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Zibo Xindi Refractory Material Co., Ltd.

Refractory Brick, Fire Clay Brick, Alumian Brick manufacturer / supplier in China, offering High Alumina Brick Ha-70 Stand High Temperature, Refractory Brick, Ceramic Fiber Board 1260c and so on.

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Supplier Homepage Product Refractory brick High Alumina Brick Ha-70 Stand High Temperature

High Alumina Brick Ha-70 Stand High Temperature

FOB Price: US $300 / Ton
Min. Order: 10 Tons
Min. Order FOB Price
10 Tons US $300/ Ton
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Port: Qingdao, China
Production Capacity: 40000ton/Year
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: HA-70
  • Feature: Long Time Materials
  • Shape: Brick
  • Trademark: XINDI
  • Specification: SGS, ISO9000
  • HS Code: 69022000
  • Refractoriness (℃): 1770< Refractoriness< 2000
  • Type: Refractory Material
  • Material: Alumina Block
  • Transport Package: Wood Pallet
  • Origin: Shandong, Zibo
Product Description
High alumina brick - Technical data
1. Low bulk density, low thermal conductivity, good thermal insulation performance.
2. Refractory category allow direct contact of fire, suitable for various atmosphere
3. Good integrity with furnace lining, long service life, easy operation, could be shaped freely
Typical Applications
1. Furnaces of metallurgy industry, heat treatment furnace
2. Furnaces of chemical industry and construction industry.
3. Furnace of incineration of garbage, recirculating fluidized bed furnace
Standard sizing: 230 x 114 x 65 mm
High Alumina Brick HA-70 (SK-38)
Al2O3 (%)≥70
SIO2 (%)≤22
Fe2O3 (%)≤2.0
Na2O+K2O (%)<2.0
refractoriness under load 0.2mpa(ºC)>1510
Porosity (%)<22
Bulk density(g/cm3)≥2.40
Cold cushing strength (mpa)≥50
Thermal expansion at 1000ºC(%)≤0.3
Reheating shrinkingchange(%) 1500ºCX24h+/-0.3

High Alumina Brick Ha-70 Stand High Temperature  
Tolerance - Technical Instruction for Bricks Sampling
1 - 100 mm: +/- 1 mm;   101 - 200 mm: +/-2 mm;   201 - 300 mm:  +/- 3 mm;
           Equal Dimension Difference: 1 mm Max.;  
Taper: +/- 1 mm Max.
              Warpage: +/- 1 mm Max. ( from diagonal line )
Main defects are showing on the figure. The criteria to accept or reject are as follow:
l  CORNER: a+b+c≤ 30 mm; No more than 2 corners chipped. 90% of the pieces without defects.
l  EDGE: e+f≤ 15 mm; g≤ 35 mm; No more than 2 edges chipped. 90% of the pieces without defects.
l  CRATER: (D1+D2)/2≤10 mm, Depth D ≤5 mm; No more than 2 craters per piece.
-          FACE:  Crack Width < 0.5 mm;  L ≤20 mm; 2 cracks maximum per face. Never face to face crack will be accepted.
-          EDGE:  Crack Width < 0.5 mm;  L1+L2 ≤40 mm; No more than 2 cracks per piece.
l  STAIN:  NOT Allowed. 
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Mr. David zhang
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