Fused Cast AZS 33 Blocks

SNR brand Fused Cast AZS 33# Blocks
ZrO2>32.5%
Stable and Long Lifetime
Good performance of anti-corrosion for glass liquid
Good ability of withstanding aggressive enviroment in glass furance
Widely used in superstructuer, sidewall, bottom paving of glass furnace

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Description

What are Fused Cast AZS 33# Refractory Blocks?

Fused cast AZS 33# blocks made from a combination of alumina (Al2O3), zirconia (ZrO2), and silica (SiO2) are the basic quality grade of fused cast refractory blocks used in the glass furnace. AZS 33# blocks denotes the percentage of ZrO2≥32.5%. Different Companies may have different indication code. For example, SEPRO uses ER 1681 for AZS 33#, and REFEL uses 1532 for AZS 33#. With the lowest zirconium oxide content in the standard fused cast AZS product range, AZS 33# Refractory block is the essential refractory material for glass furnaces. Its chemical and physical properties make it be used in various areas of the glass furnace

Classification and Properties

Fused cast AZS 33# Refractory blocks are normally classified into three quality grades:
AZS 33#PT (normal casting), AZS 33#ZWS (End Cut Casting) and AZS 33#WS (Void Free)

Fused cast AZS 33# blocks are known for their exceptional resistance to high temperatures and corrosive environments in the glass furnace and having a good ability to withstand the thermal shock during glass furnace operation.

Applications

Because of fused cast AZS 33# blocks’ ability to withstand the aggressive environments and thermal shocks in glass furnace operation, Fused Cast AZS 33# Blocks are widely used in the various parts of the glass furnace. AZS 33# PT blocks can be used in breast wall, front wall, burner wall, port area and etc. AZS 33#ZWS and AZS 33# WS blocks can be used as Tank sidewall blocks and Tank bottom paving.

Fused Cast AZS 33# Refractory Blocks Assembly

Fuse Cast AZS 33# Refractory Block Chemical and Physical Datasheet

Item		AZS33
Chemical Composition%	Al₂O₃	≥50.00
	ZrO₂	≥32.50
	SiO₂	≤15.00
	Na₂O+K₂O	≤1.30
Volume density g/cm³		≥3.75
Apparent Porosity %		≤1.2
Cold Crushing Strength Mpa		≥200
Exudation Temperature of Glass Phase		≥1400
Bubble Separation Ratio（1300℃×10h）		≤1.2
Anti-corrosion rate of glass liquid 1500℃×36h （mm/24h）%		≤1.4
Bulk density （g/cm³）	PT(RN RC N)	≥3.45
	ZWS(RR EVF EC ENC)	≥3.65
	QX(RO)	≥3.65
	WS( RT VF EPIC FVP DCL)	≥3.75

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