Magnesia Alumina Spinal Compound Refractory Brick

Product Details
Customization: Available
Refractoriness (℃): 1770< Refractoriness< 2000
Feature: Long Time Materials
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Number of Employees
186
Year of Establishment
2002-04-01
  • Magnesia Alumina Spinal Compound Refractory Brick
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Basic Info.

Model NO.
MLJ85FH
Shape
Brick
Transport Package
Export Wooden Pallet
Trademark
Nie
Origin
China

Product Description

Product Description
Luzhong Magnesia Alumina Spinel Compound Bricks are new developed chrome-free refractories for Cement Rotary Kilns, with excellent performance,our products have been wide used in the domestic and overseas cement projects.
 
Characteristics:
  1.Excellent resistance to chemical attack
  2.Excellent thermal-shock resistance
  3.Excellent abrasion resistance
  4.Low thermal conductivity (230-280ºC)
  5.Reducing the load and mechanical stress to the shell body

Application zone: Transition zone of cement rotary kiln.

Raw Material:
1.Synthetic Light-weighted magnesia spinel,
2. Alumina-magnesia spinel

Physical and chemical index
       Chemical composition Unit Working layer Insulating Layer
                         MgO % ≥85 ≥60
Al2O3 % ≥10  
 
Physical properties Working layer Insulating Layer
Bulk Density BD     g/cm3 2.90-3.05 2.6-2.7
Apparent Porosity AP % 17 24
Thermal Shock Resistance TSR - in air at 950 °C cycle ≥100 /
Refractoriness Under Load RUL (ta) °C ≥1700 ≥1600
Thermal Expansion TE -at 1000 °C % 1.3 1.1
Cold Crushing Strength CCS MPa ≥40 ≥35
Thermal Conductivity TC - at 700 °C W/mK 3.8                 2.6
   
Company Introduction
Luzhong Refractories
A comprehensive refractory service company integrating refractory research, raw material processing, thermotechnical kiln refractory designing, production, sales and service with an annual capacity of over 300,000 tons and currently having the following:
  • National research institute: National and Local Joint Refractory Engineering Research Centre;
  • Refractory base: Zibo Luzhong Refractories Co., Ltd., Xinjiang Tianshan Mountains Refractories Co., Ltd.;
  • Special industrial ceramic base: Shandong Shengchuan Ceramics Co., Ltd., Ningxia Shengchuan New Material Co., Ltd.
  • New materials base: Shandong Shengchuan New Material Science and Technology Inc.
  • Raw material base: Yangquan Luzhong Refractories Co., Ltd., Zibo Langfeng High Temperature Material Co., Ltd.;

 
 
 
 

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