Unit

95% Al2O3

99% Al2O3

ZrO2

GP-Si3N4

Color

-

white

ivory

white

gray

Density

g/cm³

3.65

3.88

5.95

3.22

Water Absorption

%

0

0

0

0

Young's Modulus

Gpa

280

350

205

295

Vickers Hardness

Gpa

14

20

12

18-20

Flexural Strength ( at R.T. )

Mpa

280

300

900

650

Compressive Strength ( at R.T. )

Mpa

2000

2500

2200

2200

Thermal Conductivity ( at R.T. )

W/(m.K)

18-25

30

2.2

25

Thermal Shock Resistance

ΔT(°C)

220

180-200

280-350

450-650

Max. Working Temperature ( at R.T. )

°C

1500

1700

850

1200

Volume Resistivity ( at R.T. )

Ω.cm

>10^15

>10^14

>10^12

>10^14

Dielectric Constant  (1 MHz at R.T. )

-

9.50

9.80

26

8.20

Dielectric Strength

kV/mm

16

22

-

16

- Chemical Industry (corrosion protection);

- Apparatus & Mechanical Engineering (wear resistance, insulating properties);

- Avionic & Aerospace Technology (insulating properties, high-temperature stability);

- Forming Technology (wear resistance, hardness, surface properties);

- Microtechnology (insulating properties, corrosion protection, wear resistance);

- Automotive Technology (corrosion protection, insulating properties, wear resistance);

- Testing Methods (insulating properties, wear resistance);

- ......

As a professional company in advanced ceramic industries, UNIPRETEC is manufacturing and supplying high quality and high precision ceramic components for clients from worldwide. Our ceramic products are widely used in various fields of automotive, metallurgy, machinery, electronic & electrical, food, chemical, medical and so on. With experienced engineers and talented workers, we are able to evaluate projects and drawings properly, make valuable suggestion, supply satisfying products. Our materials including:

- Aluminium Oxide ( 95% 96% 99% 99.5% 99.7% Al2O3 )
- Zirconium Oxide ( Yttria stabilized ZrO2 )
- Silicon Nitride ( Gas pressure sintered & Hot pressed Si3N4 )
- Boron Carbide ( B4C )
- Boron Nitride ( Hot pressed BN )
- Machinable Glass Ceramic

Aiming at building long term cooperation relationship with our clients, we set our motto as "Quality First". Far now, our products have been exported to North Amirica, East Europe, West Europe, East Asia, Southeast Asia and get good reputation from our client.