The IPD9600-15ZOB is the 15 mm zirconium oxide (ZrO₂) ceramic grinding ball for the Benchmark Industrial IPD9600 BeadBlaster 96 Ball Mill Homogenizer — sold per ball at $64. Zirconium oxide is a non-metallic ceramic alternative to stainless steel grinding balls — engineered for workflows where metal contamination must be excluded (trace-metal analysis, ICP-MS sample prep, specialty mechanochemistry).
Key Specifications
| SKU | IPD9600-15ZOB |
| Type | Zirconium oxide (ZrO₂) ceramic grinding ball |
| Bead diameter | 15 mm |
| Material | Zirconium oxide (ZrO₂) — non-metallic ceramic; high hardness (Mohs ~8.5); chemically inert |
| Pack quantity | Each |
| Compatible chassis | IPD9600 BeadBlaster 96 |
| Compatible vessel | Typically 25–35 mL grinding jars |
| Sister 15 mm SKU | IPD9600-15PTFB (15 mm PTFE steel-core, $101 — coated alternative) |
| Companion grinding jar | IPD9600-35ZO (35 mL zirconium oxide jar, set of 2, $5,802) for fully ZrO₂ workflow |
| List price | $64 |
Why Zirconium Oxide — Metal-Free Workflows
Stainless steel grinding balls introduce iron / chromium / nickel trace contamination into samples — typically below detection limit for most analytical workflows but problematic for:
- Trace metal analysis — ICP-MS, AAS, or other metal-quantification workflows where Fe / Cr / Ni contamination biases results
- Mechanochemistry — chemical reactions where metal catalysis from grinding-ball surface would interfere with reaction selectivity
- Pharmaceutical analytical workflows — where regulated impurity standards require metal-contamination exclusion
- High-purity materials prep — semiconductor / electronics materials where metal contamination is critical
Zirconium oxide (ZrO₂) advantages:
- Non-metallic — no iron / chromium / nickel introduction into sample
- High hardness (Mohs ~8.5) — comparable to harder stainless steel; sufficient for most tough-tissue / mineral samples
- Chemically inert — resistant to acid / base / organic-solvent chemistry
- Reusable across cycles — long service life with proper cleaning
Grinding-Ball Material Selection Decision Tree
| Material | Best for | Cost | Key trade-off |
| Stainless steel (IPD9600-10BS / -25BS) | Standard tough-tissue / bulk workflows | $3-$63/ball | Metal contamination; cheapest option |
| Tungsten carbide (IPD9600-10TCB) | Hardest samples (mineral, bone, polymers) | $33/ball | Highest kinetic energy; metal contamination |
| Zirconium oxide (this product, -15ZOB) | Metal-free workflows; trace-metal analysis; mechanochemistry | $64/ball | No metal contamination; lower density (3.85 g/cm³ vs SS 8 g/cm³ vs WC 15 g/cm³) so lower kinetic energy |
| PTFE steel-core (IPD9600-15PTFB) | Chemically aggressive workflows; coated metal core for kinetic energy | $101/ball | PTFE coating may wear; coating debris contamination |
Application Profile
Trace-metal analytical sample prep — ICP-MS, AAS, or other metal-quantification workflows where Fe / Cr / Ni / SS-derived metal contamination must be excluded.
Mechanochemistry workflows — chemical reactions induced by mechanical energy where metal catalysis from grinding-ball surface would interfere.
Pharmaceutical analytical workflows — regulated workflows where metal-impurity standards require exclusion.
Materials science high-purity workflows — semiconductor / electronics / specialty-materials sample prep.
Method-development workflows — protocol-development workflows comparing bead-material effects on extraction yield + analytical interference.
Replacement / spare procurement — labs replenishing zirconium oxide bead inventory.
Companion Workflow — Full ZrO₂ Vessel + Bead Workflow
For complete metal-contamination exclusion, pair the IPD9600-15ZOB ZrO₂ ball with the IPD9600-35ZO 35 mL Zirconium Oxide grinding jar ($5,802 / set of 2) — fully ZrO₂ workflow eliminates metal contamination from both bead and vessel surfaces.
Ordering & Configuration
Pair with chassis + grinding jar. Confirm IPD9600 BeadBlaster 96 chassis + appropriate grinding jar inventory.
Confirm metal-free workflow requirement. Standard workflows do not require ZrO₂ — confirm the workflow's analytical-interference or contamination-control requirement before procurement.
Quantity sizing. Per-ball procurement supports targeted ZrO₂ bead inventory.
Confirm at quote: chassis pairing (IPD9600 in inventory), workflow material requirement (metal-free vs standard), grinding jar pairing (IPD9600-35ZO for full ZrO₂ workflow), and lead time.
Warranty: Per Benchmark Industrial standard consumable terms — confirm at quote.
Benchmark Industrial IPD9600 grinding-ball family (see IPD9600-25BS family table for full material × size matrix).
Pick the 15 mm zirconium oxide ball for metal-free / trace-metal-analysis / mechanochemistry workflows; sister 15 mm PTFE steel-core for chemical-resistance workflows; sister 10 mm SS / 25 mm SS / 10 mm tungsten carbide for standard workflows.
