Section 06 PRODUCTS OF THE CHEMICAL OR ALLIED INDUSTRIES 38 Miscellaneous chemical products 38 18 Chemical elements doped for use in electronics, in the form of discs, wafers or 38 18 00 Chemical elements doped for use in electronics, in the form of discs, wafers or simil Commodity Code Description 38 18 00 00 Chemical elements doped for use in electronics, in the form of discs, wafers or simil