摘要 |
PROBLEM TO BE SOLVED: To lower the production cost of granite and other stone materials by firing them after skipping their grinding process, to change their hard and cold images to warm ones, to broaden the applications of these stones to pottery, China earthen ware are or glass and provide processed stone products with high value added. SOLUTION: Granite or stone materials of various kinds are cut according to the applications and fires at a such high temperature that the stone materials may develops their gloss on their using surfaces. In another case, granite or other stone materials are cut according to their uses, coated with a glaze on their surfaces and fired at a temperature higher than the melting point of the glaze. This firing treatment can avoid a very expensive grinding step and a noise pollution on the grinding.
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