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The firing technology of Suichang black pottery
1. Choose clean mud with only small particles, fully melt it in the pool, then wash, filter and settle it until the mud is dry and maintain a certain humidity.

2. Repeated manual mud training and storage corruption were combined in mud training, and the aging time exceeded 15 days.

3. Blank is drawn by hand. After the blank is formed, it is naturally dried indoors to a certain extent, and then the blank is trimmed until the product reaches the standard specification.

4. Carving: Before carving, check whether there are sand grains or horniness on the surface of the ceramic blank, clean it to make it complete, then manually press it for carving, and dry it after carving. Air-dried to a certain extent, it should be calendered evenly to make the whole product shiny.

5. After acceptance, the semi-finished products will be baked in the baking room for 3 to 5 days. Then they will enter the kiln to start the firing process, which usually takes about 24 hours. Then, the kiln door will be closed, allowing carbon to penetrate into the embryo and cool down. Cooling for more than 36 hours before leaving the kiln, that is, the finished product.