Section 05 Mineral products 25 Salt; sulphur; earths and stone; plastering materials, lime and cement 25 14 Slate, crude, roughly trimmed or merely cut 25 14 00 Slate, whether or not roughly trimmed or merely cut, by sawing or otherwise, into ... Commodity Code Description 25 14 00 00 Slate, whether or not roughly trimmed or merely cut, by sawing or otherwise, into ...