Composition - lab-mills.com · zirconium bead, ultra-fine grinding media and zirconia mini bead. It...
Transcript of Composition - lab-mills.com · zirconium bead, ultra-fine grinding media and zirconia mini bead. It...
Zirconia ball is also called zirconia grind ball, zirconia ceramic ball,
zirconium bead, ultra-fine grinding media and zirconia mini bead. It
has smooth and gloss surface like pearl, which is the most excellent
among all grinding media.
Zircoia grind ball owns advantages of high hardness,
high toughness and high density, good abrasion
resistance, heat-resistance, corrosion-resistance, high
stiffness, non-magnetic and electrical isolation. Its
thermal expansion ratio is next to steel. Its hardness and
strength can be hardly changed even under condition of
600℃.
1. High grinding efficiency: It has higher grinding 1. High grinding efficiency: It has higher grinding
efficiency under some conditions.
2. Good fluidity: Smooth and gloss surface, lower
abrasion compared with other media.
3. Impact resistance and low abrasion: TZP zirconia 3. Impact resistance and low abrasion: TZP zirconia
ceramic mini ball has good toughness, and it won’t be
cracked and peeled under high speed rotation and high
concentration environment and its abrasion ratio is only
half of zirconium silicate beads.
Zircoia mill ball is used for grinding materials
into ultra-fine powder in wet and dry
methods. It is commonly applied to the
following fields:
A. High strength and toughness products:
magnetic material, piezoelectric ceramics,
dielectric ceramics
B. Prevent pollution: medicine, food, B. Prevent pollution: medicine, food,
cosmetic and dyeing industries.
C. Abrasion and corrosion resistant products:
painting and coating, printing ink, paper
making, solar cell, and nonmetal industries.
D. Ceramics: electronics ceramics, refractory
ceramics, structural ceramics.
Composition
Packed Density
Specific Density
Hardness(HV)
Thermal Conductivity
Crushing Load
Fracture Toughness
Grain size
Thermal expansion Coefficient(20-400)
wt%
Kg/L
g/cm3
Kg/mm2
w/m.k
KN
Mpa.m1/2
um
*10-5/℃(20-400℃)
94.8% ZrO2/5.15%Y2O3
3.5(diameter 7mm)
≥6.02
≥1250
3
≥20(diameter 7mm)
≥9
≤0.5
9.6
Main Material
ZrO2
Y2O3
TiO2
P
SiO2
Fe2O3
S
N
Zirconium Oxide -ZrO2
94.48
5.15
0.0018
< 0.035
0.007
0.0009
< 0.03
< 0.25