The manufacturing process of bone china products

The manufacturing process of bone china products: Raw materials: Excellent bone china is formed by adding a large amount of bovine ashes with less impurities to the raw materials with feldspar and scopole clay as the main raw materials: because the raw materials contain a large amount of Bone meal makes the soil less viscous, so in the production process, special care must be taken in the forming process. Firing: 1. Associate firing at the highest temperature of 1250℃ after forming. Due to the large shrinkage of bone china during firing, the finished product will shrink by 20% after kiln firing (generally porcelain white porcelin dinnerware shrinks by 7%), so the shape is easy to deform , Plates, bowls, etc. must be placed on the special Kuang bowls for long-term cooking. 2. After that, check the shape, curvature and size. After grinding the surface, spray the glaze with a sprayer and enter the kiln to burn the glaze at 1150°C. Coloring: The general method of coloring is to paste transfer paper on a white finished product and burn it at 820°C. Inspection: All the itineraries are strictly inspected, and only qualified products will be sent to the next itinerary and made into finished products.
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