Gold Member Since 2009
Audited Supplier
BEIJING NORTH REFRACTORIES CO., LTD.

Acid Resistant Refractory Bricks, Acid Resistance Brick, Acid Proof Refractory manufacturer / supplier in China, offering Acid Proof Refractory Bricks, Ceramic Stalk for Aluminum Low Pressure Casting, 18mm High Density Fiber Cement Board for Floor and Outdoor Table Top and so on.

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Acid Proof Refractory Bricks

FOB Price: US $0.01 / Piece
Min. Order: 100 Pieces
Min. Order FOB Price
100 Pieces US $0.01/ Piece
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Production Capacity: 20000 Tons/Year
Transport Package: Pallet
Payment Terms: L/C, D/P

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Basic Info
  • Feature: Acid Resistance
  • Shape: Brick
  • Trademark: NR
  • Origin: China
  • Type: Acid Proof
  • Acid Resistance Degree: 99.8%
  • Specification: ISO9001
  • HS Code: 69022000
Product Description

Acid Resistance Brick for Chimney  which is developed for the inner anti-corrosion of chimney , with good acid-resitance , high-temperature resistance and good anti-erosion characters. Mainly used for inner chimney in the electic power and metallurgy industry.Standard and custom shaped refractory bricks for use in corrosive environments, resistant to liquid and gas acids.
 

It is a kind of acid-proof product that takes many mine products with inorganic and nonmetal as raw material, makes of crashing, grinding , classification of the integrated grain separately, And then via molding and shaping by pressing , high temperature burning.Which possesses Good acid resistance ,Low apparent porosity ,Compact texture, well-controlled dimensions.

It is used as working lining for anti erosion and acid proof pickling groove,acid storage tank,leaching tower,anti-erosion and acid proof floor,tubes and etc, Except hydrofluoric acid as the medium in chemical, petroleum, metallurgic, smelt, electric power, fertilizer, fiber, pharmacy, and alkaline system industries.

Applications
The reaction boilers, columns & tanks.
Mixing pools
Acid-resistant walls in non-ferrous metal industry
Acid-resistant structures in chemical industry.
 
Features

High temperature resistant 
Thermal shock resistant
High-resistance to liquid & gas acids

If you would like to know or full product information, please contact us by email  or  send inquiry directly.

Technical Specifications
Bulk Density (g/cm3) 2.21-2.24
Pore Ratio (%) 9.3-10.5
Water Absorption Ration (%) 4.2-4.7
Modulus of Elasticity (mpa) 2138
Compressive Strength (mpa) 123
Acid Resistance Degree (%) 99.8










Item Permitted results
N-1 N-2 N-3 N-4
Water absorbability (A) % 0.2≤A<0.5 0.5≤A<2.0 2.0≤A<4.0 4.0≤A<5.0
Bending strength MPa ≥58.8 ≥39.2 ≥29.4 ≥19.6
Acid-resistance % ≥99.8 ≥99.8 ≥99.8 ≥99.7
Thermal shock resistance 100C 100C 130C 150C
After one test, no crack or scale are allowed
Chemical composition
%
Al2O3 ≥21
SiO2 ≥67
Fe2O3 ≤1.3

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