High Gloss Smooth Finish Radiator Powder Coating Excellent Marginal Coverage

It is made of epoxy resin, polyester resin, pigment, filler and additives through melting,

extruding, grinding and processing.

Main features

Good leveling property and high gloss;

Excellent physical and mechanical performance and resistance to chemicals and heat;

Good marginal coverage.

Product series

It can be made into common powder with various glosses and colors, art powder

and power coating with metal effect according to customers’ requirements.

Technical indexes

The paint film should be smooth but slight orange peel

is allowed and the color should meet

the color difference specified.

Surface prepartion

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.

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 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.