GST Rate HSN Code for Ores, slag and ash Chapter26 ClearTax
18%. 01/07/2017. . SLAG, ASH AND RESIDUES (OTHER THAN FROM THE MANUFACTURE OF IRON OR STEEL), CONTAINING ARSENIC, METALS OR THEIR COMPOUNDS CONTAINING ARSENIC, MERCURY, THALLIUM OR THEIR MIXTURES, OF A KIND USED FOR THE EXTRACTION OF ARSENIC OR THOSE METALS OR FOR THE MANU. 18%. 01/07/2017.