$Zhengzhou Shengtian Fused Cast Refractory Co., Ltd.$

Electrofusion AZS products

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Electrofusion AZS series

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Product description

Internal quality control criterion for zirconia-corundum refractory bricks
Item		Indicator
Item		AZS33-Y	AZS36-Y	AZS41-Y
Chemical content/%	AL2O3	Allowance
	ZrO2	32.00-36.00	35.00-40.00	40.00-44.00
	SiO2 W	16.00	14.00	13.00
	N&O W	1.45	1.45	1.30
	(FezO'+TiOz+CaO+MgO+NazO+KzO) W	2.00	2.00	2.00
	(Fe2O3+TiO2) W	0.30	0.30	0.30
Bulk density / (g/cm3)		3.75	3.80	3.95
Apparent porosity/% W		1.5	1.00	1.00
Resistance to glass melt rate under static state (ordinary soda-lime glass, 1500° CX36h)/(mm/24h) W		1.60	1.50	1.30
Initial segregation temperature at glass phase/° C N		1400	1400	1400
Bubble rate (ordinary soda-lime glass, 1300° CX10h)/% W		2.00	1.5	1.00
Glass phase seepage (1500° CX4h)/% W		2.00	3.00	3.00
Thermal expansion coefficient (room temperature -1000℃）/% W		Provide measured data
Volume 7kg/m3	PT 、 QX 〉	3400	3450	3550
	ZWS 〉	3600	3700	3850
	WS 〉	3700	3750	3900
a For products with unit weight over 50kg
Appearance (Crack)	Map cracking	Allowable
	Width W1.0	Cracks longer than 1/2 of the face width not allowed
	Width between 1.0 -2.0	Cracks longer than 30mm not allowed
	Crossing-edge cracks	Cracks crossing one edge allowed, crack in length greater than 1/5 of the face width not allowed
Surface attachments or other fused materials		Not allowed
Squareness requirements for products with side length ＜ 500mm shall be determined by the supplier and the buyer through negotiation

AnhuiAnhui33#WS

DezhouJinghua33#WS(02)

DezhouJinghua华41#WS(04)

Guangdong Yufeng33#WS

Guangdong Yufeng36#WS

Guangdong Yufeng41#WS

Hunan Liling02

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