Grade selection: according to the allowable deviation of specifications and dimensions, the allowable tolerance of flatness and angle, as well as the appearance quality, surface finish and other indicators, marble plates are divided into three grades: superior products, first-class products and qualified products; The grading and identification of marble plates are mainly through the detection of instruments and measuring tools.

سنگ مرمر صفحات رنگارنگ٪ 2c با رنگ های مختلف و الگوهای٪ 2c که دقیقا جذابیت از سنگ مرمر صفحات است. رنگ اساسا سازگار است٪ 2c رنگ تفاوت کوچک٪ 2c و الگوهای زیبا هستند. در غیر این صورت٪ 2c تزئینی اثر به طور جدی تحت تاثیر قرار می گیرد.

The surface glossiness of marble plate will greatly affect the decorative effect. Generally speaking, the polished surface of high-quality marble plate should have a mirror like luster, which can clearly reflect the scenery. However, due to the different chemical composition of marble of different quality, even products of the same grade will have a great difference in glossiness. Of course, the surface glossiness of the plates with the same material and different grades will also be different. In addition, the strength and water absorption of marble plate are also important indicators to evaluate the quality of marble.