Division 1 This chapter does not cover:

separate chemically defined elements or compounds (except those of heading 3203 or 3204, inorganic products of a kind used as luminophores (heading 3206), glass obtained from fused quartz or other fused silica in the forms provided for in heading 3207, and also dyes and other colouring matter put up in forms or packings for retail sale of heading 3212);

tannates or other tannin derivatives of products of headings 2936 to 2939, 2941 or 3501 to 3504; or

mastics of asphalt or other bituminous mastics (heading 2715).