… slack wax, ozokerite, lignite wax, peat wax, other mineral waxes, and similar products obtained by synthesis or by …
Explanatory notes
… slack wax, ozokerite, lignite wax, peat wax, other mineral waxes, and similar products obtained by synthesis or by … slack wax, ozokerite, lignite wax, peat wax, other mineral waxes, and similar products obtained by synthesis or by … ) wax and the product known as “Montan pitch” are ester waxes extracted from lignite. They are hard and dark when …