Heat-Resistance Al2O3 Setter Plates for Kiln Furniture

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Product Description:

 

Product Description

Refractory ceramic setter plates, high-tech products, are technical supporting parts for the high temperature furnace sintering. With the ceramic setter plates, the sintered products will be heated evenly. That will reduce energy consumption and accelerate sintering speed, improve yields

 

Product Feture:

* High corrosion-resistance.

* High mechanical strength.

* Lower possibility of crack by thermal shock.

* Longer service time

 

Properties of Alumina

Alumina has a high melting point, high hardness and high mechanical strength, although mechanical strength is reduced at temperatures above 1000°C. Due to the relatively large coefficient of thermal expansion, thermal shock resistance is reduced. Alumina is an electrically insulating material, with a high electrical resistivity, increasing with purity.Good chemical stability of alumina, leads to a high corrosion resistance. It is insoluble in water and only slightly soluble in strong acid and alkaline solution.

 

Different Refractory Ceramic Parts

* For electronic magnetic materials

* For positive electrode materials

* For magnetic materials kiln (push plate)

* For fine ceramics sintered

* For MIM stainless steel parts vacuum sintering

* Zirconia coating with (electronic) setter plate

* Cordierite - mullite kiln furniture

* Kiln components and refractory material iron steel

* High-alumina bearing boad

 

 

 

  

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 Setter Plates?

* High corrosion-resistance.

* High mechanical strength.

* Lower possibility of crack by thermal shock.

* Longer service time

 

--------What is the application of Setter Plates?

* For electronic magnetic materials

* For positive electrode materials

* For magnetic materials kiln (push plate)

* For fine ceramics sintered

* For MIM stainless steel parts vacuum sintering

* Zirconia coating with (electronic) setter plate

* Cordierite - mullite kiln furniture

* Kiln components and refractory material iron steel

* High-alumina bearing boad

 

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Q:The difference between China and the big ceramic
China is the only porcelain world invented by the west, was given a high evaluation value. In fact, China's emergence is purely accidental, strictly speaking, is not a very successful imitation and get unexpected results. "Cambridge history" of China China invention is described: the ancient China ceramic has high value in the west, its export history, even can be traced back to two thousand years ago. In Europe, the work of imitation ceramics has never been interrupted, but the real breakthrough is due to the development of Venice's glass industry. Today, it is known that the ceramic is made up of three parts: the enamel layer, the binding layer and the inner clay layer. One of the hardest to copy is the enamel layer. In fifteenth Century, the Venice people invented lead glass, and since then, a lot of experiments have been carried out in this field. It is found that the enamel layer of ceramics is similar to that of glass. Around seventeenth Century, Chinese Jingdezhen porcelain was introduced to Europe, this is a shocking invention, "Tao" China history said: "this kind of porcelain as thin as paper, white jade, bright as a mirror, such as chime sound". The European rule is: "thinner than paper, whiter than milk, and more glass than glass.". Brand can choose Germany only treasure brand, very good.
Q:Is purple pottery made of pottery?
Purple clay produced in nearby Yixing Dingshu hills, there are purple clay, green clay and red clay, three. In the firing process, the surface does not glaze, the natural clay color is precisely its characteristic. Purple clay can be made into pottery pots, pottery bottles, pottery pots, and sculptures, among which the teapot is represented.So it's ceramic
Q:What are the cermet coatings?
Polymer bonded polymerization method, KN17 polymer ceramic coating is applied to anti-corrosion, such as corrosive slurry pipeline.
Q:How to clean ceramic cup of tea?
A cup of coffee, use a little vinegar or lemon slices to wipe the rim, and if the coffee pot, we can put lemon slices, wrapped in the upper part of the coffee pot, add water to the full. The coffee to cook a lemon, let it drop a drop into the bottom of the pot. When the coffee pot is yellow and drop out, this is evidence of citric acid remove coffee stains. In general, the coffee pot can be cleaned out about two times.Peel and saltIf the skin to replace the abrasive cloth, then dipped in salt, and then used to scrub tea, also can achieve good results! If there is no rind, a little vinegar will do the same.Kitchen bleachThe kitchen bleach diluted in the first big pot, then put the cup into the soak one night, the next day with water after cleaning, tea magically clean the rim!
Q:China Cup ceramic cup and what's the difference?
The bone is bone porcelain, the porcelain with a large amount of ash as raw material, Guzhici high whiteness, but more than ordinary ceramic to crisp. Some bone china now has no use for ashes, but other phosphorus containing materials instead of ashes.
Q:What is the difference between Jingdezhen Ceramic Institute and Jingdezhen ceramic university?
I went to college this year! Tao Yuan (formerly three) has a higher diploma than Jingdezhen college! Not to mention the size of the pottery! The gap between the two sides is too large to compare!
Q:What is the difference between ceramic and enamel? Which is more harmless to the human body?
therefore, the composition of the ceramic is not substantially different from the composition of the rock in chemistry. Therefore, it is concluded that the materials themselves do not have any chemicals and are almost harmless to the human body.
Q:What certificate does ceramic export Korea need to do?
3. before export, export declaration, audit documents, inspection of goods, tax, customs clearance.
Q:The difference between ceramic, enamel, porcelain?
Two characteristics of china:1, the appearance of the United States: Porcelain delicate and transparent, elegant and elegant style, the color of the surface is smooth and bright, colorful flowers2 high grade: produced in the UK, has long been a special porcelain of the Royal and noble, is currently the only recognized species of high-grade porcelain, double the value of both use and art, is a symbol of power and status, known as the king of porcelain.Guzhici after high-temperature biscuiting and low temperature glaze firing two times, as high whiteness, good transparency, delicate porcelain, glazed smooth and bright porcelain, known as "paper thin, white jade, bright as a mirror, such as chime sound" reputation. Bone china tableware not only has a colorful appearance, but also has the quality of safeguarding people's health. Bone china is a traditional ceramic raw material added with animal bone powder after firing, the fetus is thin and bright, and has greater toughness. Guzhici endorsement of green ceramic glaze, Bone China is to screen in high temperature melting lit glaze, and the picture is not easy to wear, do not fall off, can be called "health ceramics fully deserve".
Q:What is the difference between pottery and porcelain?
The difference between pottery and porcelain is not that there is no glaze glaze, glaze pottery can have, such as the Han Dynasty glazed enamel (commonly known as: Han and Tang Dynasty colorful glass glaze) (commonly known as: pottery and so on). Porcelain can also be unglazed, such as a white porcelain tire, and because of its fine white texture, no one will regard it as a pottery. In fact, during the period from Shang Dynasty to the Warring States period, the so-called "hard pottery" produced by porcelain stone in southern China had reached the level of porcelain, and the sound of percussion should be in the category of primitive porcelain.The difference between pottery and porcelain is that the use of materials; two firing temperature, the two are indispensable. You can use a variety of pottery clay minerals including clay, production, low sintering temperature, in between 700 and 1000 C, the basic matrix sintering, no water decomposition, but the porosity and water absorption rate is higher. Under the microscope observation of the matrix, there is very little glass phase mullite crystals, in other words, there is no porcelain, knock sound is more boring. While the use of alumina porcelain with high content of clay or kaolin firing. The firing temperature of the porcelain is at least above 1100 DEG C, and the tire is basically vitrified. A large amount of mullite crystals exist, the porosity and water absorption are low, and the sound of knocking is crisp.

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