Fused Cast AZS 41 Blocks

SNR Brand Fused Cast AZS 41# Blocks

ZrO2>40.5%

Longest Working Lifetime in Glass Furnace

Best performance of anti-corrosion for glass liquid

Best ability of withstanding aggressive enviroment in glass furance

Widely used in melting tank sidewall, Melting Tank corner blocks, throat blocks and other most crucial part of glass furnace

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Description

What are Fused Cast AZS 41# Refractory Blocks?

Fused cast AZS 41# blocks made from a combination of alumina (Al2O3), zirconia (ZrO2), and silica (SiO2) are the highest quality grade of fused cast refractory blocks used in the glass furnace. Fused Cast AZS 41# blocks denotes the percentage of ZrO2≥40.5%. Different Companies may have different indication codes for this quality grade. For example, SEPRO uses ER 1711 for AZS 41#, and REFEL uses 1240 for AZS 41#. With the highest zirconium oxide content, Fused Cast AZS 41# Refractory block is designed to provide best resistance to glass corrosion. Its chemical and physical properties make it be used in the most aggressive area of the glass furnace

Classification and Properties

Fused cast AZS 41# Refractory blocks are normally classified into two quality grades:

AZS 41#ZWS (End Cut Casting) and AZS 41#WS (Void Free)

Fused cast AZS 41# blocks have better resistance to high temperatures and corrosive environments in the glass furnace operation

Applications

Because of fused cast AZS 41# blocks’ better performance to withstand the most corrosive environments in glass furnace, they are normally used in those most crucial areas of glass furnace, like melting tank sidewall, Melting Tank Corner Blocks, Throat Blocks, Barrier Wall Blocks, Electrode Blocks and etc.

Fused Cast AZS 41# Refractory Blocks Assembly

Fused Cast AZS 41# Refractory Blocks Chemical and Physical Datasheet

Item		AZS41
Chemical Composition%	Al₂O₃	≥45.00
	ZrO₂	≥40.50
	SiO₂	≤12.50
	Na₂O+K₂O	≤1.30
Volume density g/cm³		≥4.00
Apparent Porosity %		≤1.2
Cold Crushing Strength Mpa		≥200
Exudation Temperature of Glass Phase		≥1410
Bubble Separation Ratio（1300℃×10h）		≤1.0
Anti-corrosion rate of glass liquid 1500℃×36h （mm/24h）%		≤1.2
Bulk density （g/cm³）	PT(RN RC N)	≥3.80
	ZWS(RR EVF EC ENC)	≥3.95
	QX(RO)	≥3.90
	WS( RT VF EPIC FVP DCL)	≥3.98

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