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Refractory Brick For kiln

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bans233

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Thu Sep 27, 2018 5:54 am

Refractory Brick For kiln

by bans233 » Thu Sep 27, 2018 6:03 am

Silica Brick is fired in high temperature with quartzite as its raw material and adding a little mineralizer. Silica Bricks’ mineral composition includes tridymite, ashlar and vitric formed in high temperature. There are 50~80% quartzose content, 10~30% cristobalite and 5~15% quartz and glass phase content in the better sintering silica brick. Fire brick and refractory brick

Application of Silica Brick
Silica Brick is mainly used to lay coking chamber of coke oven and partition wall of combustor, kiln crown and wall of glass furnace and calcining kiln of silicate product.
Use high dense silica fire brick to lay Large-scale coke oven, which can thin the wall of coking chamber and combustor to improve the production capacity.
Item/IndexQG-0.8QG-1.0QG-1.1QG-1.15QG-1.2
SiO2 %≥88≥91≥91≥91≥91
Bulk Density g/cm3≤0.85≤1.00≤1.10≤1.15≤1.20
Cold Crushing Strength Mpa≥1.0≥2.0≥3.0≥5.0≥5.0
0.2Mpa Refractoriness Under Load T0.6℃≥1400≥1420≥1460≥1500≥1520
Permanent Linear Change On Reheating % 1450℃*2h0~+0.50~+0.50~+0.50~+0.50~+0.5
20~1000℃ Thermal Expansion 10~6/℃1.31.31.31.31.3
Thermal Conductivity (w/m*k) 350℃0.550.550.60.650.7Refractory Brick For kiln
website:http://www.qs-industry.com/refractory-brick/

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