HSN Code 5901 refers to "Textile fabrics coated with gum or amylaceous substances, of a kind used for the outer covers of books, the manufacture of boxes and articles of cardboard or the like; tracing cloth; prepared painting canvas; buckram and similar stiffened textile fabrics of a kind used for hat foundations (excluding plastic-coated textile fabrics)." This classification code is essential for identifying coated textile fabrics and related items for import/export purposes based on their nature, composition, and intended use. Common products under HSN Code 5901 include book covers, tracing cloth, prepared painting canvas, buckram, and stiffened fabrics used in hat making. Additionally, the GST rate for these textile products under this code supports accurate trade compliance.