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5245 S1-1-1 Aliphatic Polyurethane Topcoat
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5245 S1-1-1 Aliphatic Polyurethane Topcoat
Product Description
Product Introduction
5245 is a two-component, aliphatic isocyanate‑cured acrylic polyurethane topcoat. This product features a high solids content and excellent weather resistance, with a tough, durable film that exhibits superior mechanical strength and outstanding chemical resistance.
Application areas
This product can be used as a topcoat in environments with moderate to severe atmospheric corrosion, where the coating is required to maintain gloss and color retention over time.
Product Information
Appearance: Color adjustable, semi-gloss
Solid content by volume: 65±2%
Mixing ratio: 10:1 (by volume) or 13.2:1 (by weight)
Recommended dry film thickness: 60 μm (corresponding to a wet film thickness of 92 μm)
Theoretical coverage (60 µm): 10.8 m²/L or 7.45 m²/kg
Specific gravity: 1.45 kg/L
Flash point: above 29°C
VOC content: 352 g/L
Shelf life (after mixing at 20°C): 2.5 hours
Fully cured (20°C): 7 days
Construction conditions
The substrate shall be clean and dry, and the application temperature must be at least 3°C above the dew point to prevent condensation.
The curing agent is sensitive to moisture; it is recommended to apply this product when the relative humidity is below 85%.
This product can be applied in environments as low as -10°C.
Ensure adequate ventilation during the drying process.
Painting method
Application Method: Airless Spraying / Air-Assisted Spraying / Brushing / Roller Coating
Thinner 109 Thinner
Dilution Ratio: 0–5% (by weight of the paint; the actual amount added may be adjusted according to on-site application methods)
Nozzle diameter: 0.43–0.48 mm
Ejection pressure: 14 MPa
Drying time |
||||
Temperature |
0℃ |
10℃ |
20℃ |
30 °C |
Finger-dry |
8 hours |
4 hours |
2.5 hours |
1.5 hours |
Brute force |
24 hours |
12 hours |
8 hours |
4 hours |
Recoating interval time |
||||||
Subsequent Coating/Temperature |
Temperature |
-10℃ |
0℃ |
10℃ |
20℃ |
30 ℃ |
Polyurethane topcoat |
Shortest |
36 hours |
24 hours |
16 hours |
8 hours |
4 hours |
Longest |
Unlimited |
Unlimited |
Unlimited |
Unlimited |
Unlimited |
|
Packaging Specifications
Component A: 24 kg Component B: 1.8 kg or Component A: 16 L Component B: 1.6 L
Shelf life
Base material: 24 months; curing agent: 24 months.
Cleaning agent
109 Thinner (Clean equipment promptly after painting to prevent paint from curing)
Safety measures
Refer to the company’s Material Safety Data Sheet (MSDS).
Disclaimer: The information and data provided herein are based on our testing and practical experience, and are intended as a guide for application. For applications carried out under conditions beyond our knowledge or control, we warrant only the quality of the paint itself; we assume no responsibility for any other issues. We reserve the right to revise this instruction manual in light of ongoing product improvements.
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