AZS41# is the highest zirconium-dioxide content AZS type fused cast refractory material produced by our company and used in the most exposed part of glass melting furnaces.

Typical Chemical Composition:

ZrO₂………………………………41%

Al₂O₃……………………………Margin

SiO₂………………………………12.5%

Na₂O………………………………≤1.3%

Other………………………………< 2.0%

Physical characteristic:

Bulk density Ib/ft³(g/cm³)………………………………………………≥243（3.90）

(excluding shrinkage cavity)

Apparent porosity %…………………………………………………… ≤1.3

Linear change under load %…………………………………………… < 1

Cold crushing strength psi (kg/cm²)³…………………………49000(3450)

Modulus of Rupture

Cold psi (kg/cm²)³…………………………………………10200 (720)

Hot psi (kg/cm²)⁴…………………………………………… 1120 (79)

Refractoriness under load of 0.2Mpa…………………………………1700℃