Patent ID: 8802771

Claim:
A two-component polyurethane composition comprising: as one component, one or more polyisocyanate compositions of an isocyanurate of bis(isocyanatomethyl)cyclohexane and one or more polyisocyanate composition of an isocyanurate of 1,6-hexamethylene diisocyanate (HDI trimer); and, as a second component, a blend of one or more hard polyols having a glass transition temperature (Tg) of 0° C. or above, and one or more soft polyols having a Tg of −20° C. or below and having a hydroxyl functionality of 2.5 to 5.0 and a number average molecular weight of from 500 to 3,000, wherein in the blend, the weight ratio of the total soft polyol to the total hard polyol ranges from 10:90 to 99.9:0.1.