Cell Lab High-Purity Zirconia (ZrO₂) Crucible [15mL - 100mL, High Form]
Cell Lab High-Purity Zirconia (ZrO₂) Crucible [15mL - 100mL, High Form] For ultra-high-temperature melting, alloy casting and advanced material sintering General Description Cell Lab high-purity zirconia (ZrO₂) crucibles are designed for extreme-temperature applications where alumina crucibles reach their limits. With...
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Description
xCell Lab High-Purity Zirconia (ZrO₂) Crucible [15mL - 100mL, High Form]
For ultra-high-temperature melting, alloy casting and advanced material sintering
General Description
Cell Lab high-purity zirconia (ZrO₂) crucibles are designed for extreme-temperature applications where alumina crucibles reach their limits. With an exceptional melting point above 2100 °C, zirconia exhibits outstanding wear, corrosion and thermal-shock resistance. These crucibles are ideal for melting precious metals, super-alloys, and high-temperature oxides that require stability and purity beyond 1600 °C.
Each crucible is precision-formed for uniform wall thickness and strength, ensuring reliability in both laboratory and industrial furnaces. When used with compatible lids, they provide superior containment and thermal uniformity for sintering, calcination and crystal growth.
Key Features
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Ultra-high temperature resistance — up to 2100 °C: Suitable for vacuum or nitrogen environments where alumina crucibles fail.
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Superior chemical stability: Resists corrosion by molten metals, slags and aggressive chemicals.
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Exceptional mechanical strength: High fracture toughness ensures long service life under repeated heating cycles.
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Precision-engineered geometry: Provides even heat distribution and consistent melting results.
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Customisable dimensions: Tailored sizes and matching covers available upon request for specialised setups.
Technical Specifications
| Property | Specification |
|---|---|
| Material Purity | > 99 % ZrO₂ |
| Maximum Temperature | 1800 °C (in air); 2100 °C (in nitrogen or vacuum) |
| Form | High Form Cylindrical Crucible |
| Available Capacities (mL) | 15 / 30 / 50 / 100 mL |
| Dimensions (mm) | See table below |
| Customisation | Dimensions and tight tolerance available upon request |
| Compatibility | Optional alumina or zirconia cover available separately |
| Warranty | Consumable product; manufacturing defects only within 1 week after delivery |
Dimensional Reference Table
| SKU # | Capacity (mL) | Top Dia. (mm) | Bottom Dia. (mm) | Height (mm) |
|---|---|---|---|---|
| CL0802 | 15 | 32 | 23 | 33 |
| CL0803 | 30 | 38 | 25 | 45 |
| CL0804 | 50 | 48 | 30 | 52 |
| CL0805 | 100 | 58 | 35 | 68 |
Applications & Industries
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Precious-metal melting and casting
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Super-alloy and refractory metal processing
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Advanced ceramics and crystal growth
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Chemical calcination and high-temperature sintering
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Laboratory furnace and vacuum thermal experiments
FAQ
Q1: What makes zirconia crucibles better than alumina?
A1: Zirconia endures higher temperatures (> 2100 °C) and offers greater chemical stability, making it ideal for precious-metal and super-alloy work.
Q2: Can these crucibles be used in air?
A2: Yes — up to 1800 °C in air. For higher temperatures, a nitrogen or vacuum environment is recommended.
Q3: Do they require pre-heating before use?
A3: Yes. Dry in an oven at 105 °C for 2 hours to remove moisture before the first use.
Q4: Can I purchase lids separately?
A4: Yes. Cell Lab offers matching zirconia or alumina covers for improved containment and heat efficiency.
Q5: Are these crucibles reusable?
A5: Yes, but as consumables they will gradually degrade with use — especially under rapid thermal cycling or aggressive chemistries.
Shipping & Return
xReturns Policy
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.
Shipping
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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