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High alumina refractory checker brick

 
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Description

Characteristics:
1. High refractoriness.
2. Good spalling resistance and wear resistance.
3. Good corrosion resistance.
4. Good thermal shock resistance.
5. High mechanical strength.
6. High-temperature creep rate is low.

Item

High alumina refractory checker brick

International code name

SK-35

SK-36

SK-37

SK-38

SK-40

AL2O3 %min

48

55

65

75

80

Fe2O3 %max

2

2

2

2

2

Refractoriness  °C, min

1760

1770

1790

1790

1820

Refractoriness under load
 (0.2MPa) °C, min

1420

1450

1500

1520

1530

Linear change on reheating
 (1500°C, 2h)% 

+0.1~ -0.4
*1450°C

+0.1 ~ -0.4

+0.1 ~ -0.4

+0.1 ~ -0.4

+0.1 ~

-0.4

Apparent porosity % max

22

22

23

23

22

Cold crushing strength 
Mpa min

35

40

45

50

55

Bulk Density, g/cm3 min

2.15-2.22

2.25-2.4

2.3-2.5

2.4-2.6

2.5-2.7

Size

 

PROVIDE STANDARD SIZE, SPECIAL SIZE AND OEM SERVICE! 
The size is precise, providing kinds of shapes according to customer's drawing.

Application of High alumina refractory checker brick:

Low creep high alumina checker for hot blast furnace mainly used in the regenerator of the hot blast stove, and the checker bricks are arranged in an orderly manner.

Production Equipment

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.

Testing Testing Testing Testing
Packing Details
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

PackingPackingPackingPacking
Transportation

★Port of dispatch: Tianjin port; Qingdao port

★Delivery time: According to customer’s demand or two sides negotiate

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Our Services

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.

We are here for you!

ServicesServicesServicesServices
Certification:  (ISO 9001:2015)

JUNDAO (HENAN) NEW MATERIALS CO.,LTD.

Inquiry

Please Feel free to give your inquiry in the form below. We will reply you in 24 hours..

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