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china manufacturer supplier Refractory fire clay fire bricks for boiler Kiln Industry
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Meo Machinery Co.LTD
China - Hangzhou
Manufacturing and trade
Trade Capacity
Export Percentage
0-30%
Nearest Port
Shanghai
Accepted Delivery Terms
Employees
501-1000 people
Accepted Payment Currency
USD,EUR,JPY
Average Lead Time
90 Day(s)
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Product Specifications
--Product Description
china manufacturer supplier Refractory fire clay fire bricks for boiler Kiln Industry
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 Gas furnace
•Glass industry
•Cement industry
•Safety lining of ladle
•Backup lining of boiler
Product Description
Note:Special-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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