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PU (Polyurethane) Windscreen Sealant for Auto Glass Bonding (Surtek 3351)

Basic Info

Model No.:  Surtek 3351

Product Description

Model NO.: Surtek 3351

Morphology: Black Paste

Material: Polyurethane

Main Agent Composition: Polyurethane Prepolymer

Promoter Composition: Complexing Agent

Color: Black

Name: Urethane Sealant

Sagging: No Sagging

Export Markets: Global

Trademark: Surtek

Origin: China

Bonding Function: Structural Adhesive

Application: Automobile, Construction

Classification: Room Curing

Characteristic: Fast Cure, High Shear Strength, Waterproofing

Composition: Organic Material

Size: 310ml, 400ml, 600ml

Primer: No Need Primer

Cure: Fast Curing

Function: Windscreen PU Sealant

Specification: ISO9001/TS16949

HS Code: 3506100090


Surtek 3351 is a high-quality non-sag one component Polyurethane Adhesive Sealant specially designed for aftermarket, windscreen sealant. It cures on exposure to atmospheric humidity to form a durable elastomer.

Advantages windscreen Sealant

One component, easy to use;

High elasticity;

Fast curable;

Good adhesion without primer;

Resistant to aging and weathering;

Solvent free, non-corrosive.

Application windscreen sealant

Surtek 3351 is suitable for the windshield replacement, or bonding/sealing of a variety of materials for vehicle body in aftermarket.


310ml cartridge, 400ml sausage, 600ml sausage, 200L drum

Storage and Shelf Life

When stored at the recommended conditions in original, unopened containers, this product has a shelf life of 9 months.

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 1.30 ± 0.05 kg/l
Cure mechanism Moisture-curing
Tack-free time* 30~60 min
Rate of cure* ~3.5 mm per 24 hrs
Shore A hardness ~65
Tensile strength ≥4 N/mm 2
Elongation at break ≥400%
Tear strength ≥10 N/mm
Tensile-shear strength (without primer) ≥2.0 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) Windscreen Sealant for Auto Glass Bonding (Surtek 3351)

PU (Polyurethane) Windscreen Sealant for Auto Glass Bonding (Surtek 3351)

Contact us if you need more details on Windscreen Sealant. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Polyurethane Sealant、Windshield 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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