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Curved Alumina Clay Flint Fire Resistant Bricks
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US$ 0.13
≥10000 Kilograms
Quick Details
SiO2 Content (%):
57.8
Al2O3 Content (%):
36.2
MgO Content (%):
/
CaO Content (%):
0.5
Product Details
Curved Alumina Clay Flint Fire Resistant Bricks
LONGKETER supplying a comprehensive range of CLAY FIREBRICKS.Alumina content in approximate 28-45% are classified to CLAY FIREBRICKS
The main application for CLAY FIREBRICKS are listed below :
• Furnace construction
• Blast furnace/Hot blast stove
• Steel foundries
• Furnace in the nonferrous metal industry
• Coke oven and G as furnace
• G lass industry
• C ement industry
• Safety lining of ladle
• Backup lining of boiler
Product Description
Note:S pecial-shaped Clay Firebrick is more expensive than commom square or rectangle ones.
Clay Firebrick Product Data
| Material | Common | Special | |||||||||
| Blast furnace | Hot blast stove | Glass Furnace | |||||||||
| Item | SK32 | SK34 | ZGN-42 | GN-42 | RN-42 | RN-40 | RN-36 | BN-40a | BN-40b | ||
|
Pyrometric Cone Equivalent Orton cone |
31-32 | 33-34 | – | – | – | – | – | – | – | ||
| Refractoriness (°C) | 1715 | 1760 | 1760 | 1760 | 1760 | 1740 | 1700 | – | – | ||
| Bulk Density (kg/m3) | 2100-2200 | 2200-2250 | 2200 | 2200 | 2200 | 2200 | 2150 | 2250 | 2250 | ||
| Apparent Porosity (%) | 22-24 | 18-20 | ≤15 | ≤16 | ≤24 | ≤24 | ≤25 | ≤18 | ≤18 | ||
| Cold Crushing Strength (MPa) | 22-32 | 30-35 | ≥58.8 | ≥49.0 | ≥29.4 | ≥24.5 | ≥19.6 | ≥49.0 | ≥34.3 | ||
| Modulus of Rupture (kg/cm2) | 55-70 | 60-80 | – | – | – | – | – | – | – | ||
|
Reheat test, permanent linear change after heating at |
(1350°C%,3h) | – | – | – | – | – | 0~-3 | 0~-0.5 | |||
| (1400°C%,2h) | – | – | – | – | – | – | – | 0~-0.4 | 0~-0.4 | ||
| (1450°C%,3h) | – | – | 0~-2 | 0~-3 | 0~-0.4 | – | – | – | – | ||
| (1400°C%) | 0.0-0.2 | -0.18 | – | – | – | – | – | – | – | ||
| 0.2 MPa soft under load (%) | – | – | ≥1450 | ≥1430 | ≥1400 | ≥1350 | ≥1300 | ≥1450 | ≥1400 | ||
| SiO2 (%) | 57.8 | 52.4 | – | – | – | – | – | – | – | ||
| Al2O3 (%) | 36.2 | 42.1 | ≥42 | ≥42 | ≥42 | ≥40 | ≥36 | ≥40 | ≥40 | ||
| Fe2O3 (%) | 2 | 1.4 | ≤1.7 | ≤1.7 | – | – | – | ≤1.5 | ≤1.5 | ||
| Cao (%) | 0.5 | 0.4 | – | – | – | – | – | – | – | ||
| Na2O+K2O+Li2O (%) | 0.5 | 0.5 | – | – | – | – | – | – | – | ||
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