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PU (Polyurethane) Solvent Free Fast Cure Windshield Sealant (Surtek 3356)

Basic Info

Model No.:  Surtek 3356

Product Description

Model NO.: Surtek 3356

Morphology: Black Paste

Material: Polyurethane

Main Agent Composition: Polyurethane Prepolymer

Promoter Composition: Complexing Agent

Color: Black

Trademark: Surtek

Origin: China

Bonding Function: Structural Adhesive

Application: Automobile, Construction, Woodworking

Classification: Room Curing

Characteristic: High Viscosity, Use with Primer, Waterproofing

Composition: Organic Material

Size: 310ml, 400ml, 600ml

Specification: ISO9001/TS16949

HS Code: 3506100090


Surtek 3356 is a one component, moisture-curable solvent free Polyurethane Adhesive Sealant. It is non-sag, fast cure, of high bonding strength with primer. And it has good vibration and weather resistance. The product is manufactured in accordance with ISO9001/ISO14001/TS16949.


1, Bonds and seals at the same time.

2, Short tack free and curing time.

3, Very high thixotropy for good gap-filling properties.

4, Very good Adhesion to a wide range of substrates.

5, Non-staining curing process. Solvent free, no odor.

6, Non-corrosive.No sagging

7, Inital load bearing capacity.

8, Overpaintabiliity for most coatings.

9, Increases torsional stiffness of final assembly.

10, Shock/Impact resistant.

11, Vibration and sound damping properties.


Surtek 3356 is used for windshield bonding, bus body bonding, and other high-strength request bonding and gap filling.



Clean surface with a strong jet of compressed air, sandblast, or solvent to ensure the surface being clean, dry, free of oil, grease, and of sound quality.

Application of sealant:

Cut tip to desired shape and size. A triangular shaped notch will provide the desired bead shape and height. Puncture airtight seal. Install with hand or power operated gun and extrude the sealant. A height of 1/2 to 9/16 inch and a 1/4 -5/16 inch base is suggested. Put the glass in place within 15 minutes.


310ml cartridge

Flexible Package: 400ml sausage, 600ml sausage

Drum: 200L drum


When stored at the recommended conditions in original, unopened containers, this product has a shelf life of 9 months (cartridge), 6 months (sausage and drum).

The shelf life of Polyurethane Sealant is related to the temperature and humidity of the environment. The recommended storage temperature is 5-25° C, humidity is <50% RH. It is strictly prohibited that the transportation or storage temperature is over 30° C or the humidity is over 80% RH. And high-temperature container transportation is prohibited as well. In the long-time high temperature and high humidity storage environment, the product is easy to get viscous, extrusion will be deteriorated and shelf life will be shortened.

Appearance Uniform Paste
Color Black
Density 1.25 ± 0.05 kg/l
Cure mechanism Moisture-curing
Tack-free time* 15~35 min
Rate of cure* ~3 mm per 24 hrs
Shore A hardness 60±5
Tensile strength ≥6.0 N/mm 2
Elongation at break ≥300%
Tear strength ≥10 N/mm
Tensile-shear strength (with primer ≥4.0 N/ mm 2
Glass transition temperature -45°C, approx.
Service temperature (continuous)
Short - term (up to 48 hrs)
-40°C to +90°C

PU (Polyurethane) Solvent Free Fast Cure Windshield Sealant (Surtek 3356)

PU (Polyurethane) Solvent Free Fast Cure Windshield Sealant (Surtek 3356)

Contact us if you need more details on Polyurethane Sealant. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Polyurethane Adhesive、Windsreen Sealant. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : Pu Adhesive Sealant For Automobile

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