within its container to maintain maximum shelf life. Settling will occur if not mixed.

LORD EP-809 hardener may crystallize during shipment or storage. If crystals appear, gently warm hardener at 50-65°C to melt crystals before mixing with resin.

OEM Approvals

Features and Benefits

Low Viscosity – maintains low viscosity for complete and void-free encapsulation.

Environmentally Resistant – provides excellent resistance to thermal shock.

High Temperature Electrical Performance – developed specifically for electrical stability at high temperature.

Typical Properties*

Mixed Appearance Gray Liquid
Mixed Viscosity, cP @ 25°C 2800
Mixed Specific Gravity, @ 25°C 1.53
Gel Time, minutes @ 120°C 20
Working Life, days @ 25°C 1 - 2
Cure Time 12-16 hr @ 80-90°C; or
2 hr @ 90-95°C, followed by 2 hr @ 115-125°C

Cured Typical Properties*

Coefficient of Linear Thermal Expansion, ppm/°C 30 x 10-6
Glass Transition Temperature (Tg), °C 95
Hardness, Shore D 92
Storage Modulus, MPa 2000
Dielectric Strength, kV/mm (V/mil) 19.7 (500)
Volume Resistivity, ohm-cm @ 25°C 1 x 1015
Dielectric Constant, @ 25°C 3.09
Dissipation Factor, @ 25°C 0.016

*Data is typical and not to be used for specification purposes.


Download Type Name
Download Safety Data Sheet LORD EP-809 Resin
Download Safety Data Sheet LORD EP-809 Hardener
Download Product Catalog Potting & Encapsulation Materials
Download Technical Data Sheet LORD EP-809 Epoxy Encapsulant

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