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High Corrosion Resistance and Stability for Thin-Film and Semiconductor Applications
Cell Lab Grade 702 Zirconium (Zr) Pellets are premium-quality evaporation materials engineered for thin-film deposition, semiconductor fabrication, and optical coatings. Known for their silvery-white metallic lustre, these pellets exhibit exceptional corrosion resistance due to the formation of a stable zirconium oxide layer. Resistant to most acids and alkalis (excluding hydrofluoric acid), Grade 702 zirconium offers outstanding stability under vacuum conditions and high temperatures, making it a preferred choice in advanced coating and nuclear research applications.
Exceptional Corrosion Resistance – Naturally forms a stable oxide film, ideal for aggressive chemical and high-temperature environments.
High Thermal and Mechanical Stability – Withstands extreme thermal stress during e-beam and vacuum evaporation.
Excellent Purity (Grade 702) – Ensures consistent thin-film quality and minimal contamination.
Versatile Application Range – Suitable for semiconductor coatings, optical films, and data storage media.
Customisable Options – Dimensions and purity grades available on request to meet specific research or industrial requirements.
| Parameter | Specification |
|---|---|
| Name | Zirconium |
| Chemical Formula | Zr |
| CAS Number | 7440-67-7 |
| Atomic Number | 40 |
| Molecular Weight | 91.224 g/mol |
| Appearance | Silvery White, Metallic |
| Purity | Grade 702 |
| Thermal Conductivity | 22.7 W/m·K |
| Melting Point | 1852 °C |
| Coefficient of Thermal Expansion | 5.7 × 10⁻⁶ /K |
| Theoretical Density | 6.49 g/cm³ |
| Z Ratio | 0.6 |
| E-Beam Compatibility | Excellent |
| Thermal Evaporation Boat | Tungsten (W) |
| Temperature for Given Vapour Pressure (Torr) | 10⁻⁸: 1477 °C · 10⁻⁶: 1702 °C · 10⁻⁴: 1987 °C |
Semiconductor thin-film deposition
Optical coatings and data storage devices
Corrosion-resistant component manufacturing
Research in nuclear and chemical industries
Metallurgical and material science development
Q1: What is Grade 702 zirconium used for?
It is commonly used in thin-film evaporation, nuclear reactor components, and chemical processing due to its high corrosion and temperature resistance.
Q2: Can these pellets be used in both e-beam and thermal evaporation systems?
Yes. Grade 702 zirconium exhibits excellent performance in both techniques, ensuring stable and uniform evaporation.
Q3: What crucibles are compatible with zirconium evaporation?
Tungsten (W) boats or TiB₂-BN crucibles are recommended for optimal results.
Q4: Are custom pellet sizes and purity levels available?
Yes. Cell Lab offers tailored dimensions and higher purity zirconium upon request for R&D or production applications.
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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