Alumina porcelain media is a type of ceramic polish media suitalbe for fine polishing,mainly for surface finishing of metal applications.The surface of the media is fine and hard, we have produce different shapes and hardness, including polishing balls, cylinder and triangle.
Item NO.:
OBD-GLCOrder(MOQ):
100Payment:
T/T, L/C, Western Union,Money GrainMarket Price:
$3.5Price:
$3.5/kgPrice Range:
500 - 1000/$1.9Product Origin:
ChinaColor:
Brown/whiteShipping Port:
XiamenLead Time：
30 daysWeight：
1Product Detail
We manufacture various sizes and compositions of ceramic media in our production facilities. This ensures that the right media is available for each application. Special customer-specific solutions can also be produced. Our test labs and media production facilities work together to develop media that meets special requirements. All consumables including ceramic media, plastic media, polishing compounds, and auxiliary abrasives are manufactured to the highest quality standards.
Our product range of media and compounds is by far one of the most comprehensive in the world due to our 30 years of constant product development and improvement. There are more than 2,000 different kinds of polishing media, grinding compounds, and abrasives in our product range. We keep providing our worldwide customers surface finishing solutions and possibilities for different kinds of applications.
Ceramic polishing beads and alumina porcelain balls represent premium abrasive media solutions engineered for high-performance surface finishing, precision polishing, and burnishing applications across demanding manufacturing industries. Manufactured from high-purity aluminum oxide (Al₂O₃ 92-99% purity) with advanced sintering technology, these spherical ceramic media products deliver exceptional cutting efficiency, superior durability, and consistent performance characteristics essential for achieving mirror-finish surfaces, ultra-fine polishing, and critical quality requirements.
Our ceramic ball media portfolio encompasses comprehensive size ranges from micro-precision 2mm diameter through standard production sizes (4mm, 6mm, 8mm, 10mm, 12mm, 15mm) to large industrial 20mm spheres, available in multiple density grades and abrasive classifications. Spherical geometry provides uniform isotropic polishing action eliminating directional surface patterns, ideal for optical components, precision bearings, medical implants, jewelry finishing, and applications requiring non-directional surface textures.
Engineered specifically for vibratory bowl finishers, rotary barrel tumblers, and centrifugal finishing equipment, ceramic ball media combines gentle rolling action with effective material removal delivering superior surface quality without substrate damage. Extended service life (400-800 hours typical) provides excellent cost-effectiveness compared to alternative abrasive technologies while maintaining stable cutting performance and predictable processing results throughout media lifecycle.
Premium aluminum oxide ceramic (92-99% Al₂O₃ purity) manufactured through advanced sintering processes delivering superior hardness (Mohs 9), excellent wear resistance, and stable cutting characteristics. High-density formulation (3.2-3.9 g/cm³) ensures effective material removal and efficient kinetic energy transfer during tumbling operations.
Precision-manufactured spherical shape provides uniform isotropic polishing action producing non-directional surface finishes. Eliminates preferential grain orientation, directional lay patterns, or scratching common with angular media shapes. Ideal for optical surfaces, bearing races, precision spheres, and applications requiring omnidirectional surface treatment without visible process marks.
Available in complete diameter spectrum: 2mm (micro-finishing precision components), 4mm (small parts jewelry electronics), 6mm (general-purpose polishing), 8mm (standard production finishing), 10mm (medium component processing), 12mm (automotive hardware), 15mm (large part finishing), 20mm (heavy-duty industrial applications). Custom sizes available upon request.
Superior wear resistance providing 400-800 hour operational service life under typical production conditions. High hardness and fracture toughness resist breakdown, chipping, or friability. Maintains consistent spherical geometry and stable cutting performance throughout extended service intervals reducing media replacement frequency and lowering total consumable costs.
Engineered in graduated abrasive classifications from coarse cutting (aggressive deburring, rapid stock removal) through medium finishing (general-purpose polishing, standard surface preparation) to fine polishing (pre-mirror surface development) and ultra-fine burnishing grades (mirror-finish achievement, high-gloss surface development, Ra <0.1 micron surface roughness capability).
