Castle Gray

Feature editing
(1) good decorative performance, marble does not contain radiation and bright color, rich colors, is widely used in interior wall, ground decoration. Has excellent processing performance: sawing, cutting, polishing, drilling, engraving, etc..
(2) the wear resistance of marble is good, it is not easy to aging, and its service life is about 50-80 years.
(3) marble is widely used in industry. Such as: used for raw materials, cleaning agents, etc..
(4) marble has the characteristics of non conductive, non magnetic conductivity, field stability and so on.
From a business perspective, all natural formation, can carry out polishing of the calcareous rocks are known as marble, marble is not applicable to all building applications, so the marble should be divided into A, B, C and D four. This classification method is particularly applicable to the relatively brittle C and D marble, which require special treatment during installation or prior to installation.
Classification editor
Class A: high quality marble, with the same, excellent processing quality, without impurities and porosity.
B class: features close to the former type of marble, but the processing quality is slightly worse than the former; there are natural flaws; need to carry out a small amount of separation, adhesion and filling.
C categories: there are some differences in the processing quality; defects, porosity, texture fracture is more common. Repair these differences in the difficulty of medium, through the separation, adhesive, filling or reinforcement of one or more of these methods can be achieved.
D class: features similar to the C type of marble, but it contains more natural defects, the greatest difference in processing quality, the need for a number of surface treatment methods. This kind of marble made many colorful stone, they have very good decorative value.