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contact

 

  Contact: Mr. Hu (Sales Manager)

  Mobile (WhatsApp): +86-13938286643  13937189448

  Tel: +86-0371-64376676

  Email: js@jinshirefractory.com

  Add: Xinxiang Road,Shangjie District,

Zhengzhou City,Henan Province,China

Home / Low Porosity Clay Brick
      Low Porosity Clay Brick

      Low porosity clay bricks are made of high quality calcined flint. With the features of high strength, good refractoriness, dense structure, low porosity, excellent thermal shock resistance, no stripping, Low porosity clay bricks are widely used in hot blast stove and glass furnace regenerator.

      Description of Low Porosity Clay Bricks:

       

      Low porosity clay bricks are made of high quality calcined flint. With the features of high strength, good refractoriness, dense structure, low porosity, excellent thermal shock resistance, no stripping, Low porosity clay bricks are widely used in hot blast stove and glass furnace regenerator.

       

      The chemical composition of fire clays are 23-34% Al2O3, 50-60% SiO2 and 6-27% loss on ignition together with various amounts of Fe2O3, CaO, MgO, K2O, Na2O and TiO2. Chemical analyses from two 19th-century sources, shown in table below, are somewhat lower in alumina although a more contemporary source quotes analyses that are closer.

       

      Low-Porosity-Clay-Brick

       

      Low porosity clay bricks take flint clinker as the main raw material with the apparent porosity of 17%. Fire clay bricks take refractory clay and flint clay clinker as the main raw material, containing 30% to 46% alumina with refractoriness 1580 ~ 1770 ℃. It is a weak acid refractory materials with good thermal shock resistance, good corrosion resistance to acidic slag. Low porosity clay bricks are widely used in steel, glass and chemical industries.

       

      Low-porosity-clay-bricks

       

      Low porosity clay brick raw materials: dead burning clay material, dead burning combined clay, Henan white coke gems, which are broken into sizes of 5-3mm, 3-1mm, and 0.088mm with the other six kinds of additives. After made with granules, binder, fine powder, pressed 6-8 times by 260T friction brick mold, made into adobe, drying in the kiln 110 ° C drying 16h, last, tunnel kiln firing brick with water <1% .

       

      With the development of smelting technology, the demand for refractory bricks for molten iron tanks is getting higher and higher, and the ordinary clay tiles used in China's molten steel tanks, serving life are not high, and the dismantling of tanks are time-consuming and laborious. Thus the low porosity clay brick has become the mainstream refractory products.

       

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      low-porosity-clay-brick-delivery

       

      About Us:

       

      Gongyi Jinshi Refractory Co., Ltd. is located in Gongyi which is one of the largest refractory production base in China with rich bauxite resources. Jinshi is a high-tech enterprise specialized in design, development, manufacturing, construction and trade of refractories. Our refractory products are of high quality winning much trust and praise of customers from South Korea, India, Qatar, Indonesia and other countries.

       

      With 3 ultra-high temperature shuttle kiln (15m3, 30m3 and 40m3) and 1 high-temperature tunnel kiln (85m), Jinshi now has 8 series of refractory products, of which middle and high-grade refractories are the main products. We also have the first-class testing equipment, laid the foundation for the company's technical reserves and development.
       
      Users can easily find our refractory products in the fields of metallurgy, glass, building materials, chemicals and electric power. We provide detailed guide and dedicatied service for the new buyers. Your success is from our confidence. Welcome to visit us.

       

      Technical Data:

       

      Product

      DN-12

      DN-15

      Bricks of low iron content, low porosity and low creep rate

      Fused quartz brick

      Al2O3      ≥ %

      45

      45

      45

      -

      Fe2O3      ≤ %

      1.2

      1.5

      1.0

      -

      SiO2        ≥ %

      -

      -

      -

      98

      Refractoriness  ℃ ≥

      1790

      1750

      1790

      -

      Bulk density ≥ g/cm3

      2.3

      2.3

      -

      1.85

      Apparent porosity  ≤ %

      12

      15

      12

      22

      Cold compressive strength  ≥ %

      65

      60

      65

      40

      0.2Mp Load softening temperature T0.6 % ≥ ℃

      1450

      1400

      1480

      -

      Linear change on reheating  ≥ %

      (1450℃×3h)

      +0.1~-0.4

      +0.1~-0.5

      +0.1~-0.2

      -

      Thermal shock stability  ≥  (1100℃ water cooled)

      -

      -

      -

      40

       

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      Over years development, refractories products have increased in varieties, covering mid-end and high-end series. Our refractory products are of high quality winning much trust and praise of customers from South Korea, India, Qatar, Indonesia and other countries.

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