What is the sodium content of low sodium tabular alumina?

The sodium content of low – sodium tabular alumina is usually not higher than 0.2%.

Typically, the alumina content of low – sodium tabular alumina is not less than 99.3%, and the sodium content is not higher than 0.2%. For some low – sodium tabular alumina with higher requirements, the sodium content can be lower than 0.1%. There is also an ultra – low – sodium tabular sintered alumina, whose sodium content is required to be below 0.05%.