

5245 S1-1-1 aliphatic polyurethane topcoat
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5245 S1-1-1 aliphatic polyurethane topcoat
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Product introduction
5245 is atwo-component aliphaticisocyanate-cured acrylicpolyurethane topcoat. it has a high solid content and excellentweather resistance. its paint film is tough with high mechanicastrength and good chemical resistance.
Recommended applications
This product can be used as a topcoat for moderate to severeatmospheric corrosion environment requiring weather resistanceperformance,such as gloss and color retention.
Product information
Appearance:Adjustable color, half light
Volume solids:65±2%
Proportion:10 :1 (volume ratio)or 13.2 :1(weight ratio)
Recommended DFT:60 μm (corresponding WFT=92 μm)
Theoretical quantity required (60 μm):10.8 m2 /L or 7.45 m2 /L
SG:1.45 kg/L
Flash point:Above 29℃
VOCs:352 g/L
Mixture's pot life (20°c after mixing):2.5h
Full cure (20℃):7d
Construction conditions
The substrate should be clean and dry. The paintingtemperature should be higher than 3'C above the dew pointto avoid condensation.
Curing agent is sensitive to moisture, so it is recommended to apply this product at<85%RH.
This product can be applied at temperature lower to -10℃.
Adequate ventilation is required during drying.
Painting method
Painting methods:airless spraying/air spraying/brush coating/roller coating
Diluent:109 epoxy diluent
Dilution:0-5% of the coating weight, The actual addition may be adjusted according to the field painting method
Nozzle size:0.43-0.48 mm
Spraying pressure:14 Mpa
Drying time | ||||
Temperature | 0℃ | 10℃ | 20℃ | 30℃ |
Surface drying | 8h | 4h | 2.5h | 1.5h |
Hard drying | 24h | 12h | 8h | 4h |
Repainting interval | ||||||
Subsequent coats | Temperature | -10℃ | 0℃ | 10℃ | 20℃ | 30℃ |
Polyurethane topcoat | Shortest | 36h | 24h | 16h | 8h | 4h |
Longest | Unlimited | Unlimited | Unlimited | Unlimited | Unlimited |
Packing specifications:Component A:24kg,component B:1.8kgor Component A:16L, Component B: 1.6L
Shelf life:24 months for base material , 24 months for curing agent
Detergent:109 Diluent (after painting, clean the equipment in timeto avoid paint curing)
Safety measures:Refer to our Material Safety Data Sheet(MSDs)
Disclaimer: The above produtiformatin and data are accumulated acordina to ou experience in experiments and pracicaluse, and can be used as a constuction quideFor painting works that we are not informed, we ony guarantee the qualty ofthe coating itsel,butwe are not responsilble for other problems. We have the righto modify thimanualdue to the continuous improvement of our product.
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