1.Ceramic Insulating Tube/99.7% Al2O3 Aluminum Tube
2.High purity and chemical crossion resistant
3.Wear and abrassion resist
Ceramic Insulating Tube/99.7% Al2O3 Aluminum Tube
1.al2o3 alumina insulator ceramic tube
2.ceramic heating tube
3.refractory ceramic tube
Features
1 High dielectric properties.
2 Extreme wear and abrasion resistance.
3 Chemical corrosion resistance under high temperature.
4 Extreme high temperature stability under reducing, inert
and high vacuum condition under high temperature up to 1800C.
5 Gas tight for many applications to provide protective atmospheres
or high vacuum at high temperature to eliminate contamination or impurity.
Material
| 65 Al2o3 | 75 Al2o3 | 80 Al2o3 | 85 Al2o3 | 90 Al2o3 | 95 Al2o3 | 99 Al2o3 |
Al2o3
| 65% | 75% | 80% | 85% | 90% | 93% | 99.3% |
Fe2o3
| ≤ 4 | ≤ 2 | ≤ 1.5 | ≤ 1.0 | ≤ 0.5 | ≤ 0.5 | ≤ 0.3 |
Desnsity: g / cm3
| 2.8 | 3.10 | 3.20 | 3.40 | 3.50 | 3.60 | 3.85 |
Vickers Hardness
| 7.5 | ≤ 7.8 | ≥ 8 | ≥ 8.6 | ≥ 8.8 | 9 | 9 |
Water Absorption: %
| ≤ 4 | ≤ 1 | ≤ 0.5 | ≤ 0.2 | ≤ 0.1 | ≤ 0.085 | ≤ 0.01 |
Refractoriness: °C
| 1300 °C | 1400 °C | 1450 °C | 1580 °C | 1600 °C | 1650 °C | 1800°C |
Flexural Strength: Mpa
| 80 | 100 | 150 | 180 | 200 | 240 | 280 |
Wear Rate: % | ≤ 5 | ≤ 4.5 | ≤ 3.5 | ≤ 3 | ≤ 2.5 | ≤ 1 | ≤ 0.5 |
Our company has a good reputation in China.And our quotation given you is the same as our domestic clients.So it is absolutely fair to you. Any more questions and special demands please feel free to ask me.And please give me your order according to the following order guidelines:
order guidelines
1.Graduations(K,N,E,J,T,S,R,N etc.) and working temperature
2.Material demand
3.Volume
4.specifications(diameter,thickness)
The following is our company's website,you can find more products you wants in it:
http://cqhaichen.en.alibaba.com/index.html
