34021900 under HS Code ORGANIC SURFACE-ACTIVE AGENTS (OTHER THAN SOAP), SURFACE-ACTIVE PREPARATIONS, WASHING PREPARATIONS (INCLUDING AUXILIARY WASHING PREPARATIONS) AND CLEANING PREPARATIONS, WHETHER OR NOT CONTAINING SOAP, OTHER THAN THOSE OF HEADING 3401 ORGANIC SURFACE-ACTIVE AGENTS, WHETHER OR NOT PUT UP FOR RETAIL SALE: OTHER, 34029019 under HS Code ORGANIC SURFACE-ACTIVE AGENTS (OTHER THAN SOAP), SURFACE-ACTIVE PREPARATIONS, WASHING PREPARATIONS (INCLUDING AUXILIARY WASHING PREPARATIONS) AND CLEANING PREPARATIONS, WHETHER OR NOT CONTAINING SOAP, OTHER THAN THOSE OF HEADING 3401 OTHER: SYNTHETIC DETERGENTS: OTHER, and 40021990 under HS Code SYNTHETIC RUBBER AND FACTICE DERIVED FROM OILS, IN PRIMARY FORMS OR IN PLATES, SHEETS OR STRIP; MIXTURES OF ANY PRODUCT OF HEADING 4001 WITH ANY PRODUCT OF THIS HEADING, IN PRIMARY FORMS OR IN PLATES, SHEETS OR STRIP - STYRENE-BUTADIENE RUBBER (SBR); CARBOXYLATED STYRENE-BUTADIENE RUBBER (XSBR) : - OTHER : OTHER were the top imported HS Codes by SPECTRUM CHEMICALS in 2021.