# 人造洞石 #
Gray terrazzo is a classic terrazzo - the background color is gray, with black, white and various gray gravel textures on it
Shop prefabricated inorganic terrazzo to brighten your eyes when you enter the door; Cleanliness is the first impression, and comfort is a long-term experience; Do not publicize, do not dominate, quietly create a sense of comfort, there is no sense of existence, but there is an indelible concrete existence.
The surface hardness reaches grade 5-7, which is close to the surface of high hardness granite and has better wear resistance. Anti slip and wear-resistant. Because it is ground with crushed stone cement, it has good anti-skid, wear resistance and bearing capacity.
Linear thermal expansion coefficient: 0.5 × 10-1℃C-1
La < 0.1i < 0.1 classification: class a radioactivity
Bulk density: 2.52g/cm2
Mohs hardness: 4.5
Water absorption: 0.22%
Bending strength: 8.4mpa
Compressive strength: 80MPa
Bending strength: 12.4MPa