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Substrate processing
Put a certain amount of mineral wool into the container and add water to stir, separate the cotton from the slag ball, sink the slag ball at the bottom, remove the mineral wool, and then wash the cotton wool board after drying once - the production process moisture and weigh . Sometimes the mineral wool is also decomposed into granulated cotton by a granulator and then used. The additives such as adhesives and water repellents are mixed and mixed into a slurry according to the ratio, and formed on a long net copying machine. The slurry is filtered and vacuumed. Squeeze into a certain thickness of the blank, and then dry it into a mineral wool substrate after cutting.
Decoration processing
1. Blind hole processing: the semi-finished products are rolled and rolled out through holes with different shapes and sizes to increase the sound absorption effect, and then the edge finishing, coloring and drying are finished products. Processing of grooved plates: Blind-hole plates are machined into grooves in both vertical and horizontal directions by a special milling machine, or milled out in a circular shape, colored, and dried.
2. Processing of printed stencil: The semi-finished product is coated with pre-formed paint through the template on the printing machine, and various patterns are printed. The pattern can also be sprinkled with fine sand and then dried.
3. Processing of the relief plate: After the semi-finished product is colored, various patterns are pressed by a press equipped with an embossed plate, and then cut and opened. The embossed board is manufactured by a professional factory and has high processing cost.