Order PU-30 Polyurethane Construction Sealant

Get PU-30 Polyurethane Construction Sealant, a one-component, non-toxic, and environmentally friendly sealant. It is moisture-cure, crack-resistant, and has excellent aging and resistance to water and oil. Bond well with various substrates.

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Sealing of expansion and settlement joint of house building, plaza, road, airport runway, anti- all, bridges and tunnels, building doors and windows etc.

Sealing of upstream face crack of drainage pipeline, drains, reservoirs, sewage pipes, tanks, silos etc.

Sealing of through holes on various wall and at floor concrete.

Sealing of joints of prefab, side fascia, stone and color steel plate, epoxy floor etc.

Attention of operation

Wear suitable protective clothing, gloves and eye/face Protection. After contact with skin, wash immediately with plenty of water and soap. In case of accident or if you feel unwell, seek medical advice immediately.

Warranty and Liability

All product properties and application details based on information are ensured to be reliable and accurate. But you still need to test its property and safety before application. All advices we supply can’t be applied in any circumstances.

CHEMPU don't make assurance of any other applications outside the specification until CHEMPU supply a special written guarantee.

CHEMPU is only responsible to replace or refund if this product is defective within the warranty period stated above.

CHEMPU makes it clear that will not take responsible for any accidents.

Why Choose Us

1. Professional R&D team
Application test support ensures that you no longer worry about multiple test instruments.

2. Product marketing cooperation
The products are sold to many countries all over the world.

3. Strict quality control

4. Stable delivery time and reasonable order delivery time control.
We are a professional team, our members have many years of experience in international trade. We are a young team, full of inspiration and innovation. We are a dedicated team. We use qualified products to satisfy customers and win their trust. We are a team with dreams. Our common dream is to provide customers with the most reliable products and improve together. Trust us, win-win.

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  • PU-30 Polyurethane Construction Sealant



    Black/Grey/White Paste

    Uniform Sticky Liquid

    Density (g/cm³)


    Tack Free Time (Hr)


    Tensile modulus(MPa)


    Hardness (Shore A)


    Curing Speed (mm/24h)

    3 ~ 5

    Elongation at Break  (%)


    Solid Content  (%)


    Operation Temperature ( ℃)

    5-35 ℃

    Service Temperature ( ℃)

    -40~+80 ℃

    Shelf Life (Month)


     Implementation of standards: JT/T589-2004


    1. Sealed and stored in cool and dry place.

    2. It is suggested to be stored at 5~25 ℃, and the humidity is less than 50%RH.

    3. If the temperature is higher than 40 ℃ or the humidity is more than 80%RH, the shelf life may be shorter.


    310ml Cartridge

    400ml/600ml Sausage

    20pcs/Box, 2 Boxes in a Carton

    Tool: Manual or pneumatic plunger caulking gun

    Cleaning: Clean and dry all surfaces by removing foreign matter and contaminants such as oil dust, grease, frost, water, dirt, old sealants and any protective coating.

    For cartridge

    Cut nozzle to give the required angle and bead size

    Pierce the membrane at the top of the cartridge and screw on the nozzle

    Place the cartridge in an applicator gun and squeeze the trigger with equal strength

    For sausage

    Clip the end of the sausage and place in barrel gun

    Screw end cap and nozzle on to barrel gun

    Using the trigger extrude the sealant with equal strength

    High bonding Windshield Polyurethane Adhesive (7)

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