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Outdoor Ral Color Polyurethane Powder Coating For Construction Aluminum Profile 

Place of Origin: Zhejiang, China (Mainland) 
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Product Detail

Model No.: Outdoor and Indoor

 RAL Color Metal Appliance Epoxy Polyester Powder Coat

 
RAL Color Metal Appliance Epoxy Polyester Powder Coating
 

Composition

It is made of epoxy resin, polyester resin, pigment, filler and anti-yellowing additives
through melting, extruding, grinding and processing.

Main
features

The gloss can be adjusted within 5-60% (60°);
Good anti-yellowing performance;
Good physical and mechanical performance and resistance to chemicals and heat.

Application

It is applicable to the coating of household appliances, instruments, meters, light industrial products,
office equipment, library equipments and electromechanical equipment with relatively
high requirements.

Product
series

Powders with different glosses and colors can be made according to customers’ requirements.


 
 
 
 
 
 
Technical
 
indexes
 
 
 
 
 
 
 

Residue on sieve %125μm0 or based on negotiation
Color and appearance of paint film

The paint film should be smooth but slight orange peel is allowed
and the color should meet the color difference specified.

Hardness≥2 H
Gloss (60°)According to customers’ requirements
Bending mm2
Adhesive force (1×1 mm) Grade 6×60
Impact resistance kg.cm≥5
Acid resistance (HCI 3%)240 hThe film has no change.
Alkali resistance (NaOH 5%) 168 hSlight change is allowed but it shall recovered within 2h.
Salt spray resistance 400≤ Grade 1
Damp-heat resistance 500≤ Grade 1
Film thickness μm50~60

 
Surface
preparation

The corresponding treatment method should be used based on the substrates, such as phosphating,
chromizing, shot blasting or blast cleaning
1. The surface roughness should be 30 ~75 μm if reaching Grade Sa2.5 by shot blasting
or blast cleaning.
2. Phosphating: degreasing- derusting- neutralizing- surface control- phosphating- passivating
Appearance of phosphating film: The phosphating film should be crystallized densely,
continuously and evenly.
3. Chromizing: degreasing- rinsing- immersion cleaning- deoxidating- rinsing- chromizing

 
Method of
Application

It is applicable to high voltage electrostatic spraying
Spraying voltage: 50-90 kV; air pressure for spraying: 0.1-0.2 Mpa;
distance between the gun and workpiece: 200-300 mm
Curing condition: 180/15-20 minutes or customized according to customers’ requirements.
Additional coating: different measures should be taken for the specific conditions:
1. If the requirements are not high, paints with the same color can be used for additional coating;
2. In case of high requirements, spraying and curing should be made after polishing the omitted part
with sand paper and spraying the whole surface.

 

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 Mr. Mr. Xu

Tel: 86-769-22851002
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Company Info

HONG KONG SUNRISE MATERIALS CO., LIMITED [China (Mainland)]


Business Type:Manufacturer
City: Dongguan
Province/State: Guangdong
Country/Region: China (Mainland)

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