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thermosetting polyester powder coating

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1.it is made of polyester resin, epoxy resin,pigment and filler, auxiliary agent; manufactured by mixing, squeezing, finegrinding, sieving and other working procedure.

2.polyester powder coating has strong outdoorclimate resistance performance, good decoration appearance, and good mechanicalstrength and protective performance.

3.this type powder coating has variousvarieties, including gloss, semi gloss, flat, matt, transparent, metal,wrinkle, sand textured and other varieties.

4.It is widely used inoutdoor usage, such as the coating of traffic vehicle components, airconditioner shell, aluminum alloy profiles, steel (aluminum alloy) door andwindow, garden metal furniture, highway barrier, lamp pole, agriculturalmachinery and so on.

Technical index of powder coating(before curing)
No.	Item	Index
1	appearance	loose,no agglomeration,uniform color
2	gel time(180±2℃)	120-420S
3	horizontal fluidity	20-28mm
4	volatile matter content（105℃1h)	≤1%
5	granularity（180residue on sieve）	≤0.5%
6	curing condition	180℃15min 200℃10min
Technical index of powder coating(after curing)
No.	Item	Index
7	color	conforms to arranged standard shade guide of suppliers and buyers and allowable range appearance
8	appearance	flat and sleek,slight tangerine peel is allowable,veins is clear
9	luster（60°）	gloss≥85%、flat51-84%、semi gloss15-50%、matt≤14%
10	thickness	60um-80um
11	pencil hardness	1H-2H
12	adhesion	1mm6*6 zero grade
13	flexibility	≤∮3mm
14	impect strength	50kg/cm（direct impact）
15	cupping test	≥6mm
16	neutral salt spray test	no obvious change in 500 hours
17	weathering resistance test	240h luster preserving rate≥85% no pulverization
18	QUV degradation test	500h luster preserving rate≥85% no pulverization
19	xenon lamp degradation test	500h luster preserving rate≥85% no pulverization
20	field exposure test(guangzhou area)	one year luster preserving rate≥85% no pulverization
note:2,3,5,7,9 in this table can be properly adjusted according to customer requirements