Polyurethane sealant for OE market of auto body or windshield bonding and sealer

Description

Surtek 3668 is a one component, solvent free, high strength polyurethane adhesive sealant. It is non-sag, curing fast, of good initial strength. It does not contain solvent or PVC. And it has good vibration and weather resistance. The product is manufactured in accordance with ISO9001/ISO14001/TS16949.

Characteristics

One component, easy to use

Non-sagging

Fast cure

Solvent free

Aging resistant

Technical data

Uses

Surtek 3668 is used for windshield direct glazing. It is widely used for structural bonding and installation for windscreen of car, bus, train, boat, etc.

Application Note

• Use Comensflex Activator to make the substrate surface clean, dry, free of dust or grease.
• Shake Comensflex Primer bottle to make the material even before using it. Use brush to apply the primer onto the cleaned surface for a thin layer.
• Apply the sealant after the primer dried. Install the glass before the sealant tack free. The best working temperature is 20-30°C, humidity 50-70%
• The sealant cures with 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. Too high temperature and humidity may cause bubble in the cured sealant.
• Avoid the adhesive sealant from alcohol, acid, ammonia chemicals. These chemicals will cause the adhesive sealant uncured.

Packaging

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

Storage

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

Caution

• The sealant is moisture curable, which should be used up once opened.
• The product contains isocyanates, which may cause skin and eye irritation. Avoid eye-contacting and ingestion.
• The product should be stored avoiding high temperature and sunlight, and under cool and ventilated place.
• SKIN-Wash skin thoroughly with soap and water after removing with cloth. If symptoms persist, consult physician. EYES-Rinse eyes thoroughly with water for at least 15 minutes, consult physician.

Note

The information and recommendations related to the application and end-use of COMENS’ products are given in good faith based on COMENS’ current knowledge and experience of the products when properly stored, handled and applied under normal conditions. This information must on no account be used as a substitute for necessary prior tests which alone can ensure that a product is suitable for a given use, due to the practical differences in materials, substrates and actual site conditions. Users are requested to check that they are in possession of the latest version of this documents and COMENS’ is at their disposal to supply any additional information.