high toughness, high-density and high hardness alumina corrosion resistance and other characteristics of the new products The application of occasions :Non-metallic mineral, paint, ink, paper, coatings, electronic materials, magnetic materials, dyes, food, medicine, etc. Specifications Spherical: φ0.2-25MM.Physical parameters Items Compsisionwt%20-80% ZrO2 80-20% AL2O3Packed DensityKg/L2.5~3.3(Φ ...