Section 06 Products of the chemical or allied industries 38 Miscellaneous chemical products 38 24 Prepared binders; chemical products, nes; residual products and preparations, nes 38 24 40 Prepared additives for cements,mortars or concretes 38 24 40 00 Prepared additives for cements,mortars or concretes Commodity Code Description 38 24 40 00 000 Prepared additives for cements,mortars or concretes
