Description

AZS*3# refractories are particularly superior in preventing contamination of molten glass. They have low potential for stroning, blistering and exudation of the matrix glass. Typical Chemical Composition ZrO2………………………………*3% Al2O3……………………………Margin SiO2………………………………*5.5% Na2O………………………………&#***4;1.5% Other ………………………………<2.0% Physical characteristic Bulk density Ib/ft3(g/cm3)………………………………&#***5;**1&#****8;3.*0&#****9; (excluding shrinkage cavity) Apparent porosity %………………………………………………&#***4;2.0 Linear change under load %……………………………………………0 Cold crushing strength psi (kg/cm2)3 …………………****0&#****8;***0&#****9; Modulus of Rupture Cold psi (kg/cm2)3……………………………………… ***0 (**0) Hot psi (kg/cm2)4……………………………………………**0 (*5) Refractoriness under load of 0.2Mpa ……………………………***0&#***1; AZS*6#disigned for heavy wear superstructure applications, it has a very low exudation rate and high resistance to alkaline attacks, carry-over and creep. Typical Chemical Composition: ZrO2………………………………*6% Al2O3……………………………Margin SiO2………………………………*3.5% Na2O………………………………&#***4;1.6% Other………………………………< 2.0% Physical characteristic: Bulk density Ib/ft3(g/cm3)…………………………………………&#***5;**4&#****8;3.*5&#****9; (excluding shrinkage cavity) Apparent porosity %…………………………………………………&#***4;1.5 Linear change under load %…………………………………………< 1.0 Cold crushing strength psi(kg/cm2)3…………………………………****0&#****8;***0&#****9; Modulus of Rupture Cold psi (kg/cm2)3……………………………………… ***0 (**5) Hot psi (kg/cm2)4……………………………………………**0 (*0) Refractoriness under load of 0.2Mpa………………………………***0&#***1; AZS*1# 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………………………………*1% Al2O3……………………………Margin SiO2………………………………*2.5% Na2O………………………………&#***4;1.3% Other………………………………< 2.0% Physical characteristic: Bulk density Ib/ft3(g/cm3)………………………………………………&#***5;**3&#****8;3.*0&#****9; (excluding shrinkage cavity) Apparent porosity %…………………………………………………… &#***4;1.3