fire clay insulation refractory bricks with different shapes
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Clay brick is the refractory brick with 30%- 48% alumina content. Clay brick is weak acid product. Because of its rich resources, simple production process, low cost, it is widely used.
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Grade |
40 - 48% Alumina Fireclay Bricks |
30 - 35% Alumina Fireclay Bricks |
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Recommended Service Temperature |
1600℃ |
1500℃ |
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Bulk Density |
g/cm3 |
2.2 |
2.1 |
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Apparent Porosity |
% |
22 |
24 |
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Modulus of Rupture |
kg/cm2 |
90 |
80 |
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Cold Crushing Strength |
kg/cm2 |
300 |
250 |
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Linear Expansion @ 1350℃ |
% |
0.2 |
0.2 |
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Refractoriness Under Load |
℃ |
1450 |
1300 |
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characteristics of fire clay bricks:
1,high density
2,good thermal shock resistance
3,excellent volume stability at high temperatures
Lightweight clay refractory brick is with a light weight, small thermal conductivity and high refractoriness. Its drawback is high air permeability, loose structure, low mechanical strength, anti-slag and poor anti-harmful gas erosion ability, easily to be damaged in long-term use. Therefore, the density of 0.4-0.8g / cm3 fireclay products are generally used as high temperature insulation components, the density of 1.0-1.3g / cm3 fireclay product as an insulation wall between industrial boiler pipe.
The chemical and physical index of lightweight insulation fireclay brick
Related information
Category of High Alumina Refractory Bricks:
a) According the made method, it can be divided into burnt brick, unburned brick, and electric smelting brick.
b) According the shape and size, it can be divided into standard brick, general brick and abnormal shape brick.
c) According the content of the Al2O3, it can be divided into fire clay brick and high alumina firebrick.
Production capacity: Our factory actively response to government environmental protection policy, we designed and built the fully automatic controlled high temperature gas tunnel kiln (1700℃), and got capacity of annual output 70,000 tons of high quality refractory products.
Packing details:
★Bricks: Fumigated wooden pallet with log paperboard covered and stainless steel band strapping, the whole outside is wrapped with thermoplastic film. Or carton packaging.
★Wooden pallet size: usually 92*92cm (standard brick)
★Castable: Ton bag with rain film and 25kg bags inside
★Or according to customer’s requirements
Transportation
★Port of dispatch: Tianjin port; Qingdao port
★Delivery time: According to customer’s demand or two sides negotiate
We provide you
★Timely response: Timely response to your inquiry within 24 hours and provide solution.
★Competitive Price: Make the products competitive in your market.
★Free sample: Free sample are offered, trial order are accepted for quality evaluation.
★Strict quality control: We set Quality Management System, from the raw material to finished products, produce high quality products according to chemical & physical specifications strictly to satisfy customers’ needs.
★Fast delivery time: Within 3-30 days according to your quantity after receiving your advance payment.
★ Professional services: Provide pictures from order to delivery. Inspect report by our country’s designated authority and oversea services if necessary.
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Certification: (ISO 9001:2015)
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