Clay refractory fire clay

1, characteristics and uses: clay brick is a weak acid refractory material, its thermal stability is good, suitable for hot blast stove, all kinds of boiler lining, and flue, smoke room.
2, the form of product specifications: standard shape, general shape, special-shaped and special shaped brick.
Fire clay products have a variety of forms, the basic quality requirements of alumina is higher than 38% (usually 42-47%) and low iron content of alkali metal.Fire products are not calcined or calcined, and includes high performance products such as calcined mullite.Fire clay is used for the production of amorphous (shaped) and amorphous (monolithic) refractoriesBrick (brick) products include refractory clay brick (fire clay bricks), such as blast barrier brick (checker bricks) and high alumina bricks (high alumina bricks), such as horizontal induction furnace and vertical induction furnace lining support brick.In the amorphous material sector, there are a variety of product consumption, such as refractory clay, plastic material with high load, high alumina plastic, refractory clay and high alumina castable.

Fire clay is mainly composed of hydrated aluminum silicate, and its molecular formula is Al2O3. 2SiO2. 2H2O (ie, 39.5% alumina, silica and water of 14%). In this group of minerals, the most abundant.Fire clay, flint clay (flint clay, hard clay or hard clay), ball clay (ball clay or plastic clay, the plasticity of clay and kaolin) (kaolins).The common feature is that these minerals contain kaolinite, which is composed of 20-45%Al2O3、〈3%Fe2O3 and 〈3%Na2+K2O.When the calcination of kaolinite in the condition of temperature rising gradually, the mineral phase changes constantly, and the kaolinite is formed at about 550 ℃（metakaolin，Al2Si2O7）、At about 1000℃ Spinel formation（spinel，（Al2O3）2(SiO2）3+SiO2），Generation like mullite in about 1100 ℃（pseudo-mullite，[Al2O3·SiO2]2）Another kind of refractory clay products is mullite（3Al2O3·2SiO2），It can be at 1200-1500 ℃ high alumina calcined kaolin and alum clay （bauxitic）Kaolin made.At these temperatures, the main mineral phases of clay（main mineral phases）Into mullite, christobalite and a glass phase.

Taurus Refractory ramming mass Factory mainly engaged in professional manufacturer of development, production and sales of the refractory mixture such as melting copper, aluminum and zinc furnace lining. And supply castable refractory for copper smelting, ramming mass for molten copper,fire clay,refractory mortar, refractory cement ,refractory mixture, refractory concrete and silica sand for copper smelting.
Website: http://www.jnrefractory.com  
Contact: Mr. Niu
Tel: +86-371-64372566
Fax: +86-371-64372588
Mobile Phone: +86-15137151612
Email: info@jnrefractory.com
          gyjinniu@163.com
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