Good Price High Purity Industrial Alumina Roller:
Alumina Roller are the main products of our company and sale all over the world are very good.
Mission Ceramic is making high quality ceramic products.
We are make 99.7% Al2O3 tubes, which max working temperature is 1800ºC
and 95% Al2O3 tubes, which max working temperature is 1500ºC
According to different usage, our tubes are widely used for furnace tube, thermocouple protection tube, thermocouple insulator and other applications.
Alumina Roller Advantage:
1.High purity : 99.7% alumina purity make sure high working temperature.
2.Tight tolerance : we can grind OD to make tight tolerance for easy insulation.
3.Fast delivery : we have large quantity alumina rollers in stock.
4.Inspection: each single alumina roller will be checked before shipping.
5.Low transportation cost : We have long time cooperated shipping agency, which can provide very low prices.
Alumina Roller sizes:
Furnace Tube
Diameter
ODXID(mm) |
30x25 |
40x34 |
50x44 |
60x53 |
70x63 |
80x70 |
85x75 |
90x80 |
100x90 |
110x100 |
Max Length |
2000 |
2000 |
2000 |
2000 |
2000 |
1800 |
1800 |
1800 |
1700 |
1700 |
Thermocouple Protection tube
Diameter
ODXID(mm) |
5x3 |
6x4 |
8x5 |
10x7 |
12x8 |
14x10 |
15x10 |
16x12 |
17x14 |
20x16 |
25x19 |
Max Length
(mm)) |
300 |
1200 |
1600 |
2000 |
2000 |
2000 |
2000 |
2000 |
2000 |
2000 |
2000 |
Thermocouple Insulator
Types |
1 Bore |
2bores |
4bores |
Diameter
ODXID(mm) |
OD1-12mm, ID0.5-8mm |
OD1-12mm
ID0.2-4mm |
OD1.6-12mm
ID0.35-3.5mm |
Max Length (mm) |
2000mm |
2000mm |
2000mm |
For other sized alumina tubes, please contact with us.
Alumina Ceramic Technical Data
Al2O3 Purity (%) |
Density
(g/cm3) |
Bending Strength
(Mpa) |
Expansion
(X10-6/ºC)
(25-800ºC) |
Thermal Conductivity
(W/(m.R)) |
Dielectric Strength
(kv/mm) |
Max Working Temperature (ºC) |
Water Absorption
(%) |
95 |
3.60 |
364 |
7.6 |
20 |
11 |
1500 |
<0.2 |
99.7 |
3.90 |
450 |
8.0 |
35 |
12 |
1800 |
<0.1 |
Alumina Roller Packaging:
1. Clean alumina roller by washing.
2. Warped with bubble plastic paper.
3. Put in wood box padded with foam board.
4. Sealed the box with screws which is easy to be opened.
5. Fragile warning stick.
Shipping Method: By sea, by Air, by express way.
If you are interested in any of our products, please let us know. I believe you will like our products and service.