HSN Code 3212 refers to "Pigments, incl. metallic powders and flakes, dispersed in non-aqueous media, in liquid or paste form, of a kind used in the manufacture of paints; stamping foils of a kind used in the printing of book bindings or hatband leather; colorants and other colouring matter, n.e.s. put up for retail sale." This classification code is essential for identifying pigments and colorants for import/export purposes based on their nature, composition, and intended use. Common products under HSN Code 3212 include liquid pigments, paste pigments, metallic powders, stamping foils, and retail colorants. Additionally, the GST rate for pigments and colorants under this code ensures accurate trade compliance.