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High-purity PTFE jars for caustic & abrasive sample milling in planetary ball mills
Cell Lab PTFE (Teflon) planetary ball mill grinding jars are engineered for ultra-clean, chemical-resistant milling in advanced R&D and industrial laboratories.
The non-stick surface minimises sample retention, while the high chemical inertness of PTFE ensures zero cross-contamination during milling.
Ideal for caustic, abrasive, or high-purity samples such as ceramics, catalysts, environmental materials, and battery components.
Each jar includes a lid and silicone sealing gasket; grinding media are ordered separately.
Pure PTFE construction – outstanding chemical stability, non-stick surface, and effortless cleaning.
Exceptional abrasion resistance – designed to handle caustic or abrasive powders without premature wear.
Secure sealing – silicone gasket and precision lid prevent leaks and maintain sample integrity.
Broad compatibility – fits most planetary ball mills used in laboratories and pilot R&D setups.
Wide capacity range – available from 50 ml to 5,000 ml for flexible experimental scaling.
| Specification | Detail |
|---|---|
| Material | PTFE / Teflon |
| Density | 2.14 g/cm³ |
| Shape | Cylindrical |
| Colour | White |
| Abrasion resistance | Very good |
| Accessories | Lid + silicone sealing gasket |
| Compatible grinding media | Zirconia balls (ordered separately) |
| Suitable for | Caustic and abrasive samples |
| Usage note | Match jar and ball hardness to the sample being milled to prevent wear and contamination. |
| Product No. | Nominal Volume (ml) | Outer Ø (mm) | Inner Ø (mm) | Height (mm) | Notes |
|---|---|---|---|---|---|
| CL0379 | 50 | 63 | — | — | For ultra-small batch milling |
| CL0380 | 100 | 68 | 48 | 77 | Compact laboratory size |
| CL0381 | 250 | 88 | 68 | 98 | Mid-low capacity |
| CL0382 | 500 | 109 | 88 | 105 | Mid capacity |
| CL0383 | 1,000 | 133 | 110 | 148 | Standard lab-scale size |
| CL0384 | 1,500 | 132 | 110 | 177 | For extended milling cycles |
| CL0385 | 2,000 | 158 | 134 | 172 | Balanced throughput |
| CL0386 | 2,500 | 158 | 134 | 202 | High volume, still manageable |
| CL0387 | 3,000 | 158 | 138 | 211 | For substantial material loads |
| CL0388 | 4,000 | 178 | 158 | 226 | Large-scale laboratory milling |
| CL0389 | 5,000 | 219 | 190 | 217 | For scaled-up or continuous R&D runs |
Cell Lab PTFE (Teflon) planetary mill jars are widely used in:
Battery materials research – cathode/anode powder mixing and electrolyte additive preparation
Ceramic and catalyst synthesis – chemical milling of oxides and corrosive compounds
Environmental science – soil, sediment, and waste sample homogenisation
Advanced materials R&D – nanoparticle dispersion and polymer blending
Corrosive material processing – high-purity applications requiring chemical inertness
Q1: Can PTFE jars be used for both wet and dry milling?
A: Yes. PTFE jars are ideal for both modes. Their smooth, non-stick surface prevents material adhesion, even with slurry-type samples.
Q2: Are PTFE jars chemically stable with acids or alkalis?
A: Absolutely. PTFE is chemically inert to most acids, alkalis, and solvents, making it suitable for caustic and reactive material milling.
Q3: What grinding media should I use with PTFE jars?
A: Use zirconia or alumina balls for optimal chemical compatibility. Avoid metal-based media to prevent contamination.
Q4: Are PTFE jars temperature-resistant?
A: They maintain stability up to ~200 °C but should not be exposed to direct heating or flame. For higher temperatures, consider PEEK or alumina jars.
Q5: How do I maintain PTFE jars for long-term use?
A: Clean gently with ethanol or deionised water, avoid sharp tools, and store away from UV exposure. Check sealing gaskets periodically for wear.
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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