There is a technical committee who strives to make most terms within the foundation building and repair industry universal. This team looks at Spray Polyurethane in particular and came up with a list of technical service to the Spray Polyurethane.

A Sneak Peak of A – B Glossary:
A-SIDE: (A-Component) One component of a two component system. For polyurethane foam and coat-ings the isocyanate component. (See ISOCYANATE)

ABAA: See Air Barrier Association of America.

ABSOLUTE HUMIDITY: The actual concentration of water vapor in air. May be expressed in units of kPa, grains of moisture per pound of dry air, pounds of moisture per pound of dry air, or as a partial pressure as inches of mercury (in. Hg).

AC-377 / ACCEPTANCE CRITERIA 377: The standard to which a specific formulation of SPF is evaluated by ICC-ES (International Code Council Evaluation Service) in order to issue an Evaluation Report which de-scribes the foam’s compliance with building code requirements.

ACCELERATOR: A chemical additive to coating or polyurethane foam systems used in relatively small amounts to increase the speed of the reaction or decrease the time required to cure or dry.

ACRYLIC COATING: A coating system based on an acrylic resin. Generally, a “water based” coating

For a better understanding of this glossary, kindly download the below PDF link to a full review of the Glossary:

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