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Urethane adhesive sealant for auto windshield glass


PU1730 is one component direct glazing polyurethane adhesive, can be used for the high strength adhesion of the glass and the body of the automobile.


∎Areas of Application

PU1730 It is designed for maintenance and sealing for auto windows, it also be used for the direction for auto windshield glass.


∎Key Features

No Sagging


Excellent thixotropy, non-sag properties

Fast adhesion to substrates

Cold application

One-component formulation

No oil permeated

Paintable, abrasion able

Convenient to apply

Good aging resistance and weather resistance


∎Packing Specification

●Cartridge       310ml

●Sausage        400ml

●Sausage        600ml

●Pail/Drum      240kg

 20pcs per box , 2 boxes per Carton.


∎Direction for use

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

1.Cut nozzle to give the required angle and bead size

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

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

For sausage

1.Clip the end of the sausage and place in barrel gun

2.Screw end cap and nozzle on to barrel gun

3.Using the trigger extrude the sealant with equal strengt


∎Transport &Storage

● Transport: Keep the sealed product away from moisture, the sun, high temperature and avoid collisions.

Storage: Keep the sealed product into cool, dry place.

Storage temperature: 5~25℃. Humidity: ≤50%RH.

Cartridge and Sausage :9 month. Pail/Drum:6 month.

Urethane adhesive sealant for auto windshield glass

Color: Black


    Chemical base

    1-C polyurethane

    Colour (Appearance)


    Cure mechanism

    Moisture curing

    Density (g/cm³) (GB/T 13477.2)

    1.4g/cm³ approx.

    Non-sag properties(GB/T 13477.6)

    Very good

    Application temperature

    5°C to 35ºC

    Tack-free time1 (GB/T 13477.5)


    Curing speed (HG/T 4363)

    see diagram

    Shore A hardness (GB/T 531.1)

    50~60 approx.

    Tensile strength (GB/T 528)

    4 N/mm2 approx.

    Elongation at break (GB/T 528 )


    Tear propagation resistance (GB/T 529)


    Extrudadbility (ml/min)


    Tensile-shear strength(MPa)GB/T 7124

    3.5 N/mm2  approx.

    Service temperature

    -40°C to 90ºC

    Shelf life (storage below 25°C) (CQP 016-1)

    9 months

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