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  /  Brass Photo Etching

Brass Photo Etching
Process: Brass photo-etched with soft enamel
Material: Brass
Enamel: Soft enamel (with or without)
Thickness: 0.8mm (can be increased according to customer’s requirement)
Plating: Gold / Antique Gold / Silver / Antique Silver / Nickel / Black Nickel / Antique Nickel / Copper / Antique Copper / Brass / Antique Brass / Dyed Black
Epoxy coating: With or without ( Optional )
Attachment Various
Color reference: Pantone Color Chart
STEP 1 Transferring
An image of the design is transferred from a photographic negative onto the metal surface through a sensitization process.
STEP 2 Etching
An acid reaction process is then carried out to form the design indentation.
STEP 3 Rinsing
Acids and impurities are then washed off.
STEP 4 Coloring
* Soft enamel is carefully inserted by hand, one color at a time, using different sized syringes. * Drying. * To prevent defects, a high degree of skill is required in order to keep each color and the correct amount of enamel in the proper area.
STEP 5 Baking
The metal piece is baked at approximately 450F for 12 to15 minutes.
STEP 6 Stoning
After the metal board has cooled, the surface is finished by stoning with a carborundum stone until all excess color has been worn away.
STEP 7 Outline Cutting
* Cut the metal board in rows. * Cut individual designs in custom outlines ( min. metal outline thickness: 0.8mm ).
STEP 8 Attachment
Solder attachment onto the back of each piece.
STEP 9 Plating
Plating now can be processed. The quality of plating varies with the length of time the metal is soaked in the plating liquid.
STEP 10 Epoxy Coating
Clear epoxy is then applied to the surface to protect the enamel from color fading and cracking. (Epoxy coating is optional and provided according to customer's requirements.)
STEP 11 Inspection & Packing
All items are strictly inspected before delivery. Customer's satisfaction is guaranteed!

For Best Results

* Bolder designs are recommended in order to prevent any unsatisfactory coloring caused by lines and figures that are too thin or too small and will require an additional silk-screen printing process.

* General enamel coloring requires a surrounding metal space to ensure good quality painting results. Therefore it is usually necessary to allow for a blank metal rim ( 0.3mm minimum ). If you require full-piece coloring, a special printing process is necessary.

* The standard colors are based on the Pantone Chart.

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