With the advantages of smooth surface, even size, high hardness, wearable and stable, widely used as disperser, grinding media and filler materials in day, paint, ink and chemical industry.
A: Appearance: Clean and transparent, no visible bubbles and impurity.
B: Specific gravity:2.4-2.6g/cm3
C: Hardness:6-7
D: Compressive strength:＞1200N
