1.Chemical formula: Al₂O₃•nH₂O n< 1
2.Properties and uses:
This product is X-ρ form active aluminum oxide.Its main feature is that the adsorbing ability can keep the same as that of WHA-101 and WHA-102(dew point below -70°C)and the crushing strength of Φ3-5mm sphere can be over 130N,Φ4-8mm sphere over 220N.
Chemical compositions(%):

Ignition loss 3-5 Na2O ≤0.6 SiO2 ≤0.03 Fe2O3 ≤0.03 Al2O3 ≥94

Physical properties:
 

Indexes Φ3-5mm Φ4-8mm Bulk Density g/cm3 ≥0.7 ≥0.7 Specific area surface m2/g ≥350 ≥320 Pore Volume cm3/g ≥0.45 ≥0.45 Crushing strength N/sphere ≥130 ≥220 Rate of abrasion% ≤0.3 ≤0.4 Static adsorption(BET)% ≥22 ≥20