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Product details

Fire Clay Bricks

Size: 230*114*20/30/40mm

Working Temperature °C: >1350

Application: Masonry blast furnace furnace lining

Description

Clay brick is 50% soft clay and 50% hard clay clinked according to the Granularity requirements of design ingredients,molding,after drying,it calcined at a high temperature of 1300 to 1400 ° C.

Product Characteristics:

  1. Good thermal shock resistance
  2. Low porosity
  3. High refractoriness under load
  4. High refractoriness

Performance parameters:

 

Item  Index
N-1 N-2a N-2b N-3a N-3b N-4 N-5 N-6
Refractoriness  ≥ 1750 1730 1730 1710 1710 1690 1670 1580
Load softening temperature  ≥ 1400 1350   1320   1300    
Rebirth line change rate 1400℃×,2h 0.1 0.1 0.2 0.2        
  -0.4 -0.5 -0.5 -0.5
% ≥ 1350℃×,2h         0.2 0.2 0.2 0.2
  -0.5 -0.5 -0.5 -0.5
Apparent porosity % ≥ 22  24  26  24  26  24  26  28
Crushing strength Kgf/cm 30 25 20 20 15 20 15 15
Thermal shock stability 300 250 200 200 150 2    

Application Areas:

Clay bricks are widely used in metallurgy, building materials, chemical and other industries, is the first selection of thermal equipment permanent lining material.

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