Technically Specified Natural Rubber Grade L (TSNR L) from Mexico
Technically Specified Natural Rubber (TSNR) Grade L is a standardized form of natural rubber from Hevea brasiliensis latex, processed into bales for industrial use. It meets specific technical specifications for viscosity, dirt content, and ash levels as defined in Chapter 40 notes for primary forms. Classified under HTS 4001.22.00.15 due to its status as TSNR Grade L in bale form, excluding any compounding with vulcanizing agents or fillers.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Verify supplier certification confirming TSNR L specs (e.g
• Mooney viscosity, dirt content) to avoid reclassification as unstandardized rubber
• Provide lab test reports for primary form compliance; bales must not exceed permitted additives per Chapter 40 note 5