they still come with the downsides of general polyurethane adhesives. He points out that polyurethane wood glue still "foam[s] out of the joint, so cleanup is more difficult." Additionally ...

Researchers at the Fraunhofer Institute for Applied Polymer Research IAP have developed a foil that changes into polyurethane foam (PU foam) when heated—entirely without health risks.

Norseal® PF40 Series from Saint-Gobain Tape Solutions features improved micro-cellular polyurethane foam solutions, designed specifically for the efficient operation of batteries in a pack. PF45 and ...