The metal flat placard is mainly a method of sensitizing the card, and dissolving different colors into the film to make it appear on the metal plate by the developing method, thereby achieving a metal sign with descriptive purpose.

Metal signs are mainly made of copper, iron, aluminum, zinc alloy, lead-tin alloy and other raw materials. They are made into nameplates, badges, badges, medals and keys through stamping, die-casting, etching, printing, enamel, imitation, baking and other processes. buckle, cap badge, hat clip, wallet, medal, commemorative coin, craft sign, cufflinks, photo frame, mobile phone strap, tie clip, belt head, tag, bottle opener and other craft jewelry and all kinds of metal signs, metal nameplates, etc. Different types of metal signage products.

What are the main materials used in signage? The materials used for sign making are:

1, non-metallic materials: acrylic, two-color board, PVC, plexiglass, wood and other signs.

2, metal material: stainless steel, iron, zinc alloy, brass, aluminum plate and other signs.

3, ceramic material: pure ceramic, cermet composite glass

The following specific processes and formulas for the metal flat-panel signs that are frequently touched (the process of flat-bathing signs):

Flat-bath aluminum sign: It adopts the method of photosensitive plate making, and puts different pigments into the film to make the characters and patterns appear on the metal plate, thus achieving the metal nameplate with explanatory significance.

1) Unloading: The required wool size is generally larger than the plate making size (5mm or more), the board surface is smooth and smooth, and there is no pit.

2) Pre-treatment: 1 polishing 2 drawing 3 processing 4 oxidation and other methods.

3) Water sealing: The treated board should not be in contact with air after being degreased, removed, and quickly immersed in water.

4) Glue: The configuration of the glue. Glue: 200-230 g water: 1000 ml, boiling water for 2 hours to fully dissolve the glue, so that when the temperature is lowered to 30-50 ° C, the photosensitizer (ammonium butyrate) 25-30 g is added and the glue is evenly coated. Dry on a metal plate for use.

5) Printing plate: The SB750 type vacuum printing machine can be used for photosensitive printing. After the lamp is taken for 60-90 seconds for 40-80 seconds, it is placed in warm water for 1 minute to be dyed in the color liquid.

6) Gloss: After a well-dyed brand, dry it, apply a gloss paint with a brush or spray gun (usually with an eye-paint or a bake-free finish).

7) Cut into.

Flat-sun signs are generally used for indoor products, small appliances, and equipment that is not affected by harsh weather. The advantage is that the plate making process is simple, the speed is fast, the delivery is timely, the rate is low and the rate is low. The disadvantage is that it is easy to fade after being exposed to the sun and rain. Can't do outdoor signage.

The above is all the treasures about the use of materials and production process.

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