Aluminum oxide ceramic exhibits excellent chemical resistance to alkaline cleaning compounds (pH 8-12), neutral detergents, mild acidic solutions (pH 4-7), soap-based burnishing agents, and standard finishing chemistry. Inert composition prevents contamination of workpieces, maintains stable performance across diverse compound formulations, and enables versatile processing applications.
Fine polishing applications primarily for metal components across extensive manufacturing sectors:
Bathroom fixture products, faucet components, shower assemblies, drain hardware, towel bars, robe hooks, soap dispensers, toilet paper holders, flushing valve casings, angle valve housings, ball valve bodies, gate valve components, check valve internals, plumbing fittings, decorative bathroom accessories requiring mirror-finish chrome plating preparation
Medical device components, surgical instruments, bone screws (cortical, cancellous, locking), orthopedic implants, artificial bone components, bone plates (trauma, reconstruction), spinal hardware, pedicle screws, medical tweezers (stainless steel, titanium), surgical scissors, forceps, hemostats, clamps, retractors requiring biocompatible surface finishes
Electronic parts, connector housings (USB, HDMI, DisplayPort), circuit board hardware, terminal blocks, switch components, relay cases, bulb sockets, lamp holders, LED heat sinks, electrical connectors, wire terminals, cable fittings, shielding components, electronic enclosures requiring conductive surface preparation
Auto parts, automotive accessories, vehicle hardware, motorcycle components, motorcycle accessories, bicycle parts, bicycle accessories, brake calipers, suspension bushings, steering linkages, transmission gears, engine valves, exhaust manifolds, fuel injection components, turbocharger housings requiring precision surface finishes
Investment castings (lost-wax process), sand castings, permanent mold castings, die castings, zinc alloy die-castings (Zamak 3, Zamak 5), aluminum die-castings (A380, ADC12), brass castings, umbrella accessories casting, precision investment cast components, turbine blade castings requiring smooth surface finishes
CNC machined components, turned parts, milled components, ground parts, EDM machined workpieces, wire EDM components, machined aluminum parts (2024, 6061, 7075), machined stainless steel (304, 316, 17-4PH), precision hardware, tight-tolerance components requiring burr-free edges and uniform surface finishes
Fine jewelry components, precious metal jewelry (gold, silver, platinum), fashion jewelry, costume jewelry, wedding bands, engagement rings, pendants, earrings, bracelets, chains, clasps, findings, metal eyewear accessories, eyeglass frames, sunglass components, optical hardware requiring brilliant mirror finishes
Chain polishing (jewelry chains, industrial chains, roller chains, conveyor chains), pin polishing, dowel pins, clevis pins, cotter pins, spring pins (slotted, coiled), taper pins, grooved pins, precision pins, locating pins, ejector pins requiring smooth surfaces and precise dimensions
Metal stampings, precision stampings, progressive die parts, transfer die components, deep drawn parts, spring clips, metal springs (compression, extension, torsion), metal fittings, belt buckles, shoe buckles, buckles, fixtures, baffles, brackets, mounting hardware, separators requiring edge deburring
Hand tools, power tool components, hardware tools, pliers (cutting, needle-nose, locking, slip-joint), wrenches, sockets, ratchets, blades, cutting blades, utility knife blades, shovels, spades, garden tools, agricultural tools, woodworking tools, daily hardware requiring smooth functional surfaces
Gas valves, control valves, needle valves, globe valves, butterfly valves, ball valves, gate valves, check valves, relief valves, angle valve casings, valve bodies, valve stems, valve seats, trim components, actuator parts requiring leak-tight sealing surfaces
Gears (spur, helical, bevel, worm), pinions, sprockets, bearing components, bearing washers, thrust washers, retaining rings, snap rings, door handles, lever handles, knobs, pulls, ball bearings, roller bearings, races, aluminum alloy parts, tungsten components, white steel bars requiring precision surface finishes
Springs (compression springs, extension springs, torsion springs, wave springs), rivets, solid rivets, blind rivets, pop rivets, tubular rivets, split rivets, rivet finishing, fastener components, threaded fasteners, specialty hardware requiring uniform appearance
Zippers, zipper components, zipper sliders, zipper pulls, zipper stops, tent clips, tent stakes, hooks, snap hooks, S-hooks, carabiners, D-rings, O-rings, buckles (belt buckles, quick-release, side-release), toggles, cord locks, grommets, eyelets requiring decorative finishes
