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Vantagens do produto: Alta qualidade e preço competitivo

Vantagem de fornecimento: Linha de produção refratária inteligente totalmente automática

Certificação: Fomos aprovados pela ISO9001/ISO14001

Amostra: Testes de amostra estão disponíveis

Serviço pós-venda: 7*24 horas de atendimento on-line ao cliente responsivo, serviço de entrega rápida em todo o mundo.

Costumização: Materiais refratários e soluções customizadas de acordo com as necessidades do cliente.

Whatsapp:008618638759011

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The impurity content of andalusite brick is low, and the high-temperature strength decreases very little. andalusite brick has the characteristics of rapid cooling and rapid heating resistance, high mechanical strength, strong thermal shock resistance, strong slag resistance, alta refratariedade sob carga, high chemical stability, and strong chemical corrosion resistance.

The micro-expansion of andalusite fire bricks changes the use of materials and the extension of their service life. Andalusite refractory bricks are widely used in kilns and boilers of various industrial fields such as metallurgy, building materials, fine ceramics, electric power, chemical industry, etc.. Andalusite refractory brick is applied on the top of some metallurgical furnaces, and the effect is better than that of silica brick.

andalusite brick
andalusite brick

Specification of andalusite brick

Índice RSGX-135RSGX-140RSGX-150
Al2O3(%) ≥656565
Fe2O3(%)≤
 
1.5151.0
Bulk Density(g/cm3) ≥2.402.502.60
Apparent Porosity(%)≤
 
222220
Cold Crushing Strength(MPa) ≥606080
0.2Mpa Refractoriness Under Load℃≥
 
152015501600
Refractoriness℃ ≥179017901790
(0.2MPa,20-50h,%)Creep rate(%)0.21400℃
0.2
1400℃
0.2
Thermal Shock Resistance (1000℃, water, quenching, cycle)152020

Characteristics of andalusite brick

Resistência a altas temperaturas: Andalusite refractory brick can withstand temperatures above 1800℃. When heated, they transform into mullite, which enhances their fire resistance.
Thermal expansion: They exhibit low thermal expansion during the transformation into mullite.
Mechanical strength: These bricks maintain their strength under high-temperature conditions and can resist rapid cooling and heating.
Chemical stability: Andalusite bricks are chemically stable, resistant to chemical attack, and even insoluble in hydrofluoric acid.
Thermal shock resistance: It has strong thermal shock resistance and a high load conversion point.
Low porosity and creep rate: The bricks exhibit low porosity and low creep rate at high temperatures.

Application fields of andalusite bricks

andalusite Refractory Bricks for Kiln
andalusite Refractory Bricks for Kiln

Andalusite bricks are a versatile and strong refractory material. Its excellent thermal and chemical stability, coupled with high mechanical strength and thermal shock resistance, make it an important refractory material for various high-temperature industrial applications. Its ability to transform into mullite under heating gives it high refractoriness and durability, making it a first choice for metallurgy and other related industries. It is specifically used in hot furnace bodies, torpedo cars, ladles, glass-melting furnaces, roofs of electric furnaces, and heating furnaces.

Introduction to the manufacturing process of andalusite bricks

Andalusite refractory bricks are made of andalusite as raw material, and then sillimanite powder, mullite powder, and other powders, and then add adhesives according to the proportion, and put mullite powder, andalusite fine powder, and sillimanite fine powder into a sand mixer for mixing, and add clay and water accounting for 2% of the total weight of the raw materials for mixing, and then add silicon micro powder for mixing, and use a brick press to press into a brick blank, and after the brick blank is dried, put it into a firing kiln for sintering, and then it can be fired into andalusite refractory bricks.

andalusite bricks
andalusite bricks

Contact us for a quote on refractory bricks

Rongsheng Refractory Material Manufacturer can customize refractory bricks of different sizes and types for you. If you need this refractory brick, please contact us and we will send you a quotation as soon as possible.

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