Ceramic Roller

  

Alumina ceramic roller OD 0.7mm-150mm Length 3900mm

Alumina ceramic rollers

Ceramic alumina rollers , alumina content 60%- 99.7%,White or Ivory ,Wear-resisting and acidproof alkali corrosion , High temperature (1600-1700 degree centigrade). Good chemical stability,high insulation, strong adsorption capacity, is a nice electrical insulation and wear-resisting material.

Instructions:

     In order to make the ceramic rollers to achieve the ideal using effects, extend the service life,
 please refer to the following instructions:

1、Before using, the new roller should be placed in the kiln crown to dry 24 hours or more
 (60-80 ° C).

2、The roller coated with paint should be placed in the kiln crown to dry more than 72 hours .

3、Replace rollers,should be promptly , fast, at the same time rotate the rollers.

4、The rollers from the medium or high temperature zone,to avoid exposure to
 cold items, should be placed in 
the bracket with asbestos cushion and maintain the spin state below 600 ℃.

5、The roller surface with small area glaze particles will affect the of the  thermal shock 
resistance, and it should be cleaned regularly.

6、Substandard raw materials, fuel should be used cautious because it will erode the roller. 

Roller main technical index details:

Product Inf.:

Al2O3 content 

%

70-75

85

95

99.7

Density 

(g/cm3)

3.0

3.4

3.7

3.9

Bending Strength

(Mpa)

85N/MM2

300

364

450

Hot coefficient of expansion

 (20O°C-80O°C) 

6

7

7.6

8

Thermal Conductivity 

(W/(m.R))

17

18

20

35

Dielectric Strength 

(kv/mm)

9

10

11

12

Working Temperature 

 (Long time use)

1300

1400

1600

1750

Water Absorption 

%

5

<0.2

<0.2

<0.1-0.2

Specification:

Dimension Outer dia. mm Inner dia.mm Length mm Remark
Item 
Thermocouple protection tube 7-120 1-110 10-2500

If you need others,we can

customize for you.

Insulated tube Single hole 2-120 1-110 10-3900
(inner core) Double holes 1-10 0.4-2 10-2500
  Four holes 2-10 0.5-2 10-2500

Related Products

Your name (required)

Your Email (required)

Topic

Files

Message

replica watches