الوصف

Index                      Technical requirements
AL2O3                           ≥*0％
Potassium permanganate          ≥4.0％
Water ( room temperature )      ≤*5％
Apparent density                ≤0.*0g/ml
Specific surface area           ≥**0m2/g
Crushing strength               ≥*0(**5mm) ≥*0(**6mm) N/particle