China Fast Curing OEM Automotive Sealant

Surtek 3355 is a high-quality non-sag one component polyurethane adhesive sealant specially designed for aftermarket. It cures on exposure to atmospheric humidity to form a durable elastomer.
Advantages
One component, easy to use;
Non sagging;
High elasticity;
Fast cure;
Good adhesion without primer;
Resistant to aging and weathering;
Non-corrosive.
Application
Surtek 3355 is suitable for the windshield replacement, or bonding/sealing of a variety of materials for vehicle body in aftermarket.
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Technical Data Sheet of Surtek 3355

AppearanceUniform PasteColorBlackDensity1.30 ± 0.05 kg/lCure mechanismMoisture-curingTack-free time*20~60 minRate of cure*~3.5 mm per 24 hrsShore A hardness60±5Tensile strength≥4 N/mm^2Elongation at break≥400%Tear strength≥10 N/mmTensile-shear strength (without primer)≥2.0 N/ mm^2Glass transition temperature-45°C approx.Service temperature (continuous)
Short - term (up to 48 hrs)-40°C to +90°C
130°C

Packaging
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.
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