Alumina Aluminum Oxide Al2O3 Ceramic Rods Shafts with Screws

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Guangzhou
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100 pc
Supply Capability:
1000 pc/month

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Product Description:

 

Product Description

 

This screw rod is made from 99.5% alumina ceramic materials, the use of dry pressing process makes the rod obtain high density and good flexural strength, resulting in better acid corrosion.

On the threaded portion, we use the machining way to make more precise thread size. The thread out of Such processing will get the same accuracy and with metal thread.

We can manufacture products according to your needs, the more common specification is 271mm, below are some of our existing specification.

M6*190, M6*215, M6*247, M6*271, M6*285, M6*296, M8*160, M8*190, M8*215, M8*241, M8*271, M8*285, M8*296

Product Feture


Thermal conductivity
Good strength and hardness
Good resistance to wear and corrosion
Electrical insulation (DC to GHz frequencies)
Temperature resistance up to 1700° C
Mechanical and electrical properties
Resistance to all gases except wet fluorine
Resistance to all common reagents except hydrofluoric acid and phosphoric acid

 

Application

 

Insulators, Insulating Varnish

 

Data Sheet

 

Characteristics

Unit

95 Al2O3

99 Al2O3

ZrO2

GPSi3N4

BN

Glass Ceramic

Crystal Structure

-

hexagonal

hexagonal

tetragonal

hexagonal

hexagonal

-

Color

-

white

ivory

white

gray

white

white

Density

g/cm³

3.65

3.88

5.95

3.22

2.26

2.55

Water Absorption

%

0

0

0

0

0.0-1.0

0

Young's Modulus

Gpa

280

350

205

295

670

65

Vickers Hardness

Gpa

14

20

12

18-20

-

-

Flexural Strength

Mpa

280

300

900

650

51

100

Compressive Strength

Mpa

2000

2500

2200

2200

230

500

Thermal Conductivity 

W/(m•K)

18-25

30

2.2

25

20

1.70

Thermal shock resistance

ΔT(C°)

220

180-200

280-350

450-650

>1500

25-100

Max. Working Temperature 

1500

1700

850

1200

960

800

Volume Resistivity

Ω . cm

>10^15

>10^14

>10^12

>10^14

10^13

10^16

Dielectric Constant

-

9.50

9.80

26

8.20

4.08

6.02

Dielectric Strength

kV/mm

16

22

-

16

375

40
 

 

FAQ

We have organized several common questions for our clients, may help you sincerely

 

--------What is the application of Alumina Ceramic Rod?

It will be used in Insulators, Insulating Varnish

---------What advantages of Alumina Ceramic Rod?

Good strength and hardness
Good resistance to wear and corrosion
Electrical insulation (DC to GHz frequencies)
Temperature resistance up to 1700° C
Mechanical and electrical properties
Resistance to all gases except wet fluorine
 

