Auto polyurethane sealant for car aftermarket windshield replacement

FOB Reference Price:Get Latest Price
US $1.6-2.99 / Piece | 2000 Piece/Pieces polyurethane sealant for car (Min. Order)
Supply Ability:
72000000 Piece/Pieces per Year polyurethane sealant for car
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Quick Details
CAS No.:
Other Names:
auto glass repalcement
Place of Origin:
China (Mainland)
Other Adhesives
Main Raw Material:
Brand Name:
Model Number:
Surtek 3356
polyurethane sealant for car
Shore A hardness:
Work temperature:
polyurethane sealant for car
Shelf life:
9 Months
Product name:
Windshield Sealant
Auto glass
Smooth Paste
Cartridge and sausage
Packaging & Delivery
Packaging Details
310ml Cartridge,
400ml, 600ml Sausage,
200L Drum
Delivery Time
Shipped in 7 days after payment





Surtek3356 1-C Polyurethane Solvent Free Fast Cure Adhesive Sealant


Technical Data Sheet

Surtek 3356
1AppearanceUniform Paste
3Density1.25 ± 0.05 kg/l
4Tack-free time*15~35 min
5Rate of cure*≥3 mm/24 hrs
6Work temperature5-35°C
7Shore A hardness~ 60
8Tensile strength≥6 N/mm2
9Elongation at break~ 300%
10Shear strength≥4 N/ mm2
11Tear strength≥10 N/ mm
12Service temperature (continuous)
Short – term (up to 48 hrs)
-40°C to +90°C
NOTE: at 23°C and 50% relative humidity


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.

One component, easy to apply
Fast cure
Solvent free
High strength use with primer
Good weather resistance, vibration and fatigue resistance

Surtek 3356 is used for windshield bonding, bus body bonding, and other high-strength request bonding and gap filling. It should be used together with Comens Primer or Activator.

Application Note
1. Clean surface to make it clean, dry, free of oil or grease.
2. Apply the Comensflex Activator or Comensflex Primer on the surface.
3. The sealant cures with the moisture in the air. The lower the temperature and humidity is, the slower the curing is; and the higher the temperature and humidity is, the faster the curing is.
4. The suggested work temperature is 5-35°C, the best work temperature is 15-25°C.

Property of the Sealant Layer
1. The product cures with the moisture in the air, which forms a high strength elastic structural sealant layer. 
2. 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.
3. The sealant layer can be trimmed before curing. But after curing, it can only be removed by cutters.

310ml/cartridge, 600ml/sausage

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

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.




1.Are you manufacturer?

Yes. Our company-COMENS, is the only and the largest company producing polyurethane sealant in China. We have three factories in China-two in Beijing and one in Nantong, Jiangsu.


2.Do you accept Private Label?

Yes. We can do OEM for customers.


3.Can I get a sample before order?

Of course. Generally, we provide 1-5 pieces free samples for you test and the courier fee be born by customers. Thank you for your understanding.


4.How to get samples from your company?

Generally, we send samples by TNT, UPS, FedEx.


5.How long you will finish my order?

It is depend on your order quantity. Generally, we just need 5 days to produce 10000 pieces, 600ml sausage after receive your payment.


6. Can I visit to your factory?

Welcome. Please let me know your trip plan, we would like pick you up and book hotel for you.


7.How to contact you?

Welcome to contact us online in Trade manger, SKYPE(xu.ruofei1), WhatsApp (+0086-150 0127 1163),E-mail(xrf(AT)


8.How to find the suitable polyurethane sealant?

Please let me know your application purpose, substrate, application method and all your requirements. We would like give you a recommendation.