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High Temperature Insulation Alumina Al2o3 Ceramic Machinery Component

  • Price:

    Negotiable

  • minimum:

  • Total supply:

  • Delivery term:

    The date of payment from buyers deliver within days

  • seat:

    Beijing

  • Validity to:

    Long-term effective

  • Last update:

    2020-07-05 11:22

  • Browse the number:

    139

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Company Profile

Shenzhen Jinlongda Ceramic Technology Co., Ltd

By certification [File Integrity]

Contact：jldtc(Mr.)  

Email：

Telephone：

Phone：

Area：Beijing

Address：Beijing

Website：http://www.jldceramics.com/ http://jldtc.binlongsport.com/

Product Details

Alumina (Al2O3) ceramics is an advanced ceramic materials. In addition, it has the advantages of super hardness, high wear-resisting,good corrosion resistance and electric insulation,resistant acid-base,high intensity,thermostable,high temperature tolerance,good insulation,high strength,precision process,high mechanical strength,good chemical stability.

Different product shapes, sizes, complex shapes and precision products require different molding methods. Generally use <1μm micron Al2O3 powder or diamond paste for grinding and polishing. In order to strengthen the alumina ceramics, the technical method adopted is to coat a layer of silicon compound film on the surface of alumina ceramics by electron beam vacuum coating, sputtering vacuum coating or chemical vapor deposition method, and the temperature is 1200℃～1580℃. Heat treatment to temper the alumina ceramics.


Product parameter table

Item

Test the condition

Unit

99 porcelain

95 porcelain

92 porcelain

75 porcelain

Material

-

 -

-

99%Al2O3

95%Al2O3

92%Al2O3

75%Al2O3

Physical property

Density

Normal atmospheric temperature

g/cm3

4.02

3.7

3.4-3.7

3.2-3.4

Water Absorption

Normal atmospheric temperature

%

0

0

<0.5

<1

Refractoriness

-

°C

1750

1650

1580

1360

Mechanical performance

Rockwell hardness

Normal atmospheric temperature

Mohs

12

10

12

10

Flexural Strength

Normal atmospheric temperature

Mpa

330

300

290

380

Compression strength

Normal atmospheric temperature

Mpa

2800-3000

2500-2800

2500

2000

Hot performance

Maximum Use Temperature

-

°C

1700

1500

1500

1300

Heat resistant shaking

20O°C-1100O°C

10Num

Pass

Pass

Pass

Pass

Thermal Expansion Coefficient

20O°C-80O°C

×10-6mm/°C

6.4-8.2

5.5-7.5

7.0-7.6

7.3

Heat-conduction rate

25°C

300°C

W/m.k

31.4

21.8

15-20

6-7

W/m.k

15.9

12.6


FAQ

Q1: The quality of how?

A: We insist on providing quality products to our customers.

Q2: 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.

Q3: 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.

Q4: What is your terms of payment?

A: Payment<=1000USD, 100% in advance. Payment>=3000USD, 50% T/T in advance, balance before shippment.

Q5: Can I visit you?

A: Sure. If you're a volume buyer and would like to visit our in-house products and production line, please contact us to make an appointment.

http://www.jldceramics.com/