High Purity Alumina Crucible/Boat, 99.6% Al2O3 Alumina Ceramic Crucible/Boat
High purity alumina products can withstand very high temperatures under reducing, inert or high vacuum conditions. They remain good chemical resistance under high temperature and have excellent wear and abrasion resistance. Alumina products can withstand up to 1800℃.
● Alumina purity: 99.6%
● Color: Ivory
● Sintering temperature: 1810℃
● Max. working temperature: 1800℃
● Sag Temp. Unsupported Tube: 1600℃
|Chemical Composition (%)||Al2O3||>99.6|
|Capacity (ml)||Specification (mm)||Capacity (ml)||Specification (mm)|
Alumina Boat (semi-circle type or rectangle type )
|Capacity (ml)||Specification (mm)|
Other sizes can be produced according to your 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.