About marble, I believe that many of my friends have a certain understanding. Nowadays, many families use marble when decorating their houses. Red marble is a very common color, and there are many varieties. Everyone is buying and selling. Pay attention to the specific selection method. So what are the varieties of red marble? How to maintain marble? Let's take a look at the relevant knowledge.
What are the varieties of red marble?
From a commercial point of view, all natural calcareous rocks that can be polished are called marbles, and not all marbles are suitable for all construction occasions, so marbles should be divided into four categories: A, B, C and D. This classification method is especially suitable for relatively brittle C and D marbles, which require special treatment before or during installation.
1. Class A: Good marble, with the same and excellent processing quality, free of impurities and pores.
2. Class B: The characteristics are close to the former type of marble, but the processing quality is slightly worse than the former; there are natural flaws; a small amount of separation, gluing and filling is required.
3. Category C: There are some differences in processing quality; defects, pores, and texture cracking are more common. Repairing these differences is moderately difficult and can be achieved by one or more of separating, gluing, filling, or reinforcing.
4. Class D: The characteristics are similar to those of Class C marble, but it contains more natural flaws, and the processing quality varies greatly, requiring the same method for multiple surface treatments. This type of marble involves many colorful stones, and they have good decorative value.
My country's marble mineral resources are extremely rich, with large reserves and varieties, and the total reserves are in the forefront of the world. According to incomplete statistics, it has been preliminarily identified that there are nearly 400 varieties of domestic marble. The red ones are: Anhui Lingbi Red Wanluo; Sichuan Nanjiang Red; Hebei Laishui Red and Fuping Red; Liaoning Tieling's Northeast Red, etc.