Ceramic parts, technical ceramics, alumina ceramics (Al₂O₃), zirconia ceramics (ZrO₂), ceramic substrates, ceramic insulators, ceramic seals, ceramic bearings, ceramic valve components, advanced ceramics requiring smooth non-porous surfaces
Hard hats, safety helmets, helmet components, face shield mounts, chin strap hardware, suspension systems, protective equipment parts, safety gear accessories, PPE components, industrial safety hardware requiring durable surface finishes
3D printing polishing, 3D printed metal parts (DMLS, SLM, EBM), additive manufacturing support removal, powder bed fusion parts, binder jet components, directed energy deposition parts, metal 3D printing post-processing, layer line smoothing, surface finishing additive parts
Metal workpieces, fabricated components, welded assemblies, machining hardware, precision hardware, decorative hardware, architectural hardware, furniture hardware, cabinet hardware, door hardware, window hardware, ornamental metalwork requiring consistent surface quality
Perfect spherical geometry provides omnidirectional polishing action eliminating directional lay patterns, grain orientation effects, or visible process marks. Produces uniform non-directional surface texture ideal for optical components, precision bearings, spherical parts, jewelry, and applications requiring isotropic surface characteristics without preferential directional scratches common with angular media shapes.
High-hardness alumina ceramic (Mohs 9) delivers 400-800 hour service life significantly exceeding plastic media (200-400 hours) and organic media (40-80 hours). Exceptional wear resistance maintains spherical geometry and stable cutting performance throughout extended service intervals. Reduced media replacement frequency lowers consumable costs and minimizes production downtime for media changes.
Ultra-fine abrasive grades achieve exceptional surface quality with Ra values <0.1 microns suitable for mirror-finish applications. Enables high-gloss surface development on stainless steel, aluminum, brass, precious metals, and demanding cosmetic applications. Ideal preparation for subsequent bright nickel plating, decorative chrome plating, electropolishing, or high-quality painting requiring minimal orange peel and maximum surface reflectivity.
Chemically inert aluminum oxide composition prevents substrate contamination, discoloration, or staining. No metallic contamination risk unlike steel media. No organic residues or oils unlike plastic media. Clean processing maintains part cleanliness essential for medical devices, electronics, food processing equipment, and applications requiring stringent contamination control or biocompatible surface preparation.
Spherical rolling action provides gentle uniform polishing without aggressive localized cutting preserving critical part dimensions. Minimal material removal enables precision component finishing maintaining tight tolerances within ±0.0005" on critical features. Ideal for precision bearings, gears, medical implants, aerospace components, and applications where dimensional integrity must be preserved during surface finishing operations.
Compatible with vibratory bowl finishers, rotary barrel tumblers, centrifugal disc machines, and all standard mass finishing equipment. Works effectively with liquid polishing compounds, powder compounds, soap-based burnishing agents, neutral cleaners, and specialty finishing chemistry. Suitable for single-stage polishing or multi-stage progressive finishing sequences from deburring through mirror polishing enabling complete process flexibility.
Three decades of continuous innovation in ceramic media technology, advanced sintering processes, and surface finishing applications. Extensive expertise spanning automotive, medical, aerospace, electronics, jewelry, and precision manufacturing industries. Deep application knowledge ensuring optimal media recommendations for your specific requirements.
More than 2,000 distinct polishing media products, grinding compounds, and finishing consumables. World's most comprehensive selection including ceramic balls, ceramic triangles, ceramic cones, plastic media, organic media, steel media, burnishing compounds, deburring compounds, and specialty finishing solutions addressing virtually every surface treatment requirement.
ISO 9001 certified quality management systems ensuring consistent product quality, comprehensive process controls, rigorous testing protocols, and complete traceability. Statistical process control, incoming material verification, in-process monitoring, final inspection, and performance validation guarantee specification conformance and reliable performance.
