Refractory Block Zirconia Corundum Block for Glass Furnace

Fused cast AZS block is mainly applied to all the melting pool where directly gets in touch with the glass liquid such sidewall, paving of working end, doghouse bricks, super structure, fore hearth, throat, bubbling brick, corner brick, etc.

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Model: AZS-41
Brand: Dezhen
Code: 690220

Product Description

Zirconia Corundum Brick Product Parameters

The parameter of Zirconia corundum brick
Item	AZS-33	AZS-36	AZS-41
Al2O3%	standard	standard	standard
ZrO2%	≥33	≥33	≥41
SiO2%	≤16	≤14	≤13
Fe2O3+TiO2%	≤0.3	≤0.3	≤0.3
Bulk density,g/cm3	3.5-3.6	3.75	3.9
Cold Crushing strength MPa	350	350	350
Thermal expansioncoefficient(1000ºC)	0.80	0.80	0.80
Exudation temperature of glass phase°C	1400	1400	1400
Baddeleyite	32	35	40
Glass phase	21	18	17
α-corundum	47	47	43

Advantages

1. Compact microstructure

2. Good erosion resistibility to molten glass

3. Good thermal shock resistibility, high compression resistance

4. Barely rendering blister

5. A variety of formats and shapes for furnace different working areas

zirconia corundum block glass furnace block refractory block AZS fused cast block