High Compressive Strength Acid Resistant Refractory Brick Fused Silica Brick for Arch and Breast Wall of Glass Furnace

Min.Order: 1
Product origin: Qingdao, Shandong, China
Infringement complaint: complaintComplaint
US$ 200 ~ 260

Description

High compressive strength Acid resistant refractory brick fused silica brick for Arch and breast wall of glass furnace:

Silica brick is with high refractoriness and mechanical behavior under high temperature.
It is the necessary material of high- temperature service, mainly use for coke oven and glass furnace.

ItemsSilica BrickSilica Brick
Coke OvenGlass Furance
Al2O3 %≤1.5≤0.5
Fe2O3 %≤1.5 ≤0.8
SiO2 %≥94.5≥96
K2O+Na2O %CaO≤2.5CaO≤2.5
Refractoriness R ºC≥1650≥1650
Refractoriness under Load KD ºCKD≥1650KD≥1650
Permanent Linear Change % (1450ºC×2h)0~+0.20~+0.2
Apparent Porosity %≤22≤24≤21
Bulk density g/cm3≤2.33≤2.34 ≤2.34
Cold crushing strength Mpa ≥40≥35≥35
0.2MPa creep rate %Residue Quartz ≤1.0%≤1.0%
Thermal Expansivity(1000ºC)≤1.28≤1.30/
ApplicationBottom and WallRegenerator Bottom and WallGlass Furance


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