… and diatomite) and similar siliceous earths, whether or not calcined, of an apparent specific gravity of 1 or less. …
Explanatory notes
… and diatomite) and similar siliceous earths, whether or not calcined, of an apparent specific gravity of 1 or less. … This heading excludes activated diatomite, e.g., diatomite calcined with sintering agents such as sodium chloride or … carbonate ( heading 38.02 ). On the other hand, diatomite calcined (without the addition of other products) in order …