... )moistural cure. 4)multi-purpose. YA Polyurethane foam caulking sealantis a multi-purpose polyurethane foam that may be used for a wide ... , sawn, sanded and, if necessary, painted and plastered. Polyurethane foam sealant will cure when moisture in the air reacts with ... the chemicals of the foam.Features: 1) single-component, moisture curable,multi-purpose. 2) high bonding strength, can tightly ...