Introduction:
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Polyurethane is mainly made of satu polyester with isocyanate as curing agent
Feature:
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Good mechanical performance smooth film Excellent weatherability
Uses:
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Structural steel,wall and bridge etc
Series of Product:
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Standard weatherability and super high weatherability products
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It could be made to various luster and color
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It could be made to various kinds of art texture products,such as flat,lanose grain,webbing,wrinkle,sandy,hammer tone etc
Physical Property:
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Density: 1.1-1.8 g/cm3,standard curing and lower temperature curing
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Granularity distribution:Varies with different purpose.Average particle size is
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28-38um,10um-84um, powder>90%¡¡Volatility<2%
Coating Film Property:
Properties |
Test Method |
Value |
Pencil Hardness¡¡ |
GB/T 6739-1996 |
¡Ý H |
Impact strength test |
GB/T 1732-93 |
50 KG cm |
Erichsen cupping |
GB 9753-88 |
£¾6mm |
Adhesion |
GB/T 9286-1998 |
0grade |
Bend test |
GB 6742-86 |
3mm |
Salt spray test |
GB/T 1771-91 |
100h no change |
Humid heat test |
GB/T 1740-79 |
1000h ¡Ü 1 grade |
Accelerated light aging test |
ASTM G154 |
QUV 0.78m/m2 340nm 500h |
Apply Condition:
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Pretreatment:Phosphated,Chromated
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Coating method:Electrostatic-fluidized bed coating;Corona electrostatic spray coating;
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Tribo-electrification coating
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Curing condition: 200¡ãC/10min 180¡ãC/15min¡¡150¡ãC/25min
Packing:
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Double pvc bag,net weight is 20KG each carton
Storage:
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Dry room with good ventilation, Temperture is lowder than 30¡ãC,avoid direct
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sunlight.There are 12 months to maintain under this condition.Expired prod
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ucts still cannot be used unless testing results meet the utilization standards
Health and Safety:
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There are no hazardous ingredients in all the raw materials of powder coatings and no hazardous gas will be released while using.However,the inhalation of dusts should be avoilded.An operator should wear an anti-dust mask and try best to avoid long-term contact with the powder coating.Those coaings sticked on the skin should be washed by soap.