600g Foam spray sealan polyurethane foam spray Polyurethane PU Spray Expanding Foam Sealant high foaming volume

✅Product advantages: 120 times the foaming volume > 80-110 times the foaming volume of other products on the market✅Product attributesCategory: 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: 750 mlWhether it is a dangerous chemical: noCuring conditions: room temperature curing✅A single component, moisture-curing, and ready to use multipurpose foam. Suitable for sealing gaps and joints around windows and doors. Fill cracks, joints and gaps around pipes, vents, electrical outlets, and wall. Insulation of hot and cold. Flame retardant. Sound proofing.✅Fast-drying. Non-shrinkage after foam expansion. Excellent insulation.✅Substrates must be free from grease and dirt. Moisten substrate to accelerate foam expansion.✅Shake the can vigorously 30 times and for at least 60 seconds.✅After cured, it can be cut and adjusted by cutter.✅Notes1. Clean the sizing surface to remove oil stains, if the temperature is higher than 0°C, spray a little water on the surface;2. After shaking the tank for 30 seconds, install the nozzle on the material tank, and keep the material tank vertically downward during use;3. Slowly apply glue layer by layer from bottom to top in the gap, filling the gap 50-70% vertically downward;4. When gluing, it is necessary to fill the gap accurately, and ensure that both sides of the gap are filled with foam to5. Use a blade to cut off excess foam after curing;6. The surface of the foam can be covered with silica gel, cement, paint to prevent damage from ultraviolet radiation