Low Thermal Conductivity Anti-Spalling Refractory Brick

Product Details
Customization: Available
Feature: Low Thermal Conductivity, Long Time Materials
Refractoriness (℃): 1770< Refractoriness< 2000
Gold Member Since 2017

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Number of Employees
186
Year of Establishment
2002-04-01
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Basic Info.

Model NO.
DDR50
Type
Refractory Material
Material
Flint Clay, Synthetic Material
Transport Package
Export Wooden Pallet
Trademark
Nie
Origin
China

Product Description

Product Description
Low thermal conductivity of Anti-spalling Brick is one high quality refractory brick for Cement Rotary Kilns,made of Mullite, Synthetic material, Clay.

Characteristics:
1.Outstanding resistance to alkali attack
2.Excellent thermal-shock resistance
3.Outstanding abrasion resistance
4.Low thermal conductivity (230-280ºC)
5.Decreasing the kiln shell load, the mechanical stress on the lining
 
Application zone:
Calcining furnace, high temperature zone of kiln inlet, tertiary air duct, precalcining zone of cement rotary kiln.
 
Physical and chemical index
chemical composition UNIT SPEC typical
Al2O3 % ≤55 51~55
SiO2 %   38~42
Fe2O3 % ≤1.5 1.5
 
physical properties UNIT SPEC typical
Bulk Density BD g/cm3 ≤2.4 2.25~2.35
Apparent Porosity AP %   17
Thermal Shock Resistance TSR - in water at 1100 °C cycle ≥10 10
Refractoriness Under Load RUL (ta) °C ≥1500 1500
Thermal Expansion TE - at 1000 °C %   0.7
Cold Crushing Strength CCS MPa ≥80 80
Thermal Conductivity TC - at 700 °C W/mK ≤1.8 1.8
Alkali Resistance 1100 °C*5h   First grade

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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