Ceramic Ball

Inert alumina ceramic ball can stand up high atmospheric pressure and temperature. Low water absorption, corrosion resisting and steady chemical property, it is widely used in petrochemical, fertilizer, coalgas, environmental protecting etc, supporting and covering the catalyst.

Product: Inert alumina ceramic ball
Size: ? 6- ? 75

&Chemical Composition
Chemical composition Content
AL2O3 (Normal Value + 4)%
AL2O3+SiO2 ≥ 92%
Fe2O3 <1%

&Chemical and Physical Property
Main crystal phase
AL2O3
Item Feldspar Feldspar-
Mullite Mullite Mullite corundum Corundum
20-25 25-45 45-70 70-90 >90
Density (g/cm³ ) 1.4-2.0
Water absorption (%) <3 <1
Anti-acid(%) >98
Anti-alkali(%) >80 >82 >85 >90 >95
Spalling resistance(C) >250 >300 >500 >700 >800
Refractoriness (C) >1300 >1400 >1500 >1600 >1700
Crushing strength KN/PC ? 6 >0.40 >0.45 >0.6 >0.7 >0.8
? 8 >0.7 >0.8 >0.9 >1.0 >1.2
? 10 >0.9 >1.0 >1.2 >1.5 >1.8
? 13 >1.2 >1.3 >1.6 >1.8 >2.0
? 16 >1.5 >1.6 >1.8 >2.3 >2.6
? 20 >1.8 >2.0 >2.3 >2.8 >3.20
? 25 >2.5 >2.8 >3.2 >3.6 >4.0