High Pressure Zirconia Ceramic Nozzle Used in Industry

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Guangzhou
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100 pc
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10000 pc/month

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Product Description:

Product Description

Zirconia Ceramic is an extremely refractory material. It offers chemical and corrosion inertness to temperatures well above the melting point of alumina. The material has low thermal conductivity. It is electrically conductive above 600° C and is used in oxygen sensor cells and as the susceptor (heater) in high temperature induction furnaces. With the attachment of platinum leads, nernst glowers used in spectrometers can be made as a light emitting filament which operates in air.

Properties of High Pressure Zirconia Ceramic Nozzle


(1). Excellent in electrical insulation;
(2). High hardness and wear/corrosion resistance;
(3). High working temperature;
(4). Good thermal shock resistance;


Key Properties of Zirconium Oxide/Zirconia/ZrO2 Ceramic

- Use temperatures up to 1000° C
- High density
- Low thermal conductivity (20% that of alumina)
- Chemical inertness
- Resistance to molten metals
- Ionic electrical conduction
- Wear resistance
- High fracture toughness
- High hardness


Typical Uses of Zirconium Oxide/Zirconia/ZrO2 Ceramic

- Precision ball valve balls and seats
- High density ball and pebble mill grinding media
- Rollers and guides for metal tube forming
- Thread and wire guides
- Hot metal extrusion dies
- Deep well down-hole valves and seats
- Powder compacting dies
- Marine pump seals and shaft guides
- Oxygen sensors
- High temperature induction furnace susceptors
- Fuel cell membranes
- Cutter for textile machine

 

 

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 advantages of Ceramic Nozzle?

(1). Excellent in electrical insulation;
(2). High hardness and wear/corrosion resistance;
(3). High working temperature;
(4). Good thermal shock resistance;

 

--------What is the application of Ceramic Nozzle?

- Precision ball valve balls and seats
- High density ball and pebble mill grinding media
- Rollers and guides for metal tube forming
- Thread and wire guides
- Hot metal extrusion dies
- Deep well down-hole valves and seats
- Powder compacting dies
- Marine pump seals and shaft guides
- Oxygen sensors
- High temperature induction furnace susceptors
- Fuel cell membranes
- Cutter for textile machine

 

 

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Q:What are the characteristics of dry pressed ceramic tiles?
The new standards, surface area greater than 6400 square centimeters, the thickness of not more than 13.5 mm; surface area less than 3600 square centimeters of the thickness of ceramic tiles thickness less than 10 mm; surface area between 3600 to 6400 cm, thickness less than 11 mm.The new standard also raised the technical requirements of extruded ceramic tiles, and further eliminate backward production capacity. The low water absorption extruded ceramic tiles are divided into two types with a water absorption rate of less than 0.5% and between 0.5% and 3%. The extruded ceramic tile with a water absorption ratio between 3% and 10% is eliminated.
Q:What sticks with ceramic cracks and won't leak?
Marble glue。 A large bottle, as long as more than 10 fast, this glue is specially made for stone, ceramic, tailor-made glue. Glued to dry, after breaking can not open.
Q:What happens when ceramic products are fired in a kiln?
Generally requires less than 0.5% moisture into the kiln, kiln temperature is lower than 200 degrees. In the furnace operation, we can adjust the opening of the exhaust exhaust valve, and adjust the small set of first, second burner to solve. The diurnal temperature variation in some areas, the temperature dropped, will crack, because the cold slab kiln, and the internal temperature of the surface to reach consensus, to a certain time, if the kiln head temperature is too high, so that the body of the inner and surface temperature difference is too large, resulting in the surface of the billet body out of the water too fast, too fast to make the surface shrinkage. The internal water body is not easy to diffuse exudation, resulting in large internal stress, make the body burst, so in a timely manner to adjust the kiln head pumping power, or in the glaze line and heating device.
Q:Ceramic full glaze hanging process
A kind of glazed process in order to meet the special needs. It is a glaze process designed to prevent the bottom of the finished product from being glued to the kiln during the glazing process.
Q:Want to use piezoelectric ceramics to produce ultrasonic,
2, you use the signal generator to drive piezoelectric ceramic, in the audio range is able to make sounds, such as 500Hz sound is easier to hear
Q:Are ceramic fibers the same as aluminum silicate fibers?
Aluminum silicate is in accordance with the chemical title, SI, O, AL is its main component; and the main component of ceramic is also the above three components, so the use of ceramic fiber is more user-friendly
Q:What is the specific weight of the ceramic?
The proportion of ordinary ceramics in 2.2 to 2.4, aluminum ceramic in 2.6-3.1, high alumina ceramics in 3.2-3.6, imported ceramics in 3.6--4.0
Q:Is it expensive or expensive to make a work? Twenty
Simply speaking, the glass is expensive, I was in Jingdezhen, a ceramic bottle as long as a mold can, a kiln kiln is 1-2 dollars. Glaze a few cents... Ha ha, if you buy high white mud, then the whole down is also a few dollars... The glass is completely different
Q:Ceramics with excellent products and first-class goods is how divided?
It is the best grade, no concept of honorsBut now the general order is the standard of agreement, so to speakIf you are both first-class and superior, superior is better than grade oneBut the general manufacturers will not be so out of order, inappropriateGenerally superior and qualified productsAt this time superior than first class goods, a little better than qualifiedSo one, two of the bar, qualified, basically three class appearance
Q:Brief introduction of honeycomb ceramics
Honeycomb ceramics can be made from a variety of materials. The main materials are: cordierite, mullite, aluminum titanate, activated carbon, silicon carbide, activated alumina, zirconium oxide, silicon nitride and cordierite, mullite, cordierite, aluminum titanate and other composite matrix. Activated carbon powder or granules made of ceramic honeycomb shape, greatly improve the treatment of water purification and wastewater treatment ability, especially in the pharmaceutical industry, antibiotics, vitamins, hormones and nucleic acid injection of various drugs such as injection, dehydration and decolorization to impurities etc.. Honeycomb ceramic can be divided into four categories: regenerator, filler, catalyst carrier and filter material. Ceramic honeycomb regenerative body heat capacity above 1000kJ/kg products, the highest use temperature more than 1700 DEG C, in heating furnace, heating device, soaking furnace, cracking furnace kiln fuel can be saved more than 40%, the yield increased by more than 15%, the temperature of exhaust gas is lower than 150 DEG C. Honeycomb ceramic filler filler than other shapes of greater surface area, better strength and other advantages, can make the vapor-liquid distribution more uniform, the bed resistance is reduced, the effect is better, and can prolong the service life, in the petrochemical, pharmaceutical and fine chemical industry as a filler effect is quite good.

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