Polyurethane PU glue is widely used, the price is favorable and it is very easy to use. PU glue is mostly used for sandwich panels (OSB, XPS, honeycomb panels, etc.), which is an adhesive for sandwich panel insulation. PU glue types include fireproof door anti-theft door adhesives, color non-slip pavement adhesives, road adhesives for high-speed railways, adhesive stone permeable pavement adhesives, adhesives for ocean-going ships, etc.
This video mainly shows the use of PU glue to repair color non-slip pavement.