NBR Masterbatch (Rubber Base) from Canada
NBR masterbatch with minimal permitted additives, retaining primary rubber character for hose extrusion. HTS 4002.59.00.00 allows small processing aids per Note 5(b).
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• List all additives with percentages to verify Note 5(b) compliance
• Rubber content >90% typically maintains primary classification
• Avoid 'ready-to-cure' descriptions suggesting compounding