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Polyure thane powder coating
Polyure thane powder coating

The company has the authentication of ISO 9001

General instruction

Made of hydroxyl-polyure thane,it has excellent leveling property,chemical resistance,accelerated weathering and resistance to petrol. It's suitable for painting the surface of those metal which requires high chemical resistance, such as the car, the motorcycle, the accelerator and the farm machinery,etc.

Product series

It can provide high-gloss(>80%),semi-gloss(20-80%),non-gloss(<20%). Adjustment is possible according to customers'requirement..

Physical properties

Density: 1.4-1.7 (differ with colors and gloss )
Distribution of particle size: 100% less than 100 micron(special adjustion is available)
Horizontal flow: 24 ~ 27 mm

Solidification condition

Standard 200¡æ(work-piece temperature), 10 min

Performance of coating film


Item
Standard/method
Target
Impact resistance
ISO 6272
GB/T 1732-1993
50cm.kg
Erichsen test
ISO 1520
GB/T 9753-1988
8mm
Cutcrossing adhesion
ISO 2409
GB/T 9286-1998
0 grade
Bend test
ISO 1519
GB/T 6742-1986
2mm
Pencil hardness
ASTM D3363
GB/T 6739-1996
1h-2H
Salt spray corrosion test
ISO 7253
GB/T 1771-1991
> 500 hour
Temperature humidity test
ISO 6270
GB/T 1740-1979
> 1000 hour
Resistance to acids 150 ¡æ/24 hour(white) Light resistance excellent, chromatism¡Ü 0.3-0.4
Man-made accelerating aging condensation:60 ¡æ/8h UV + 50 ¡æ/4h circulation:500h Light resistance:¡Ý 50%
Color stability:chromatism ¡Ü 3.5
Remarks 1.Uses 0.8mm thick cold rooled steel coil (without dust or petrol) for the test, Film thinkness: 50-70micron
2.The target can be differ with colors and gloss

Average covering

9-12m2/ kg, thinkness of the coating: 60micron (caculated as the powder of coating is 100% used)

Package

In cartons,lined with two layers of polythene bags of 20kg net each

conditions of storage

Indoor storage, below 35 ¡æ,airy,dry and clean. Keep it away from fire, heat,and direct sunlight. Pile up on the open air is not allowed.The term of validity is 12 month under the condition above. it can still be used under further examination, if the quality of the overdue powder coating is up to the standard.

Safty and security

Though this type of powder coating is non-toxic, breathing in the dust should be avoided.It is suggested that dust-proof masks or glasses should be worn. If possible, the long-term exposure with the powder coating should be avoided.

Others

For reference only, the key data are valid under certain condition, and stand for the characters of our typical items.

 


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