High Purity Alumina Tube
Main Features：
● Alumina purity: 99.7%
● Sintering temperature: 1810℃
● Max. working temperature: 1700℃
● Continue working temperature: 1600℃
● Delivery time: within 3 days
High Purity Alumina Tube
Introduction:
High purity alumina tube can withstand very high temperature under reducing, inert or high vacuum condition. They remain good chemical resistance under high temperature, and have excellent wear and abrasion resistance.
Main Features：
● Alumina purity: 99.7%
● Sintering temperature: 1810℃
● Max. working temperature: 1700℃
● Continue working temperature: 1600℃
● Delivery time: within 3 days
Chemical Composition:
| Chemical Composition(%) | Al2O3 | >99.6 |
| SiO2 | <0.1 | |
| Fe2O3 | <0.05 | |
| R2O | <0.1 |
Standard Stock Size:
| OD x ID x Length (mm) | |
| 28 x 22 x 200-1500mm | 30 x 24 x 200-1500mm |
| 32 x 26 x 200-1500mm | 35 x 28 x 200-1500mm |
| 40 x 30 x 200-1500mm | 50 x 40 x 200-1500mm |
| 60 x 50 x 200-1500mm | 70 x 60 x 200-1500mm |
| 80 x 70 x 200-1500mm | 90 x 80 x 200-1500mm |
| 100 x 90 x 200-1500mm | 120 x 110 x 200-1500mm |
Other sizes can be produced according to customer’s requirement.
Note: Alumina products are sensitive to thermal shock. Try to warm up the furnace chamber slowly. A heating rate between 150℃ ~ 300℃/hour is recommended for the first 1-1.5hours, so that the alumina products can be evenly heated to reduce the impact of thermal shock.
