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High-purity agate grinding media for precise, contamination-free milling
The Cell Lab™ Natural Agate Grinding Ball Set is crafted from premium Brazilian agate to deliver exceptional purity, hardness, and chemical inertness. Ideal for wet or dry grinding of powders and slurries in planetary ball mills, it ensures uniform particle size reduction with minimal abrasion or contamination—making it perfect for battery research, ceramics, metal oxides, and advanced material preparation.
• Natural Brazilian Agate Composition
High-purity agate offers excellent hardness and wear resistance while maintaining chemical neutrality, preventing cross-contamination during milling.
• Optimised for Planetary Ball Mills
Perfectly matched for Cell Lab agate, zirconia, alumina, and other jar materials to ensure efficient energy transfer and balanced mixing.
• Precision Polished Spherical Shape
Polished to a smooth finish for consistent kinetic energy distribution and reduced friction loss in both wet and dry milling operations.
• Uniform Density and Hardness
With a density of 2.65 g/cm³, these balls provide stable impact and grinding efficiency across long operating cycles.
• Contamination-Free Performance
Ideal for high-purity applications in battery materials, semiconductors, geological samples, and chemical synthesis labs.
| Property | Specification |
|---|---|
| Material | Natural Brazilian agate |
| Form | Polished sphere |
| Density | 2.65 g/cm³ |
| Hardness (Mohs) | ≈ 7 |
| Chemical Resistance | Excellent against acids and organic solvents |
| Recommended Use | Planetary ball mills, vibration mills, laboratory mixers |
| Compatibility | Agate, alumina, zirconia, and stainless-steel jars |
| Jar Capacity | Ball Diameter (mm) | Quantity (pcs) | Approx. Weight (g) |
|---|---|---|---|
| 1 L | 5 / 10 / 20 | 1145 / 239 / 12 | 199 / 331 / 132 |
| 500 mL | 5 / 10 / 14 | 573 / 119 / 38 | 99 / 165 / 66 |
| 400 mL | 5 / 8 / 10 | 458 / 186 / 38 | 79 / 132 / 53 |
| 300 mL | 5 / 8 / 10 | 344 / 140 / 29 | 60 / 99 / 40 |
| 250 mL | 3 / 5 / 10 | 1326 / 477 / 24 | 50 / 83 / 33 |
| 150 mL | 3 / 5 / 10 | 795 / 286 / 14 | 30 / 50 / 20 |
| 50 mL | 3 / 5 | 530 / 76 | 20 / 13 |
Lithium-ion battery and solid-state material research
Ceramic and catalyst powder grinding
Geological and mineralogical sample pulverisation
Metallurgical and chemical synthesis labs
Pharmaceutical and academic material sciences
Q1: Why choose agate grinding media over zirconia or alumina?
A1: Agate offers superior chemical inertness and is ideal for avoiding metal ion contamination during fine milling.
Q2: Can these balls be used for both wet and dry grinding?
A2: Yes, they perform efficiently in either condition, delivering consistent particle reduction without material loss.
Q3: Are the sets customisable for different jar volumes?
A3: Yes — custom ball size combinations and weights can be produced to match specific jar capacities.
Q4: What is the expected lifespan of agate media?
A4: With proper use and cleaning, agate balls can withstand thousands of grinding cycles without cracking or surface abrasion.
Q5: Can these balls be used with other jar materials?
A5: Yes — they are fully compatible with agate, zirconia, alumina, and stainless-steel jars.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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