wearable zirconium oxide doceram Keramikrohr sleeve bushing

wearable zirconium oxide doceram Keramikrohr sleeve bushing

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Zirconia Ceramics:

Zirconia ceramic sleeve is a common ceramic product, in which zirconia is its main component. The most abundant metal element in the crust of zirconia ceramics is 8.3%. It mainly exists as aluminosilicate ore, as well as bauxite and cryolite. Alumina is a white amorphous powder with many variants, among which the most familiar ones are α-Al₂O₃ and β-Al₂O₃. The corundum that exists in nature belongs to α-Al₂O₃. Its hardness is second only to diamond, and it has a high melting point and is resistant to acids and alkalis. It is often used to make bearings, abrasives, and refractory materials. Such as corundum crucible, can withstand high temperature of 1800℃. Al₂O₃ has many colors due to different impurities. For example, those containing a small amount of Cr(III) are red, called rubies; those containing Fe(II), Fe(III) or Ti(IV) are called sapphires. Zirconia is a light metal with chemical symbol of Al and atomic number: 13. The content of aluminum in the earth's crust is second only to oxygen and silicon, ranking third. It is the most abundant metal element in the earth's crust, and its reserves rank second among metals. Among metal varieties, it is second only to steel and is the second largest category of metals. Aluminum is a lively metal. A dense oxide film with a thickness of about 50 angstroms (1 angstrom = 0.1 nanometers) is immediately formed on the surface of aluminum in dry air, so that aluminum will not be further oxidized and resistant to water; however, it is very easy to mix aluminum powder with air. Combustion; molten aluminum can react violently with water; aluminum is amphoteric, very soluble in strong alkalis, and also soluble in dilute acids. According to the reducibility of aluminum, it can be inferred that aluminum can react with water. However, experiments have found that there is almost no reaction between aluminum and boiling water. However, aluminum can react significantly with water vapor under heating, but it will react with oxygen in the water at the beginning of the reaction. The dense oxide film prevents the reaction from proceeding further.

Data Sheet↓

Compressive Strength(20°C): 2000Mpa

Modulus of Elasticity(20°C): ＞200Gpa

Application industry:

Machinery, fiber optic, knife, medical, food, petroleum etc.

Specific application:

plunger, ceramic shaft, fiber optic bushing, stub, grinding, ceramic knife, ceramic slide guide, machined plunger, mobile phone shell, watch case, haircut razor blade etc.

7.MOQ is not limited, small quantity is welcome.

8.Vigorous team and good after-sales service

FAQ

Q: Are you trading company or manufacturer ?
A: We are factory.
 
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-30 days if the goods are not in stock, it is according to quantity.
 
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What is your terms of payment ?

A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 50% T/T in advance ,balance before shippment.