Home > Product > Alumina hollow ball

Contact us

Address:
Tel:86-533-3590679
Mobile:15053393318
Contact Person:Ms
Fax:86-533-3590676
Website:

alumina hollow ball

alumina hollow ball product name: alumina hollow ball
Place of Origin: Peoples Republic of China
Post Date: September 7, 2011
Edit Date: September 7, 2011

Detailed Product Description:

Specifications

Alumina Hollow Ball
Al2O3>99%
With high-temperature resistance
spalling resistance
high stress flexural strength

Alumina Hollow Ball

  Alumina bubble is a new kind of heat insulation material, it is labor in the eaf melting aluminum s blowing in the crystal shape, and for a - Al2O3 nanocrystal. In alumina bubble can be made for the subject, the use of various shapes, the highest temperature 1800 ° c, the products of high mechanical strength, for general light products, and the number of times the volume density is only one half of corundum products. In the gasifier, petrochemical industry, metallurgy industry, carbon industry reactor furnace temperature, such hi-temp extensively, made satisfactory effect in energy saving.

 

Name

Al2O3

SiO2

Na2O

Fe2O3

refractoriness

 

B.D

Grain size

 

Main 

crystal

 

Alumina Hollow Ball

>99%

<0.3%

<0.25%

<0.15%

1800'C

0.5-1.0

0.-5mm

α-Al2O3

 Regeneration aluminum oxide hollow ball  

 

 

>99%

 

 

<0.8%

 

 

<0.25%

 

 

<0.15%

 

 

1650'C

 

 

0.5-1.0

 

 

 -

 

 

α-Al2O3