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Brief introduction to the historical development of refractory castable

Words:[Big][Medium][Small] Mobile Page Two-Dimensional Code 2018-06-10     

Castable is a kind of granular and powdery material made of refractory material, which is composed of a certain amount of binder and water.It has high fluidity, suitable for construction by casting method, and does not need heating to harden the amorphous refractories.It is composed of refractory aggregate, powder, binder, admixture, water or other liquid materials.· generally, prefabricated parts can also be made by pouring, shaking or tamping on the site.


A brief history of:

Refractory castable is the main variety of amorphous refractories. During the second world war, the United States used refractory castable as an alternative to shaped bricks for boilers or oil production equipment. Japan began to study and produce such materials in 1950.In the early 1950s, the Soviet union began to use Portland cement refractory castable.

Since the 1960s, the amorphous refractories have developed rapidly, and in the 1990s, the output of amorphous refractories in Japan, the United States, Germany and other countries has accounted for more than one third of the total output of refractories, and refractory castable accounted for 40%-50% of the amorphous refractories.Application in China in the early 1950 s began to Portland cement refractory castable, then called heat-resistant concrete, it is mainly used for under 700 ℃ (700-1200 ℃) sometimes thermal structures, widely used in 1965-1975 and phosphate calcium aluminate cement refractory castable, then called refractory concrete, using temperature increased to 1400-1600 ℃, during which the construction of the product production base, established product standard, at the beginning of 1976 since 1976, the products is increasing rapidly, the quality has also improved,} a mid - China has developed a new generation of refractory castable,Including low cement, ultra-low cement and no cement refractory castable, its quality is close to the international advanced level.


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