✨Durable for 50 years✨Expanding foam 750ml Spray Sealant 500 times expanded thermal insulation Waterproof Quick Drying Fills Cracks Joints Gaps Around Pipes Vents waterproof sealant Polyurethane Foam

Category: Polyurethane foaming agentAppearance: FoamBrand: BukneriGas volume: 2.5 (ml/g)CAS: PolyurethaneScope of use: caulking of doors and windows of buildings, caulking of expansion joints and holes of componentsSpecifications: 900 gramsWhether it is a dangerous chemical: noCuring conditions: room temperature curingClean the sizing surface to remove oil stains, if the temperature is higher than 0°C, spray a little water on the surface;After shaking the tank for 30 seconds, install the nozzle on the material tank, and keep the material tank vertically downward during use;Slowly apply glue layer by layer from bottom to top in the gap, filling the gap 50-70% vertically downward;When gluing, it is necessary to fill the gap accurately, and ensure that both sides of the gap are filled with foam toUse a blade to cut off excess foam after curing;The surface of the foam can be covered with silica gel, cement, paint to prevent damage from ultraviolet radiation(24 hours after sizing)