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Zirconium corundum manufacturers supply ZA40 abrasive, 40 zirconium 40 mesh 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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Supply heavy duty grinding wheel abrasive ZA25 high toughness 10 mesh zirconium corundum abrasive

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. The hardness of 40 content zirconium corundum is lower than 25 content, the higher the alumina content is , the higher the hardness is Corundum for heavy duty grinding

productAl2O3%ZrO2%TiO2%Fe2O3%SiO2%
ZA2570min24-301.5max0.5max1.0max
ZA4057min35-441.5max0.5max1.0max

Zirconia corundum use

Zirconium corundum is widely used in the production and manufacture of refractory materials such as continuous rolling and continuous casting, nozzles, runners, and glass furnaces in the iron and steel industry. Zirconium corundum has good resistance to melt erosion. As a high-grade abrasive, it can manufacture high-performance heavy-duty grinding wheels. It has a good grinding effect on steel parts, cast iron parts, heat-resistant steel, and various alloy materials.

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

about service

1. Manufacturer’s supply guarantee

Our company has been adhering to the principle of “quality first, honesty first” since its establishment in 1999, with stable quality and competitive price.

2. About the invoice

13% value-added tax special invoices, the billing amount is 5,000 yuan, and the cumulative billing amount is less than 5,000 yuan.

Invoices will be billed on the 20th of each month, and will be sent by express within 3 days.

3. About delivery

domestic:

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

Logistics: Aneng Debon Tiandi Huayu Jiaji, etc.

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

internationality:

Arrange sea transportation, the specific time depends on the distance

4. About the payment method

Payment terms: 100% payment upon delivery

payment method:

Domestic: bank transfer (ICBC, ABC, CCB, BOCOM), Alipay, WeChat transfer, etc.

International: 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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