EP42-2LV Black is a two-part epoxy with low viscosity and good flow.

Withstands prolonged immersion in many acids, bases, solvents, fuels and oils. Can be used for bonding, sealing, coating and casting. Has mix ratio of 100 to 40 by weight or 100 to 50 by volume, with Part A being black and Part B being light amber. Viscosity of mixed system is 1,000-2,000cps. Has a working life of 60 to 90 min. per 100g batch. Cures optically opaque at room temp. in 2 to 3 days or at elevated temp. of 200°F in 2 to 3 hr. Recommended cure schedule is overnight at room temp., followed by heat curing at 150°-200°F for 2 to 4 hr. Meets NASA low outgassing specifications and is serviceable over a temp. range from -60° to 350°F. Is electrically insulative with a volume resistivity greater than 10¹⁴ ohm-cm and dielectric constant of 4 at 60Hz at room temp. Suitable for larger potting and encapsulation applications. Is recommended for applications in aerospace, electronics, and optical and OEM industries.

Master Bond
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