Italy silver grey travertine, the scientific name is travertine, and the English name: (Travertine) is a kind of porous rock, so people usually call it travertine. Travertine is a kind of porous rock. Commercially, it is classified as marble. Travertine belongs to continental sedimentary rock, which is a kind of calcium carbonate deposit. Since pores sometimes appear in the process of re-accumulation, and because its main component is calcium carbonate, it is easily dissolved and corroded by water, so many natural irregular pores will appear in these deposits.
Travertine is generally divided into white travertine and beige travertine. There are two shades of color. Some are called yellow travertine and white travertine. The English name is travertine, which is directly translated as tuff or travertine. Its main feature is the presence of gas in carbonate minerals during the deposition process, resulting in the formation of many holes.
There are generally Roman travertine, Iranian travertine and travertine produced in Turkey and other places. Roman travertine is darker in color, more obvious in texture, and better in texture; healthy travertine is lighter in color, loose in texture and weak in strength. This type of stone can be polished and has obvious texture characteristics. The bending strength is anisotropic. The bending strength in the vertical grain direction (strong direction) is about 6 MPa, and some exceeds 7 MPa; the bending strength in the parallel grain direction (weak direction) is 4 MPa. From left to right, the difference in material and pattern is sometimes around 5MPa, sometimes very low not exceeding MPa; the chaotic direction is between them, and the texture at this time is in the thickness direction.
Beige travertine floor tiles
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What are the disadvantages of beige travertine?
1. The true density of the travertine itself is relatively high, but due to the existence of a large number of holes, the volume density is low, the water absorption rate is increased, and the strength is reduced. Therefore, the physical performance index is lower than the normal marble standard. Due to the large number of natural defects such as textures, mudlines, mud bands, and cracks, the uniformity of performance of this material is poor. In particular, the dispersion of the bending strength is very large. The large bending strength can reach more than ten megapascals and the small one is less than 1 megapascal. Some of them will break during the transportation process, which is easy to cause industrial accidents.
2. Natural defects are also the main reason for the poor freeze resistance of this material. Many samples have frozen and cracked into a pile of rubble before the performance of 25 freeze-thaw cycles. This kind of stone belongs to limestone with carbonate structure and poor carbonation. It is used in the heavily polluted areas like Asia, where acid rain erosion will be very serious and the destruction of stone will be accelerated. There are many reasons why this material is used on the wall, especially the dry hanging method is used on the outer wall in a large area, which has a very high risk.