Silica-mullite brick

Wear resistant refractory brick for cement kiln

Composition: Al2O3>=60%~68% Refractoriness: 1790℃

Color: brown yellow

Type: 320, 620, P+20, P 20

Raw material: bauxite+SiC

Max working temp: 1680℃

Application:transition zone 

Capacity: 150tons/day

Package: wooden pallet

Product Overview

Silica mullite brick is made of sintered bauxite and high dense SiC silicon carbide by process of  pressing and firing at high temperature .

Silica-mullite bricks are characterized by good performance of thermal shock resistance, better wear-resistance and spalling resistance. It’s a good choice for cement kiln and applied in transition zone, cooling zone and outlet.

Classification: GM-1550 1650 1680

Application

High quality silicon mullite brick is the best refractory material for large cement kiln

  • transition zone
  • calcining zone
  • cooling zone

Specification

  Product AZM-1550 AZM-1650 AZM-1680
Index   Index Index Index
chemical composition SiC+SiO2 ≥28 ≥30 ≥30
Al2O3 ≥60 ≥65 ≥65
Bulk Density(g/cm3) ≥2.50 ≥2.60 ≥2.65
Apparent Porosity (%) ≤20 ≤19 ≤19
Cold Crushing Strength(Mpa) ≥80 ≥85 ≥90
Refractoriness Under Load ≥1550 ≥1650 ≥1680
Thermal Shock Resistance ≥10 ≥10 ≥12
Wear Coefficient (cc) 8.5 8.2 7.8

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