What are the main materials used for signs? The materials used in the production of signs 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. Metal signs are mainly based on raw materials such as copper, iron, aluminum, zinc alloy, and lead-tin alloy, and are made into nameplates, badges, badges, medals, keys through stamping, die-casting, etching, printing, enamel, imitation enamel, baking varnish and other processes Buckles, cap badges, hat clips, wallets, commemorative coins, craft signs, cufflinks, photo frames, mobile phone straps, tie clips, belt straps, hang tags, bottle openers and other craft accessories, as well as various metal signs, metal nameplates, etc. Various metal sign products of different categories. 3. Ceramic material: pure ceramic, cermet composite glass. The specific process flow and formula of the following metal flat signs that are frequently contacted (the process flow of flat signs): flat exposed aluminum signs: use photosensitive plate making methods, Put different pigments into the glue film to make the text and patterns appear on the metal plate, so as to achieve the metal nameplate with explanatory significance. 1) Blanking: The size of the wool is generally larger than the size of the plate (above 5mm), and the surface of the board is smooth and free of pits. 2) Pre-treatment: ①polishing ②wire drawing ③treatment④oxidation and other methods. 3) Water sealing: After degreasing and film removal, the processed board should be quickly immersed in water without contact with air. 4) Gluing: the configuration of glue. Glue: 200-230g Water: 1000ml, boil for 2 hours to fully dissolve the glue. When the temperature drops to 30-50℃, add 25-30g of photosensitizer (ammonium bibutyrate) and spread the glue evenly on Dry the metal plate for later use. 5) Exposure: The SB750 vacuum exposing machine can be used for photosensitive exposure. After the lamp is 60-90cm, the time is 40-80 seconds, and it is developed in warm water for 1 minute and put in the color solution for dyeing. 6) Gloss retention: After fully dyed brand, after drying, apply gloss retention paint with brush or spray gun (usually use eye brand baking varnish or baking-free gloss retention paint). 7) Cut into. JunQi can professionally provide you with the customization of luggage hardware accessories, luggage hardware, luggage buckles, luggage hardware accessories buckles, belt buckles
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