Description

Technical Parameters

99.99% 4n Purity Niobium Nb Crucible Customized Factory in China

Diameter(mm)	Thickness(mm)	Height(mm)	Surface finish	inner surface finish	inner bottom finish
30-50	2-10	≤200	≤Ra2.0	≤Ra2.4	≤Ra2.8
50-100	3-15	≤300	≤Ra2.0	≤Ra2.4	≤Ra2.8
100-150	3-15	≤350	≤Ra2.0	≤Ra2.4	≤Ra2.8
150-200	5-20	≤400	≤Ra2.0	≤Ra2.4	≤Ra2.8
200-300	8-25	≤500	≤Ra2.0	≤Ra2.4	≤Ra2.8
300-400	8-30	≤600	≤Ra2.0	≤Ra2.4	≤Ra2.8
400-450	8-30	≤650	≤Ra2.0	≤Ra2.4	≤Ra2.8
450-600	8-35	≤800	≤Ra2.0	≤Ra2.4	≤Ra2.8

What makes a pure niobium crucible (Nb) special?

A pure niobium crucible (Nb) is special due to its high - purity composition and the resulting unique properties.

High Purity: A pure niobium crucible typically has a niobium content of 99.9% or higher, often reaching 99.95% - 99.99%. This high purity means that there are minimal impurities such as oxygen, carbon, nitrogen, and iron. These impurities can have a significant impact on the performance of the crucible, and their absence in a pure niobium crucible ensures optimal properties.

Corrosion Resistance: The high purity of the niobium crucible gives it outstanding corrosion resistance. It can resist the attack of a wide range of chemicals, including acids, alkalis, and salts. This makes it suitable for use in corrosive environments, such as in the chemical industry for the processing of corrosive chemicals or in the research of chemical reactions in aggressive media.

Low Reactivity: Pure niobium is highly inert. It does not react with most materials, especially at high temperatures. This low reactivity is crucial when melting or holding reactive materials. For example, in the production of high - purity metals, the pure niobium crucible will not contaminate the molten metal with unwanted elements, ensuring the production of high - quality metals.

Thermal Stability: It has excellent thermal stability. The pure niobium crucible can withstand high temperatures without significant changes in its physical and chemical properties. It can maintain its shape and integrity at elevated temperatures, making it suitable for high - temperature processes such as the melting of high - melting - point metals and the synthesis of high - temperature materials.

Electrical and Thermal Conductivity: Pure niobium has good electrical and thermal conductivity. These properties are beneficial in some applications, such as in the production of electronic materials or in processes where heat transfer is important. The good electrical conductivity can also be useful in some electrochemical processes.

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Pure Niobium Crucible Nb

99.99% 4n Purity Niobium Nb Crucible Customized Factory in China

What makes a pure niobium crucible (Nb) special?