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Fused Cast Zirconium-corundum Bricks

Fused Cast Zirconium-corundum Bricks
Products   Specifications		Fused cast zirconium-corundum block
		AZS-30	AZS-33		AZS-36		AZS-41
			Oxidizing process	Reducing process	Oxidizing process	Reducing process	Oxidizing process	Reducing process
AL2O3% >=		45	margin
ZrO2% >=		30	32.0	32.0	35.0	35.0	40.0	40.0
Na2O% >=			1.5	1.5	1.4	1.4	1.3	1.3
SiO2% <=		17.0	16.0	17.0	13.5	04.5	13	14
Fe2O3+TiO2+CaO+Na2O +K2O+B2O3 %  <=			2.5	3.0	2.5	3.0	2.5	3.0
Temperature for glass phase leaching			1400	1080	1400	1100	1400	1150
Static resistance to glass  melton corrosion (common sodalime glass at 15000C for 36hrs)		The test data should be noted in the quality certificate
Unit volume weight	PT.QX  kg/cm3 >=	3.20	3.40	3.30	3.45	3.40	3.55	3.50
	MS  kg/cm3 >=	3.25	3.50	3.45	3.60	3.55	3.70	3.65
	WS  kg/cm3 >=	3.40	3.60	3.55	3.70	3.65	3.80	3.75

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