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 Standard Size High Quality Fire Clay Bricks

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R E V I S I O N E     D E L L A     D I S C U S S I O N E
bosuxojupa Inviata - 20/02/2024 : 15:11:31

Fire clay brick is one of the commonly used refractory bricks in industrial kilns. It belongs to a main variety of silica-alumina series products, is made of clay clinker as aggregate, refractory clay as binder made of Al2O3 content of 30-48% refractory products. The refractoriness of this brick is between 1580~1770℃. There are mainly ordinary clay bricks, multi-clinker clay bricks, low creep clay bricks, low porosity clay bricks, large clay bricks for glass kilns, etc.

On the basis of producing general clay bricks, the clay bricks produced by Huanya Refractory Material Factory adopt high quality homogenizing material as the main raw material, add an appropriate amount of auxiliary materials and some additives, and after fine grinding, mixing, high pressure molding, change into mullite crystal phase at appropriate sintering temperature, and the residual products have good mineral composition.

Thus, the product has high refractoriness, dense volume density, low porosity, excellent creep performance at high temperature and good volume stability.


Physical & Chemical Indicators:

1. Chemical composition: the main component of the product determines the quality and characteristics of the refractory;

2. Bulk density: the unit volume is large, indicating that the fineness is good, the strength may be high, but the thermal conductivity may be large;

3. Apparent porosity: although there is no strict requirement for apparent porosity, each manufacturer must strictly control the apparent porosity;

4. Load softening temperature: also known as high temperature load initial deformation temperature, indicating the resistance of refractory bricks to high temperature;

5. Thermal shock resistance: the ability to resist sharp changes in temperature without being damaged;

6. Flexural strength: the ability to withstand shear pressure;

7. Linear change rate: also called reburned line change or residual line change, which refers to the change of each time at an equal temperature.



1. Standard clay bricks. Standard size is 230mm*114mm*65mm.

2. Ordinary clay bricks. Those with one of the following classification characteristics are ordinary clay bricks:

① The mass is 2-8kg;

② Thickness dimension is 55-75mm;

③ No more than 4 measuring rulers;

④ Size-to-size ratio not greater than 4;

⑤ Without concave corners, arcs, grooves, rounds, holes, holes and acute angles ≤ 75°.

3. Special-shaped clay bricks. Those with one of the following classification characteristics are special-shaped clay bricks:

① The mass is 2-15kg;

② Thickness dimension is 45-95mm;

③ Size-to-size ratio not greater than 6;

④ The total number of arcs and concave angles is not more than 2;

⑤ The total number of ditches and houses is not more than 4;

⑥ An acute angle >50° and ≤75°;

⑦ Without holes.

4. Special clay bricks. One of the following classification characteristics is a special type clay brick:

① The mass is 15-30kg;

② The thickness dimension is 35-135mm, and the length dimension of the tubular brick is not more than 300mm;

③ Size-to-size ratio not greater than 8;

④ The total number of arcs and concave angles is not more than 4;

⑤ The total number of ditches and houses is not more than 8;

⑥ An acute angle of 30°-50°;

⑦ Not more than 1 hole.



Fire clay brick is more widely used than any other refractory bricks because of its abundance of raw materials, ease of processing and low cost. It can be used in blast furnace, hot blast furnace, cupola, high steel barrel and pouring steel system, soaking furnace, heating furnace, non-ferrous metal melting furnace, silicate industry and chemical industry kiln and all thermal equipment chimney and flue, etc.SK35 alumina bricks-application area3


1. Package:

① Packed in a 100cm*100cm fumigated wooden pallet with a waterproof plastic film cover, and tightened with plastic bandages.

② We can also pack the goods according to your requirements.

2. Transportation:

① FEDEX/DHL/UPS/TNT for samples.

② By Sea for batch goods.

③ Customers specifying freight forwarders or negotiable shipping methods.

④ Delivery Time: 3 days for common shape samples; 15 days for special shape samples; Within 30 days for batch goods.



Q1: Which payment term can you accept?

A1: T/T, L/C, Western Union, MoneyGram, PayPal are available for us.

Q2: Does your company accept customization?

A2: We have own factory and excellent technical team, and we accept OEM service.

Q3: How about your company's certification?

A3: ISO9001 and Test Report, we could also apply other necessary certification.

Q4: How to slove the quality problems?

A4: If the products are not confirmed to customer samples or have quality problems, our company will be responsible to make compensation for it.

Q5: Can you offer samples?

A5: Of course, we can supply samples for free, but freight will be undertaken by buyers.


Hot Tags: standard size high quality fire clay bricks, China, manufacturers, factory, customized, wholesale, low price, in stock, free sample, Birdge Clay Brick, KNIFE SHAPE HIGH QUALITY CLAY BRICK, AXE SHAPE CLAY BRICK, Crucible Furnace Cover Brick, Clay Round Firebrick, Clay Stove Cover Brick

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