사업분야
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Physicochemical Properties
It is a kind of grinding bead used for ultra-fine grinding and dispersion of materials requiring "zero pollution" and high viscosity and high hardness. With pearl like luster and smooth working sphere, it is a good product in grinding medium.
Specification
|
ITEM |
SPECIFICATION |
RESULT |
|
ZrO2 % |
≈94.6 |
Confirmed |
|
Y2O3 % |
≈5.2 |
Confirmed |
|
Filled Density(φ5mm) Kg/l |
3.5 |
Confirmed |
|
Density g/cm3 |
≈6 |
Confirmed |
|
Hardness (HV) GPa |
>11 |
Confirmed |
|
Elasticity Modulus GPa |
200 |
Confirmed |
|
Thermal Conductivity W/m.k |
3 |
Confirmed |
|
Coefficient of Thermal Expansion 10*10-6/℃ (20-400) |
9.6 |
Confirmed |
|
Crush Strength (φ7mm) KN |
≥20 |
Confirmed |
|
Bending Toughness MPam1/2 |
8 |
Confirmed |
|
Grain Size Um |
≤0.5 |
Confirmed |
|
Wear Loss ppm |
≥3 |
Confirmed |
Applications and Usages
1. Wear and corrosion resistant products: coatings, textiles, pigments, printing and dyeing
2. High strength and high toughness products: magnetic materials, piezoelectric ceramics, dielectric ceramics
3. Pollution prevention: medicine, food and cosmetics
4. Ceramics: electronic ceramics, refractory ceramics, structural ceramics