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.
- One component, easy to use
- Non sagging
- High elasticity
- Fast cure
- Good adhesion without primer
- Resistant to aging and weathering
- Non-corrosive
Surtek 3355 is suitable for the windshield replacement, or bonding/sealing of a variety of materials for vehicle body in aftermarket.
| Appearance | Uniform Paste |
| Color | Black |
| Density | 1.30 ± 0.05 kg/l |
| Cure mechanism | Moisture-curing |
| Tack-free time* | 20~60 min |
| Rate of cure* | ~3.5 mm per 24 hrs |
| Shore A hardness | 60±5 |
| Tensile strength | ≥4 N/mm^2 |
| Elongation at break | ≥400% |
| Tear strength | ≥10 N/mm |
| Tensile-shear strength | ≥2.0 N/ mm^2 |
| Glass transition temp | -45°C approx. |
| Service temperature | -40°C to +90°C (Short term 130°C) |
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Storage & Specification
SPECIFICATION: 310ml cartridge, 400ml sausage, 600ml sausage, 200L drum
STORAGE: When stored at 5-25° C and humidity <50% RH, this product has a shelf life of 9 months. Avoid temperatures over 30° C or humidity over 80% RH to prevent deterioration.
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Frequently Asked Questions
What is the main application for Surtek 3355?
It is primarily designed for aftermarket windshield replacement and bonding or sealing vehicle body materials.
Does this polyurethane sealant require a primer?
Surtek 3355 provides good adhesion to most surfaces without the need for a primer.
How long does it take to become tack-free?
The tack-free time is typically between 20 to 60 minutes at 23 °C and 50% relative humidity.
What are the recommended storage conditions?
It should be stored between 5-25° C with humidity levels below 50% RH to maintain its 9-month shelf life.
Is the sealant resistant to outdoor elements?
Yes, Surtek 3355 is formulated to be resistant to aging and weathering, making it durable for automotive use.
What sizes are available for this product?
Available specifications include 310ml cartridges, 400ml and 600ml sausages, and 200L drums.
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