Polyurethane Foam Filler (Engineering Special Grade)For door & window installation, daily maintenance, and leak repair of cavities, gaps, wall tiles and floor tiles.Product ApplicationsThermal insulation, filling and gap filling for door and window frames;Installation sealing and leak stoppage for all types of pipelines;Shockproof packaging for various fragile goods;Filling and leak repairing for hot water pools, bathtubs and bathrooms;Positioning installation and insulation of all electrical switch boxes, as well as sealing and repairing for various buildings.Product Specifications750ml p...