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99 alumina structural ceramics wear-resistant ceramic

  • Very good electrical insulation.
  • Moderate to extremely high mechanical strength.
  • Very high compressive strength.
  • High hardness.
  • Moderate thermal conductivity.
  • High corrosion and wear resistance.
  • Good gliding properties.
  • Low density.
  • Operating temperature without mechanical load 1,000 to 1,700°C.
  • Bioinert and food compatible.
Availability:
Quantity:
  • 01078

  • HaoRui

  • custom01001

 

Overview

Welcome to Shenzhen Haorui Industrial Technology Co., Ltd. We hope our products will interest you!

Shenzhen Haorui Industrial Technology Co., Ltd. was established in June 2006.

It is an enterprise specializing in R&D,manufacturing and sales of engineering ceramics. After Twenty years of development, we have accumulated rich industry experience and trained a group of professional technicians. We have a complete production process and quality management system, as well as a complete set of precision processing equipment and testing equipment.



 Our engineering ceramic products are widely used in precision machinery manufacturing, microelectronics, semiconductors, aerospace, biomedicine, optical fiber communications, testing and inspection, solar photovoltaic and other fields. With the continuous innovation of technology and the continuous expansion of production capacity, we are committed to spreading high-quality engineering ceramics to every corner of the industry, improving human productivity, and contributing our own strength to social development.

 Today, Haorui has more than 1,000 customers worldwide and has cooperated with more than 30 universities and scientific research institutions. We enjoy a high reputation and good reputation in the same industry, and the company's overall strength is in a leading position in the industry.

Product Description

Alumina ceramics are also known as precision ceramics, special ceramics, or high-tech ceramics. It is a ceramic with highly selected raw materials, produced according to a special manufacturing process, which can precisely control the chemical composition and has excellent properties. Currently, alumina ceramics are mainly used in high-tech and cutting-edge industries, such as microelectronics, nuclear reactors, aerospace, magnetic fluid power generation, artificial bone and artificial joints. Alumina ceramics in the manufacturing process.

Main characteristics: high melting point, high hardness, can be made into transparent ceramics, non-toxic, insoluble in water, high strength.

Alumina ceramic parts are widely used in the electronic, electrical, machinery, chemistry, ceramic seal, mineral, new energy, military, aerospace, almost all modern industries.

900X900-WM2    


The main characteristics of the technical ceramic parts
1. They offer different grade dimensional accuracy per sintered only, precision machining 
2. They are more cost-effective ceramic parts with equivalent performance among all other technical ceramics
3.. High hardness, it is can be up to 1700 HV, and Super compressive strength up to 2240 Mpa
3. High heat resistance: Alumina ceramic parts offer excellent thermal stability, which means that it is widely used in areas where resistance to high temperatures is essential.
4. Good wear resistance: it is an ideal  choice  to wear parts in the high abrasive industry
5. High electrical resistivity: used in all-electric products, electric heating products, and wear-resistant machinery parts.
6. High corrosion resistance: It is insoluble in water and only slightly soluble in strong acid and alkaline solutions. Good chemical stability of alumina leads to high corrosion resistance.
7. We support a variety of customized alumina ceramic parts base on customer's drawing, sample, or reference parameters


Packaging & Shipping

Our Services
SHENZHEN HAORUI can offer not only qualified products, we can also supplying quality service including design, development, export and after sales. With our professional skills, advanced technology and quality material, we can design and develop new products or new applications according to the clients' expectation.  We have custom-made new products and promoted the specifications for more than 1000 clients, and we have gotten good reputation from our clients.
FAQ

1. Are you a factory or a trading company?

A:We are a professional manufacturer of ceramic parts. we are factory.

2. Do you only supply standard parts or can customized parts according to our drawing?

A: All parts can be customized according to you drawings and will meeting your requirements perfectly.

3. Can the price be negotiated?

A: Of course, we will consider discounts for large-volume orders.

4: Can you guarantee the product?

A: Yes, we promise to provide quality assurance for all products, inspect according to your drawings and issue an inspection report. If you are not satisfied with our product quality or service, please feel free to give us feedback.

5: Can I visit your factory?

A: Of course, welcome your arrival, please contact us in advance and make an appointment.

6: 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.

7: What is your terms of payment ?

A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.If you have another question, pls feel free to contact us as below:

sales@szhr-tech.com


Aluminia structure ceramics parts


Properties of Alumina material (Al2O3)


Property
Item
95% Al2O3
99% Al2O3
99.8%Al2O3
Unit
Mechanical Characteristics
Color
White
light yellow
Ivory

Bulk Density
3.7
3.85
3.93
g/cm3
Water Absorption
0
0
0
%
Bending Strength
300
310
370
MPa
Compressive Trength
2,300
2,400
2500
MPa
Elastic Modulus
320
340
390
GPa
Fracture Toughness
3~4
3~4
4
MPa m1/2
Weber Coefficient
12
12
12
m
Vickers Hardness
1,400
1,600
1850
HV 0.5
Thermal Characterics
Coefficient of Line Thermal
Expansion
7~8
7~8
7~8
10-6 K-1
Thermal Conductivity
20
29
32
W/mK
Thermal Shock Resistance
(Put in Water)
250
200
280
ΔT °C
Max Working Temperature
1,500
1,600
1700
°C
Electrical Characteristics
Volume Resistance At 20°C
>1014
>1014
>1014
Ωcm
Dielectric Strength
15×106
15×106
15×106
V/m
Dielectric Constant
9
10
10
εr
One MHZ Dielectric Loss Angle
at 20°C
0.0004
0.0002
0.0001
tanδ
Chemical Characteristics
Nitric Acid (60%) 90°C
0.1
0.1
0.05
24H WT Loss mg/cm2
Sulphuric Acid (95%) 95°C
0.3
0.34
0.22
Caustic Soda (30%) 80°C
0.9
0.95
0.04


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Founded in June 2006, Shenzhen Haorui IndustriaI Technology Co.,Ltd. is a professional enterprise engaged in R&D, manufacturing and sales of non-standard industrial ceramics, hard alloys (tungsten steel) and various metal and non-metal precision machinery parts.

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