Application-specific ceramic media formulations developed through testing laboratory and production facility collaboration. Custom alumina purity levels, specialized density grades, proprietary sizes, and performance-optimized products engineered for unique processing challenges. Technical support throughout development, validation, and production implementation.
Contact our surface finishing specialists today to discuss your ceramic media requirements and polishing applications. Send sample components for complimentary testing evaluation in our application laboratory. Receive detailed recommendations on ceramic ball media selection (size, grade, abrasive level), equipment specification, processing parameters, compound chemistry, and expected surface finish results with photographic documentation. Our experienced technical team provides expert guidance ensuring optimal finishing solutions for your precision manufacturing applications.
Global Distribution Network: Worldwide supply capability with flexible international shipping options
Technical Excellence: Application engineering, process development, and comprehensive technical support
Quality Commitment: ISO 9001 certified manufacturing ensuring consistent premium quality
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| Picture | Product Name | Specification (mm) | Function (Wet-Grinding) | Shape | |||||
|---|---|---|---|---|---|---|---|---|---|
| VR | R | N | NF | F | FF | ||||
|
Brown Fused Alumina (Angle Cut Triangle) |
3*3、4*4、6*6、8*8、10*10、 12*12、15*15、20*20、25*25、30*30 |
● | ● | Angle Cut Triangle | ||||
|
Brown Fused Alumina (Triangle) |
3*3、4*4、6*6、8*8、10*10、 12*12、15*15、20*20、25*25、30*30 |
● | ● | Triangle | ||||
|
Brown Fused Alumina (Ball) |
2、4、6、8、10、12、15、20 | ● | ● | ● | ● | Ball | ||
|
Brown Fused Alumina (Angle Cut Cylinder) |
2*4、3*6、4*8、5*10、6*12、8*16 | ● | ● | Angle Cut Cylinder | ||||
   
|
Plastic (Cone) | ● | ● | ● | Cone | ||||
|
8*8、10*10、12*12、15*15、 20*20、25*25、30*30、35*35、 40*40、45*45、50*50 |
● | ● | ● | ||||||
| ● | ● | ● | |||||||
| ● | ● | ● | |||||||
|
Ceramic (Ball) | 2、4、6、8、10、12、15、20 | ● | ● | ● | Ball | |||
|
Ceramic (Angle Cut Triangle) |
3*3、4*4、6*6、8*8、10*10、 12*12、15*15、20*20 |
● | ● | Angle Cut Triangle | ||||
|
Alumina Porcelain (Ball) | 2、4、6、8、10、12、15、20 | ● | ● | Ball | ||||
|
Alumina Porcelain (Triangle) |
3*3、4*4、6*6、8*8、10*10、 12*12、15*15、20*20 |
● | ● | Triangle | ||||
|
High-frequency Porcelain | 1.3*3、1.5*5、2.5*8、3*10、4*14 | ● | ● | ● | Cylinder | |||
|
Alumina Porcelain 3P | 8#、12#、16#、24#、32#、36# | ● | ● | Irregular | ||||
|
Alumina Porcelain 3P-1 | 8#、12#、16#、24#、32#、36# | ● | ● | Irregular | ||||
| Picture | Product Name | Specification (mm) | Function (Dry-Grinding) | Shape | |||||
|---|---|---|---|---|---|---|---|---|---|
| VR | R | M | MF | F | FF | ||||
|
Walnut Shell | 8#、12#、16#、24#、32#、36#、80# | ● | ● | ● | Irregular | |||
|
Wood (Bullet) | 0.5*2、0.5*2.5、0.5*3 | ● | ● | Bullet | ||||
| - | Wood (Rhombus) | 2*2、3*3 | ● | ● | Rhombus | ||||
|
Wood (Square) | 6*6、7*7 | ● | ● | Square | ||||
| - | Bamboo (Rhombus) | 2*2、3*3 | ● | ● | ● | Rhombus | |||
| - | Stone powder | 0 | ● | ● | ● | Powder | |||
Note: VR=Very Rough; R=Rough; N=Normal; NF=Normal Fine; F=Fine; FF=Very Fine
Further dimensions on request.
Special types for specific fields of application - contact us
Email : info@surface-polish.com
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