Polyurethane Conformal Coatings from Humiseal

Listed below are the most popular solvent based polyurethane (urethane) conformal coatings and this is not a comprehensive list of the Humiseal range.

1A20
A single component, durable and chemically resistant moisture curing urethane coating for printed circuit assemblies.

1A27
An oxygen curing, single component polyurethane coating widely used for printed board applications. Provides a heavy build per application and has excellent electrical properties. This coating is also available in AEROSOL CANS.

1A27LU
Identical to 1A27, with the addition of an optical brightener that fluoresces under UV light to facilitate visual inspection.

1A33
A single component, fast oxygen curing polyurethane coating well suited for general printed circuit board applications. This coating is also available in AEROSOL CANS.

1A34
A single component, fast moisture curing polyurethane coating formulated to provide an exceptionally long pot life.. Provides excellent moisture and environmental protection for general printed circuit board applications.

1A68
A single component, fast oxygen curing commercial polyurethane coating well suited for general printed circuit board applications.

2A64
A two component, heat cured polyurethane coating providing excellent humidity protection and dielectric properties. Characterized by high solids and low viscosity, it offers easy application processing.

Polyurethane conformal coatings are used predominantly for chemical protection but are are highly effective at moisture cure protection to prevent corrosion and electrmigration.

 Areas urethanes are used include fire alarms, automotive electronics and control drive electronics. They are available as commercial, military and UL (Underwriter Laboratory) grades and can be supplied as aerosols or bulk.

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