Ribbed Smoked Sheets (RSS1) from Mexico
High-quality natural rubber smoked sheets graded as RSS1, produced by coagulating latex from Hevea brasiliensis, rolling into ribbed sheets, and smoke-drying over wood fires. Classified under HTS 4001.21.00 as smoked sheets in primary form, retaining essential character as raw material without vulcanizing agents or fillers beyond permitted additives.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Verify supplier certifications for RSS grade (e.g
• RSS1 minimum 93% DRC, clean sheets) to meet quality standards and avoid reclassification
• Ensure documentation confirms no vulcanizing agents, pigments, or extenders added beyond note 5(b) allowances to remain in primary form