YTTRIA-STABILIZED ZIRCONIA / ZrO₂

Zirconium Oxide Ceramic Balls

Dense, tough, low-contamination zirconia balls for fine grinding, valves, pumps, medical devices and corrosion-resistant precision assemblies.

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White zirconia ceramic balls for valves pumps grinding and medical equipment — PRODUCT REFERENCE / FINAL SPECIFICATION BY QUOTATION

PRODUCT OVERVIEW

What are zirconium oxide ceramic balls?

Zirconium oxide balls are precision or grinding spheres made from stabilized zirconia ceramic, commonly yttria-stabilized zirconia. They combine high density, excellent fracture toughness, wear resistance and chemical stability.

Compared with alumina, zirconia generally provides greater toughness and higher grinding energy. Stabilizer system, purity and microstructure must be controlled for demanding grinding, valve and medical applications.

TECHNICAL SPECIFICATIONS

Start with measurable requirements.

Values below are product-family references. The quotation, drawing, agreed standard and inspection plan control the final supply specification.

Technical itemReference specification

MaterialYttria-stabilized zirconium oxide / Y-TZP ZrO₂; exact grade by project

Diameter Range0.5–100 mm reference range

Precision GradeCommercial grinding media through precision grades by size and project

ToleranceControlled by the agreed precision grade, drawing or purchase specification

HardnessApprox. HV 1100–1300, grade dependent

DensityApprox. 5.9–6.1 g/cm³

Surface FinishPrecision polished or fine-grinding media finish

Roundness / SphericityControlled according to the agreed precision grade and inspection method

Temperature ResistanceApplication, load, atmosphere and material-grade dependent

Chemical ResistanceExcellent general corrosion resistance; confirm exact process media

PackagingBulk, small-quantity, container, bag, carton, export pallet or customized packing

MagnetismNon-magnetic

PRODUCT SELECTION GUIDANCE

Compare materials before substituting.

Material selection affects load, wear, corrosion, temperature, precision, service life and total program cost.

Material optionPrimary advantageLimitationBest fit

Zirconia / ZrO₂High toughness, density and low-contamination wearHigher cost and massFine grinding, valves and medical components

Alumina / Al₂O₃Hard, stable and more economicalLower toughness and densityGeneral grinding and insulation

Silicon nitride / Si₃N₄Lower mass and superior high-speed behaviorDifferent wear and cost profileBearings and spindles

Tungsten carbideExtreme hardness and densityBinder corrosion and much higher densitySevere wear and high-pressure valves

KEY PERFORMANCE FEATURES

Performance that purchasing teams can verify.

High fracture toughness

Strong ceramic toughness supports impact and contact duties beyond many oxide ceramics.

Dense grinding energy

High density transfers useful energy in fine grinding and dispersion.

Low contamination potential

Controlled purity and wear support sensitive pigments, electronics and medical processes.

Polished corrosion resistance

Smooth, non-magnetic surfaces suit compatible valve and pump media.

TYPICAL APPLICATIONS

Specify the work the ball must perform.

Application names are starting points—not approval of universal suitability. Share the real medium, load, speed, pressure, temperature, life target and compliance needs.

Fine grinding & dispersion

Pigments, inks, electronics, minerals, pharmaceuticals and advanced materials.

Valves & flow meters

Tough polished balls for compatible chemical and process systems.

Medical & dental devices

Precision components where approved grade, cleanliness and traceability are defined.

Pumps & wear assemblies

Corrosion-resistant contact and metering components.

Typical applications for Zirconium Oxide Ceramic Balls — REPRESENTATIVE APPLICATION ENVIRONMENTS

QUALITY & DOCUMENTATION

Build the evidence into the purchase order.

Document requirements should be defined before quotation so the inspection method, sampling level, traceability and external testing can be planned correctly.

Material identity or alloy / ceramic grade verified against the agreed purchase specification
Diameter, tolerance and geometry inspected using the method appropriate to the ordered precision level
Hardness, density, wall thickness or coating hardness tested when applicable to the product
Surface condition, finish and visual limits checked against approved samples or drawings
Roundness / sphericity or roller geometry inspected when specified
Lot identification and batch traceability maintained through controlled records
Material certificates and inspection reports available when agreed before quotation
Third-party testing, compliance documents and customer inspection plans supported by agreement

PACKAGING OPTIONS

Protect precision through delivery.

Final packing depends on material, diameter, surface sensitivity, order weight, storage time and destination.

Individual protective cells

Separated trays or cells for larger, polished or high-precision ceramic balls.

Sample vials

Clearly labeled containers for qualification and laboratory quantities.

Rigid bulk containers

Cushioned, movement-controlled containers for production quantities.

Clean customer packing

Cleanliness, count, label and pallet requirements coordinated before production.

Supported formats: bulk packaging · small-quantity packaging · plastic containers · bags · cartons · export pallets · customized packaging.

SMALL QUANTITY & SAMPLE ORDERS

Validate before you scale.

SDBALLS Industry Corp. supports North American customers with sample quantities, prototype requirements, testing programs and specialty ball inquiries.

Provide stabilizer, purity, diameter, precision, process fluid, acceptable contamination and grinding or valve conditions. Trial quantities can be coordinated for qualification.

PrototypeTestingRepairR&DSmall batch production

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PRODUCT FAQ

Answers for engineering and purchasing teams.

What does yttria-stabilized zirconia mean?

Yttria stabilizes the zirconia crystal structure, improving toughness and performance. The exact yttria percentage and grade should match the application.

Why use zirconia for grinding?

Its high density, toughness and wear resistance provide efficient energy transfer with low contamination when the grade matches the product.

Can zirconia balls be used in valves?

Yes, after confirming pressure, impact, seat, leakage, fluid chemistry and temperature.

Is zirconia stronger than alumina?

Zirconia is generally tougher and more impact resistant, while alumina is harder in some grades and usually more economical.

Can you provide material certificates and inspection reports?

Yes. State the required certificate, inspection method, sampling plan and report format before quotation so documentation can be included in the supply plan.

Do you support samples and small-quantity orders?

Yes. SDBALLS Industry Corp. supports North American prototype, qualification, repair, R&D and small-batch requirements, subject to material, size and production availability.

CONTACT SDBALLS U.S.

Bring us the application and requirement.

Include product, material, size or shot size, grade, hardness, finish, quantity, packaging, application and required documentation for a faster quotation.

SDBALLS Industry Corp.Email: info@sdballs.usWhatsApp: +1 424 351 5470Website: www.sdballs.usNorth American Business Support