Glass furnace bricks fused cast AZS block for furnace hot blast stoves

Specifications

1.passed ISO
2.erosion-resistance to glass metal
3.low pollution
4.Strong glass corrosion resistance

Our company can produce serious specification fused cast 33#,36#,41#AZS block for glass furnace ,and its output is over 5000tons per year. In the enormous working premises—more than 6600square meters, there are one 5tons outside cooling electric arc furnace, high-power transformer, thaw craft with computer control system and internal advanced fused cast refractory umeral caontrol grinding equipments according to its body producing ability.

erosion-resistance to glass metal

Fused Cast AZS are the most widely used materials both in glass contact and superstructure of glass melting furnaces.

 

Physical and chemical index

Item		Behaviors
		AZS-33# ER 1681	AZS-36# ER 1685	AZS-41# ER 1711
Chemical Composition	Al2O3	≥50.00	≥49.00	≥45.00
	ZrO2	≥32.50	≥35.50	≥40.50
	SiO2	≤15.50	≤13.50	≤13.00
	Na2O+K2O	≤1.30	≤1.35	≤1.30
Bulk density g/cm3		≥3.75	≥3.85	≥4.00
Apparent Porosity %		≤1.2	≤1.0	≤1.2
Cold Crushing Strength  Mpa		≥300	≥300	≥300
Exudation Temperature of Glass Phase		≥1400	≥1400	≥1410
Bubble Separation Ratio(1300°C×10h)		≤1.2	≤1.0	≤1.0
Anti-corrosion rate of glass liquid 1500°C×36h (mm/24h)%		≤1.4	≤1.3	≤1.2
Apparent density (g/cm3)	PT(RN RC N)	≥3.50	≥3.50	≥3.70
	ZWS(RR EVF EC ENC)	≥3.65	≥3.70	≥3.90
	WS( RT VF EPIC FVP DCL)	≥3.75	≥3.8	≥4.00