Ceramic Crucible Boat Sample Holder Tube Furnace Corundum Crucible Lab Porcelain Combustion Boat

Ceramic Crucible Boat Sample Holder Tube Furnace Corundum Crucible Lab Porcelain Combustion Boat

Features:

1.The crucible is made of aluminum oxide with 1800 degree firing temperature and 40 hours sintering time.

2.It cannot be used over 1800 degree

3.Heating rate cannot be 50 degree /10mins.

4.Avoid aluminum oxide reaction.

Physical and chemical index:

Al2O3:>99%

R2O<0.2%

Fe2O3:<0.1%

SiO2:<0.2%

Bulk density:>3.8g/cm3

Porosity:<1%

Bend strength:>350Mpa

Compressive strength:>12000Mpa

Dielectric constant: 2

Max work temperature:1800 degree