Term Description
Aliphatic polyurethane

An organic polymer containing straight or branched chain arrangements of carbon atoms. As compared to aromatic polyurethanes, coatings based on aliphatic polyurethane binders typically have better weathering characteristics.
Aliphatic polyurethane coating

A polyurethane coating that contains a specific class of isocyanates based on a long straight chain molecular structure; typically used in finish coats that are exposed to the elements. It is noted for its good weather resistance.