Benzothiazyl Disulfide (MBTS) from Canada
MBTS acts as a retarder and primary accelerator in rubber compounds requiring controlled curing rates. Though benzothiazole-based, certain delayed-action forms principally for rubber classify under 2930.20.90.20 as thiuram/dithiocarbamate analogs.
Duty Rate — Canada → United States
100%
Rate breakdown
9903.04.6096.3%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Submit comparative FDA 21 CFR 177.2600 compliance data