Product name: Special powder coating for outdoor building decoration
General introduction:
The powder coating made of carboxyl polyester resin, commonly known as weathering resistant powder coating is mainly used for outdoor facilities. The airport road, Hulan, isolation device, municipal engineering facilities, light boxes, outdoor air conditioning, outdoor fitness and leisure equipment, lawn mower etc.
Can provide gloss (more than 80%), Semi-gloss (50-80%), flat (20-50%) and Matt(20%) of the product. (According to the needs of users control luster.)
Product Series:
Can provide indoor and outdoor dark, light colored conductive powder coating
Powder physical properties:
proportion(g/cm3, 25℃):1.4-1.7
Distribution of particle size: 100% less than 100 microns(can be adjusted according to special requirements of coating)
Curing conditions: 200℃(workpiece temperature), 10 minutes
Coating performance:
Test items | Test the standard or method | Test indicators | ||
---|---|---|---|---|
gloss | Semi-gloss | Matt | ||
Impact resistance | GB/T 1732-1993 | 50kg.cm | 40kg.cm | 40kg.cm |
Cupping test | GB 9753-1988 | 8mm | 7mm | 7mm |
Adhesion(Grid method) | GB/T 9286-1998 | 0 level | ||
winding | GB 6742-1986 | 2mm | 3mm | 3mm |
Pencil hardness | GB/T 6739-1996 | 1H-2H | ||
Salt spray test | GB 1771-1991 | >500 hours | ||
Hot and humid test | GB 1740-1989 | >1000 hours | ||
Heat resistance | 150℃×24h(white) | Excellent light retention, color difference ≤0.3-0.4 |
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Weather resistance (artificially accelerated aging) | 60℃×8h UV + 50℃×4h Condense and cycle for 500 hours |
gloss retention: ≥50% Color stability: color difference ≤1.5 |
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Note | 1. The above test uses 0.8 mm thick cold-rolled steel sheet with standard treatment, and the coating thickness is 60-80 um. | |||
2.The performance of the above coating may vary with color and gloss. |
Average coverage:
9-12 m2/kg, The film thickness is about 60um (calculated with 100% powder coating usage)