Zirconia Toughened Alumina (ZTA) BeadsDURA-32
Description：
DURA-32 Zirconia Toughened Alumina (ZTA) bead was sintered from alumina powder and zirconium silicate powder. Compared to the alumina beads, it has a higher fracture toughness and lower hardness. It is an economic ceramic bead to replace Kaolin bead, silica sand and other natural grinding media.
Applications：
—Minerals industry;
—Chemical industries;
—Fillers: filler of paper, plastic and rubber.
Specialty：
—Higher toughness than alumina beads: break resistance;
—Lower surface friction coefficient and hardness: lower wear and tear to the internal parts of bead mills;
—Low wear rate of beads: increase whiteness and coloury of slurries.
—Matching mills: lower intensity mills.
Chemical Composition：
|
Composition |
Al2O3 |
ZrO2 |
SiO2 |
|
Wt% |
72-77 |
7-12 |
6 |
Physical Properties：
|
Specific Gravity |
Bulk Density |
Micro hardness |
Compressive Strength |
Wear Rate |
Color |
|
3.2kg/dm3 |
2.0-2.2kg/L |
900kg/mm2 |
80kgf(2mm) |
＜70g/T |
white |
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1, Huitong Block, Butterfly Ridge Industrial Zone, Heyuan 517500, China
