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Ceramic Roller For Three Roll Mill
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Ceramic Roller For Three Roll Mill

Ceramic Roller For Three Roll Mill

Material : Al2O3, SiC, Si3N4 ZrO2
Mohs Hardness : 8 - 9
Density : 3.80-6.00 g/cm3
Colour : White, Ivory, Black
Max. Use Temp. : 600-1,600 ℃
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Product Introduction

Ceramic Rollers For Lab Three Roll Mill


Advanced ceramics' exceptional hardness and corrosion resistance make them ideal for manufacturing the Ceramic Roller, the central component of a three-roll mill. The triple roll mill grinder is an efficient way of grinding and dispersing materials with a high viscosity. It is mostly used to grind paints, inks, pigments, plastics, cosmetics, soap, ceramics, and rubber, as well as other liquid slurries and paste-like materials. It is particularly well suited for grinding dispersion goods with a high viscosity and a small particle size, as well as materials that are difficult to circulate or do not withstand circulation in a sand mill.


Technical ceramics have a Mohs hardness of approximately 8.0-9.0, making them second only to diamond in terms of hardness and much harder than stainless steel. In comparison, 316L stainless steel has a hardness of just 5.0-6.0. As a result, ceramic rolls are very durable and can tolerate greater labor intensities, thus shortening the maintenance cycle of three roll mill machines. On the other hand, advanced ceramics exhibit superior chemical inertness and will not react with grinding media, thereby minimizing pollution and ensuring the equipment's long-term stability.


Three materials are the most appropriate for ceramic roller materials: alumina, zirconia, silicon carbide, and silicon nitride. Alumina is the cheapest material choice, Zirconia is the most popular one. In terms of wear resistance, Alumina < Zirconia < Silicon Carbide < Silicon Nitride. Regardless of the type of ceramic roller material used, it must be formed by cold isostatic pressing to ensure the material's density and uniformity, ensuring that rollers made of these ceramics have a higher level of wear resistance. However, regardless of the kind of ceramic material used, the cost is much more than that of stainless steel, but the performance is also significantly higher. Customers may choose ceramic rolls made of a variety of materials to suit their specific requirements. Our business has extensive manufacturing expertise in this field. With extensive expertise and a significant volume of client feedback, UNIPRETEC is able to fulfill customer material and accuracy requirements.


Popular Features

√ No Pollution

√ High Hardness

√ High Efficiency

√ High Wear Resistance

√ Very Long Service Life

√ High Chemical Inertness

√ Low Density, Low Weight

√ High Corrosion Resistance

√ High Operating Temperature


Lab Three Roll Mill


Material Properties

ITEM

UNIT

Alumina | A950          

Alumina | A990          

Zirconia | YSZ95        

Silicon Nitride | GPSN

Main Content

-

95% Al2O3

99% Al2O3

ZrO2>94.5%

Si3N4>90%

Color

-

White

Ivory

White / Black

Black

Density

g/cm3

3.70

3.85

5.95

3.22

Vickers Hardness

Gpa

14

17

12

15

Flexural Strength

Mpa

310

360

800

580

Compressive Strength

Mpa

2,200

2,500

2,500

2,200

Electrical Resistivity

Ω·cm

>1014

>1014

>1010

>1012

Dielectric Strength

KV/mm

15

17

9

19

Dielectric Constant

1 MHz

8

9

28

9.6

Thermal Conductivity

W/m.K

25

29

2.2

27

Max. Working Temperature

℃ / °F

1,500 / 2,730

1,650 / 3,000

800 / 1,470

1,200 / 2,190

Resistance to Thermal Shock

△T(℃)

210

230

260

750

Thermal Expansion Coefficient (25 - 1,000 ℃)

10-6/K

7 - 9

7 - 9

11 - 13

3 - 4

∆ The above data is offered for reference and comparison only, exact data will vary depending on manufacturing method and part configuration.


Using Environment

Lab Three Roll Mill Working Status

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