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Overview
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.


Features
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 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 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.
4. Low using cost: Zirconia ball saves your costs greatly, such as reducing media and equipment abrasion, saving electricity and labor cost and so on.
Applications:
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, 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.
Technical Parameter
| Parameters of Zirconia Mill Balls | ||
| Items | Unit | Parameter |
| Composition | wt% | 94.8% ZrO25.2%Y2O3 |
| Packed Density | Kg/L | 3.5(diameter 7mm) |
| Specific Density | g/cm3 | ≥6.02 |
| Hardness(HV) | Kg/mm2 | ≥1250 |
| Thermal Conductivity | w/m.k | 3 |
| Crushing Load | KN | ≥20(diameter 7mm) |
| Fracture Toughness | Mpa.m1/2 | ≥9 |
| Grain size | µm | ≤0.5 |
| Thermal expansion Coefficient(20-400) | *10-5/℃(20-400℃) | 9.6 |
Mill Pots
We provide all kinds of mill pots in any matched size, which can be made of agate, alumina corundum ceramics, zirconia ceramics, silicon nitride ceramics, carborundum ceramics, stainless steel, high wear resistant steel, manganese steel, nylon, PU, cemented carbide, crystal glass, and etc.
Mill pots for planetary ball mills
Mill pots for roll ball mills



Product Quality Warranty:
One-year warranty period shall be provided to any client who buys our products and related accessories. The following promises are valid within the warranty period which is calculated from time or date when the client or consumer takes delivery of machine, opens case, inspects machine and receives with signature. We promise to guarantee free replacement within one month, and guarantee free repair within one year.
Client may enjoy free replacement within one month if any of following occurs:
1) The machine is broken in course of transportation;
2) Motor and frequency converter are burnt out;
3) The key part or main disk of the machine is seriously in failure.
After-sale Services Promises:
1) We shall make prompt response to any problem about the machine within 24 hours if you have.
2) We shall provide 6-day 8-hour services for all our clients and subscribers, and shall provide trouble-shooting solutions until the fault is completely eliminated.
3) If the machine is found any fault or problem, please do not hesitate to notify us the details about faults, caused reasons and status. We shall do our great efforts to solve according to following terms:
a. Common faults:
Common faults refer to failure of non critical parts or improper configuration that effects partial operation or leads to Inconvenience of machine operation. We shall solve such problems by email or posting parts by courier.
b.Serious faults:
Serious faults refer to failure of key parts or improper configuration that influence running or operating of machine widely. We shall firstly diagnose reasons of faults by email or phone, then, shall send replacement of parts by courier, until solve the problems. Courier freight shall be for our account within quality warranty period.

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