High Density Zirconia Block for Glass Melting Furnace

Product Overview

Description

  

Specifications

1.High corrosion resistance
2.Good thermal shock resistance

3.High density 

4.High refractoriness under load 

 

Applications

Zirconia brick is mainly used in upper area of flame space or frequent thermal shock region of alkali-free or low-alkali glass, sodium-calcium glass, boron-silicate glass, lead glass and other technical glass melting furnace.

 

Physical properties and chemical composition

Item	ZS-64	ZS-65	HDZ-68
ZrO2 (%)	62~63	≥65	≥68
SiO2 (%)	≤34	≤33	≤30
Fe2O3(%)	≤0.5	≤0.5	≤0.3
Apparent Porosity (%)	≤20	≤18	≤8
Bulk Density (g/cm3)	≥3.6	≥3.65	≥4.15
Cold Crushing Strength (Mpa)	≥100	≥100	≥200
0.2Mpa Refractoriness Under Load T0.6 °C	≥1630	≥1650	≥1680
Pyrometric Cone Equivalent S.C. SK	40	40	40
Reversible Thermal Expansion 1000°C %	0.5	0.5	0.5

 

 Brief Introduction of Sunrise

Zhengzhou Sunrise Refractory Co., Ltd. is mainly engaged in the production and development of refractory 

 

materials for glass , petrochemistry, metallurgy, construction and nonerrous metal industries. Our main

 

products include fused cast AZS 33, 36,41, fused cast αβ alumina brick, crucibles, furnace fireclay bottom 

 

block, silica, high alumina, magnesia, corundum, chrome, zircon, mullite, zirconia mullite, silicon carbide, 

 

sillimanite, alumina bubble bricks, various insulation bricks, and ceramic fiber products,etc.