Limestone is a collection of minerals, the main minerals are calcite, Travertine Stone followed by dolomite, magnesite and other carbonate minerals, in addition to the jade Pulp, clay, pyrite, iron ore, water needle iron ore, sea green stone, organic carbon, asphalt, gypsum, Travertine Stone anhydrite and phosphates and other minerals.
Limestone is a collection of minerals, the chemical formula of limestone is CaCO3, the main minerals are calcite, followed by dolomite, magnesite and other carbonate minerals, Travertine Stone in addition to the jade Pulp, clay, pyrite, iron ore, water needle iron ore, sea green stone, organic carbon, asphalt, gypsum, anhydrite and phosphates and other minerals. The chemical composition of pure limestone is close to the CaCO3 theory, and Cao occupies 43.97%. 04%, CO2.
The limestone with square solution microcrystallization present, the crystal shape is complex, often appears the partial triangular surface body and the ling surface body, Travertine Stone the light gray or the bluish gray dense block, the granular, the nodule shape and the porous structure shape. Hardness 3, density 2.6 ~ 2.9, melting point of 825 ℃, between 830~1020℃ dissolved into calcium oxide and carbon dioxide, in the dilute acid occurs bubble boiling, Travertine Stone and dissolved.
Calcium carbonate is the main component of limestone, the main raw material for the production of glass. Lime and limestone are used extensively as building materials, Travertine Stone and are also important ingredients in many industries. Calcium carbonate can be directly processed into stone and fired formation lime.
Calcium carbonate is the most widely used, the largest amount of inorganic mineral powder materials, Travertine Stone calcium carbonate as a plastic commonly used powder materials have many other powder materials do not have the advantages, such as high whiteness, easy surface treatment of organic, processing equipment and mold wear light, molding and processing liquidity, coupled with rich resources, low prices, Travertine Stone become the preferred plastic processing industry inorganic mineral powder materials.
For rubber, calcium carbonate is second only to carbon black, Travertine Stone white carbon black third tonic filler, with a small toxicity, low price, good effect and other characteristics.
Heavy calcium carbonate is the world's first filler coating industry, it is not only inexpensive, but also can greatly reduce the production cost of paint, as one of functional fillers, it can affect many of the performance of paint, such as changing the mechanical strength of coating film, Travertine Stone improve the water resistance, powder resistance. It is the high quality and low cost of functional fillers, so in civil and industrial coatings, calcium carbonate has been the coating composition of one of the main basic substances
Calcium carbonate is one of the main inorganic chemical raw materials in papermaking industry, and the calcium carbonate used as paper filler and paper coated pigments can be classified into two categories: a kind of natural calcium carbonate (GL) made by grinding limestone, Travertine Stone and a synthetic product precipitated by chemical precipitation (PCC). The purpose of adding filler in papermaking is to improve the opacity and brightness of paper, improve the smoothness and uniformity of paper, Travertine Stone increase the softness of paper and reduce the moisture absorption and deformation of paper. For printing paper, after filling paper, ink absorption, printability performance is enhanced. Adding filler to a large extent also helps reduce paper costs.