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Export grade zirconium corundum zirconium corundum price sintered zirconium corundum zirconium corundum

Zirconium corundum is made of alumina and zirconia as raw materials in an electric arc furnace by high temperature smelting above 2000 °C. Zirconium corundum has a tough texture, dense structure, high strength, good thermal stability, and is generally gray-brown. The main mineral phase of zirconium corundum is a cocrystalline formed by a-Al2O3 and Al2O3-ZrO2, and the secondary phase is clinozircon, and a small amount of glass phase exists. According to the content of ZrO2, generally 25 zirconium corundum (ZrO2 25%) and 40 zirconium corundum (ZrO2 40%).

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Export grade zirconium corundum zirconium corundum price sintered zirconium corundum zirconium corundum

Zirconium corundum product introduction

Zirconium corundum is made of alumina and zirconia as raw materials in an electric arc furnace by high temperature smelting above 2000 °C. Zirconium corundum has a tough texture, dense structure, high strength, good thermal stability, and is generally gray-brown. The main mineral phase of zirconium corundum is a cocrystalline formed by a-Al2O3 and Al2O3-ZrO2, and the secondary phase is clinozircon, and a small amount of glass phase exists. According to the content of ZrO2, generally 25 zirconium corundum (ZrO2 25%) and 40 zirconium corundum (ZrO2 40%).

Zirconium corundum indicator

 

Crystal formMonoclinic, tetragonal crystal system
Crystal size≤30μm
Chemical propertiesBisexual
Reacts with acids and basesNo reaction
Reacts with carbon1650when carbides begin to form (when in contact with carbon)
True density4.20g/cm3
Bulk density2.18g/cm3
Mohs hardness9.0
Knoop hardness1450-2000kg/cm2
colorGray, also gray after calcination
melting point1850
Use temperature1600

The difference between 25 content zirconium corundum and 40 content zirconium corundum

1.  40Content zirconium corundum hardness is lower25content, the higher the alumina content, the higher the hardness
2.  40The content of zirconium corundum self-sharpening is better than25Content, suitableCombined cutting sheets, coated abrasives, etc
3.  25Zirconium content corundum is suitable for heavy duty grinding

 

productsAl2O3%ZrO2%TiO2%Fe2O3%SiO2%
ZA2570min24-301.5max0.5max1.0max
ZA4057min35-441.5max0.5max1.0max

 

Zirconium corundumuse

Zirconium corundum is widely used in the steel industry continuous rolling and casting, water nozzle, runner, glass furnace kiln and other refractory materials. Zirconium corundum has good melt erosion resistance, as a high-grade abrasive, it can manufacture high-performance heavy-duty grinding wheels, and has a good grinding effect on steel, iron castings, heat-resistant steel, and various alloy materials.

In addition, zirconium corundum is also a high-grade refractory material, which is an ideal material for making high-performance sliding spouts and immersion nozzles, and can also be used to make zirconium corundum bricks for glass melting furnaces.

About the service

1, Manufacturer supply guarantee

Since the establishment of our factory in 1999, our company has been adhering to the principle of “quality, integrity-based”, stable quality and advantageous price.

2, about invoices

13%VAT special invoice, the invoice amount is 5,000 yuan, and the cumulative invoice is less than 5,000 yuan.

Unified invoice on the 20th of each month, delivered by express delivery within 3 days.

3, About delivery

Domestic:

Express: SF, Yuantong Tiantian Zhongtong, Shentong, Yunda, EMS, etc

Logistics: ANE, Debang, Tiandi, Huayu, Jiaji, etc

Large cargo: distribution truck, special line, complete vehicle, etc

International:

Arrange sea freight, the specific time depends on the distance

4, about payment methods

Payment terms: 100% to delivery

Payment method:

Domestic: Bank transfer (ICBC, ABC, CCB, BOC), ALIPAY, WeChat transfer, etc

国际:T/T,  L/C, west union

5, about samples

1Samples within kg are free of charge, courier fee on delivery; A certain sample fee will be charged for more than 1 kg.

6, about shipping

Delivery within 2 days of receiving payment; If there is any quality problem during receipt or use, it can be returned and exchanged free of charge.

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