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[China]
Trade Verify
Address: 10th & 11th Floors, No.6 Building, Central China Electronic Commerce Port, Daxue Road, Erqi District, ZhengZhou City, Henan Province, China
Contact name:Pika
Zhengzhou Rongsheng Refractory Co., Ltd. |
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Verified Suppliers
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Azs Zircon Corundum Insulation Bricks Refractory Brick With Heavy Duty
Quick Detail:
♦ Compact microstructure
♦ Good erosion resistibility to molten glass
♦ Good thermal shock resistibility
♦ Barely rendering blister
Applications:
Corundum mullite Brick is mainly used for side walls of flame furnaces with embedded melter bottoms, for total security with average pulls and campaign lengths, and superstructures, front wall, back wall, top crown in glass melting furnace.
Specifications:
chemical composition | AZS-33 | AZS-36 | AZS-41 |
ZrO2 | ≥33 | ≥35 | ≥40 |
SiO2 | ≤16.0 | ≤14 | ≤13.0 |
Al2O3 | a little | a little | a little |
Na2O | ≤1.5 | ≤1.6 | ≤1.3 |
Fe2O3+TiO2 | ≤0.3 | ≤0.3 | ≤0.3 |
Physical Properties
bulk density(g/cm3): | 3.5-3.6 | 3.75 | 3.90 | |
cold crushing Mpa | 350 | 350 | 350 | |
thermal expansion coefficient (1000°C) | 0.80 | 0.80 | 0.80 | |
exudation temp. of glass phase | 1400 | 1400 | 1400 | |
corrocion resistance of glass melt(mm/24h) | 1.6 | 1.5 | 1.3 | |
Density | PT QX | 3.40 | 3.45 | 3.55 |
WS ZWS | 3.60 | 3.70 | 3.8 | |
phase composition(%)
baddeleyite | 32 | 35 | 40 |
glass phase | 21 | 18 | 17 |
α- corundum | 47 | 47 | 43 |
