This product is a two-component room-temperature-curing polyurethane adhesive. Component A is a milky white (or black) color paste-like liquid, and component B is a brown transparent liquid curing agent. This product is extremely convenient to use. Mix the glue according to A: B = 4: 1 and stir well. It can be cured at room temperature when applied to the part to be glued. A and B components can be separated for long-term storage. After curing, this product has the characteristics of good elasticity, bright surface, good impact resistance, low shrinkage, good durability, non-toxic and harmless, etc. It is suitable for the bonding of foam sandwich wood sandwich structure, and is also suitable for metal, foam materials, Ceramic, stone and other materials. This product has excellent bonding strength and impact resistance.