Polyurethane water swelling water sealing glue detailed:
Water-swellable water-stop sealant is a one-component, solvent-free polyurethane sealant that swells when exposed to water, providing a good water-stopping effect; good filling and adhesion, ensuring product filling Into cracks and voids, it is suitable for wet, smooth and rough surfaces; polyurethane water-swellable water-stop sealant has special flexibility to ensure it is suitable for irregular base joint waterproofing; has good chemical resistance; easy to use .
Performance index value experimental method
Appearance Black paste Visual inspection
Tack free time ≤24h GB/T13477
Solid content ≥95.0% GB/T2793
Density 1.3±0.1 g/cm3 GB/T13477
Shore A hardness 30-60 GB/T531
High temperature flow (Flow at highTemperature) No flow (80 °C × 5h) GB/T18173.3
Low temperature test No brittle fracture (——20°C×2h) GB/T18173.3
Volume expansibility 150%-300% GB/T18173.3
Polyurethane water-swellable water-stop sealant application range:
Structural joint sealing and pipe leakage blocking, such as rough or smooth structural joints in concrete castings; seams between sealed preforms (such as inlet holes, box-type culverts, cable trenches, pipe trenches, etc.); H-beam Surrounding seams; seals or gaps around pre-cast holes; etc.;
Polyurethane water swelling water sealing sealant construction method:
1. Clean the dust on the construction surface, no special requirements for whether it is flat, dry or wet.
2. Put the sealant into the glue gun, open the front end, screw the nozzle, and cut the size and width of the nozzle according to the seam requirements.
3. Squeeze the sealant into the construction joint with a squeeze gun.
4. Apply the sealant until it is cured to avoid contact with water.
Hengshui Kangpu Technology Development Co., Ltd. has 20 years of physical production experience, owns independent factories and workshops, all rubber products waterproof building materials are self-produced and sold, the purchasing unit directly signs with the manufacturer, eliminating the intermediate price difference, 10 years warranty period, for your service. .
Technical exchange (V letter with the same number) QQ hotline
Due to different specifications and models, the market raw materials fluctuate, and the actual price has been subject to the consultation.
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