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Q:What is the difference between ceramic and enamel? Which is more harmless to the human body?
The ceramic clay raw material, barren material and raw material flux through proper proportioning, crushing, molding and high temperature roasting in the case after a series of physical and chemical reaction, the formation of hard materials. More common are: ceramic tea sets, ceramic plates, ceramic bowls, a variety of ceramic living utensils. Multi expression ceramic multifunctional seasoning pot is coated on the metal surface enamel layer or several layers of enamel, by firing a composite material, both physical and chemical reactions and solid combination. The greatest benefit of this is corrosion resistance. Relatively common, such as: enamel pan, enamel, washbasin, etc..
Q:Ceramic pot for a long time, how to clean the dirt?
Very simple, heating water soak overnight, second days just wash. No, just one more night.
Q:Cement, ceramics, glass production, chemical differentiation of raw materials
Cement is mainly silicate, metal oxide, and gypsumThe main component of silica, alumina, potassium oxide and sodium oxide, calcium oxide, ferric oxide, titanium oxide, Magnesium Oxide etc.Glass is also the main component of silica, calcium silicate, sodium silicate and so on
Q:How many kinds of ceramics are there?Such as the title
There are many varieties of ceramic products. The chemical composition, mineral composition, physical properties, and manufacturing methods of ceramics are often close to each other, without obvious boundaries. However, there are great differences in their applications. Therefore, it is difficult to sum up into several systems, and the detailed classifications are different from each other. To this day, there is no unified method of classification in the world. Commonly used are the following two categories from different angles of classification:(I) classification by usage;1, daily-use ceramics: such as tableware, tea sets, jars, altar, pots, cans, plates, plates, bowls, etc..2, art {process} ceramic: flower vase, sculpture, garden, ceramics, furnishings, etc..3. Industrial ceramics: ceramics used in a variety of industries. It is divided into the following 6 aspects:1. Building sanitary ceramics: such as tiles, drainage pipes, tiles, wall tiles, sanitary and so on;Chemical, {chemical} ceramics: acid resistant containers, pipes, towers, pumps, valves, and acid bricks, ash, etc. used in lining reactors for various chemical industries;Electrical porcelain: insulator used in power industry high and low voltage transmission lines. Bushings for motors, insulation for insulators, insulators for low-voltage appliances and lighting, insulators for telecommunications, insulators for radios, etc.;The special ceramic, special ceramic products thrown in various modern industry and advanced science and technology, high alumina ceramic, porcelain, stone magnesium titanium magnesium porcelain stone, Gao YingStone porcelain, porcelain, and lithium ferrite, metal ceramic etc..
Q:Fine ceramics do not break easily?
However, the fragility of ceramic materials - brittleness has not been fundamentally solved. Fine ceramic powder particles is larger, micron (10 m), is still very fragile, a new preparation method of the ceramic powder particle processing to nanometer level (10 m), the ultrafine powder particles to produce ceramic materials, a new generation of nano ceramics, this is the third leap of ceramic materials. Nano ceramics have ductility, and some even appear superplasticity. Such as TiO2 ceramic synthesized at room temperature, it can bend, its plastic deformation of up to 100%, toughness is excellent. Therefore, people hope to develop nano technology to solve the brittleness of ceramic materials. Nano ceramic is called "twenty-first Century ceramics".
Q:What are the advantages and disadvantages of resin crafts and ceramic arts and crafts?
3. disadvantages: expensive ceramic with easy broken and collection and decoration; resin is durable and easy to aging, often should change, cost (but often style). 4. recommend another material - glass fiber reinforced plastic (= resin + glass fiber), durable and durable, cheaper than ceramic. Many city sculptures are made of this material. Insulation, corrosion resistance, high temperature resistance, strong resistance to pressure.
Q:Why do ceramic knives cut onions without hot eyes?
This substance can stimulate corneal nerve endings, the human body through the nervous system the command of lacrimal gland tear secretion, the irritating substances washed away.Cut the onion with a ceramic knife. Because the ceramic knife is very sharp, it can not destroy the food tissue and make the irritating gas less volatile
Q:What material does the ceramic brake pad make of?
Ceramic brake pads subvert the traditional concept of ceramic brake pads, which consist of ceramic fibers, iron free fillers, adhesives, and a small amount of metal.Ceramic brake is a brake, many consumers would mistakenly think that originally made of ceramics, ceramic brake is actually from the metal ceramic rather than the principle of non metal ceramic brake pads, due to the high speed heavy braking, high temperature, on the friction surface according to the determination, can reach 800 to 900 degrees, and some even higher. At this high temperature, the cermet will be sintered on the surface of the brake pad so that the brake pads have good stability at this temperature. While the traditional brake pads at this temperature will not produce sintering reaction, because the surface temperatures will make the surface of material melting and even air cushion, which is caused by continuous brake after the brake performance decreases sharply or total loss of the brake.
Q:Ceramic data
Ceramics are the general name for pottery and porcelain. Chinese back in about 80002000 BC (Neolithic) invented pottery. Ceramic materials are mostly oxides, nitrides, boride and carbide. Common ceramic materials are clay, alumina, kaolin and so on. Ceramic materials generally have higher hardness, but less plasticity. In addition to the use of utensils and decorations, it also plays an important role in the development of science and technology. Ceramic raw materials are the vast resources of the earth, and clay has been hardened. And the nature of the clay with toughness, at room temperature, water, plastic, micro dry can be carved, all dry can be grinding; burning to 700 degrees, can be pottery, can hold water; burning to 1230 degrees is porcelain, can be completely non absorbent, and high temperature, corrosion resistance. The flexibility of its use in today's culture and technology, there are a variety of creative applications
Q:A glass is stuck with a ceramic cup. How can it be separated?
Pour some water into the detergent and pull it out a little later

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