750ml PU foam sealant expansion capacity

750ml pu foam Sealant Introduction: The Mystery of Expanding 750ml PU foam sealant Polyurethane (PU) foam sealants are a staple in construction and DIY projects, but their expansion potential often leaves users guessing. A 750ml can claim to fill gaps efficiently, but how much foam does it produce? This article breaks down the science, real-world tests, […]