AZS Fused Cast Blocks
AZS Fused Cast Blocks
|Min. order:||1 Pieces|
|Trade Terms:||FOB, CFR, EXW, CIF, FAS, DDP, DAP, CIP, CPT, FCA|
|Payment Terms:||L/C, T/T, Western Union|
|Price Valid Time:||From Feb 21, 2013 To May 21, 2013|
|Model NO.:||AZS 33 AZS 41|
|Feature:||Long Time Materials|
|Refractoriness (℃):||1770< Refractoriness< 2000|
|Application:||Glass Furnace, Frit Kilns, Skid Rails|
|Export Markets:||North America, South America, Eastern Europe, Southeast Asia, Africa, Mid East, Eastern Asia, Western Europe|
|Production Capacity:||15 000 MT/Year|
|Company:||Zhengzhou Dongfang Ancai Refractory Co., Ltd.|
Fused Cast AZS are the most widely used materials in glass melting furnaces, frit kilns and occasionally some foundry plants(skid rails of reheating furnace). They can be classified by their zirconia content, which basically defines their corrosion resistance, into 3 families: AZS 33, AZS36 &AZS 41
AZS 33: The compact microstructure of AZS 33 enables it to have very good corrosion resistance to molten glass. It very rearely results in stoning and has very limited chances to cause blistering and othe defects to glass, so AZS 33 is the most common product used in the glass furnace.
AZS 36: Despite of the similar eutectic crystal as AZS 33, AZS 36 has more free baddeleyite crystals in chain structure and less vitreous phase, which further improve the corrosion resistibility and reduce the potential defects in glass, so it is recommended to be used in sections where glass flow is faster and temperature is higher, such as melter sidewall, paving, doghouse, etc.
AZS 41: AZS 41 has the most free baddeleyite crystals among the fused cast AZS families, which are evenly distgributed within the block. Its corrosion resistibility is the best and thus it is usually recommended to be used in the most demanding positions to balance the furnace life.
|Typical Chemical Composition|
|Item||Unit||AZS 33||AZS 41|
|typical Mineral composition|
|AZS 33 WS||AZS 41 WS|
|Minimum Bulk density guranateed||g/c.m 3||3.84||4.1|
|Melting glass erosion resisiting speed at static state(normal soda-lime glass, 1500 o C*36h)||Max.||Mm/24h||1.6||1.3|
|Temprerature of glass leaching||Min.||o C||1400||1400|
|Bubble separation ratio (normal soda-lime glass, 1300 o C*36h)||Max.||%||2||1|
|Exudation (Volume %) (1300 o C*36h)||Max.||%||3||3|
|Unit volume Min.||RC||g/cm 3||3.4|
|Cold crushing strength||Min.||kg/cm2||2000||2000|
|refractoriness under load o C||Min.||o C||1700|
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