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Solvent Free Fast Cure PU (Polyurethane) Windscreen Replacement Sealant (Surtek 3358)

Basic Info

Model No.:  Surtek 3358

Product Description

Model NO.: Surtek 3358

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

Classification: Room Curing

Characteristic: High Viscosity, High Shear Strength, Fast Cure

Composition: Organic Material

Size: 310ml, 400ml, 600ml

Specification: SGS

HS Code: 3506100090


Surtek 3358 is a one component, moisture-curable solvent free Polyurethane Adhesive Sealant for windscreen/windshield fixing and replacement. It is non-sag, of high bonding strength. And it has good vibration and weather resistance. The product is manufactured under ISO9001/ISO14001/TS16949.


One component, easy to apply

No sagginess, easy to apply in vertical surface

Fast cure

Good adhesion without primer

Good weather resistance, vibration and fatigue resistance


Surtek 3358 is applied for bonding and sealing of windshields, side window glass for various kinds of vehicles in the automotive aftermarket.

Application Note:

Clean surface to make it clean, dry, free of oil or grease.

Apply the Comensflex Activator and Comensflex Primer on the surface if needed.

The sealant cures with the moisture in the air. The lower the temperature is, and the lower the humidity is, the slower the curing rate is.

The suggested work temperature is 5-35° C, the best work temperature is 15-25° C.

Property of the Sealant Layer:

The product cures with the moisture in the air, which forms a high strength elastic Structural Sealant layer.

The sealant layer is resistant to water, weak acid, neutral cleaner which do not contain chlor-alkali. It can shortly resistant to fuel, oil, fat, and crude oil. But it should be avoided strong acid, lye, bleach and other organic solvent.

The sealant layer can be trimmed before curing. But after curing, it can only be removed by cutters.


Cartridge: 310ml/cartridge, 20 cartridges/carton

Sausage: 400ml/sausages, 600ml/sausage, 20 sausages/carton

Drum: 200L/drum


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 1.25 ± 0.05 kg/l
Tack-free time* 30~60 min
Rate of cure* ~3.5 mm per 24 hrs
Shore A hardness 60±5
Tensile strength ≥5 N/mm 2
Elongation at break ≥450%
Tear strength ≥10 N/mm
Shear strength (without primer) ≥2 N/ mm 2
Service temperature (continuous)
Short - term (up to 48 hrs)
-40°C to +90°C

Solvent Free Fast Cure PU (Polyurethane) Windscreen Replacement Sealant (Surtek 3358)

Solvent Free Fast Cure PU (Polyurethane) Windscreen Replacement Sealant (Surtek 3358)

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Product Categories : Pu Adhesive Sealant For Automobile