Salgard BIT-20 Industrial Preservative from Mexico
Salgard BIT-20 contains 1,2-benzisothiazolin-3-one at 20% active concentration for microbial control in metalworking fluids. HTS 2934.99.09.00 classification applies due to the specific identification of this benzisothiazolone compound in the tariff.
Duty Rate — Mexico → United States
100%
Rate breakdown
9903.04.60100%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
• Include manufacturing process documentation proving chemical identity
• Comply with REACH registration if transshipping through EU
• Monitor shelf life declarations affecting duty-free small package exemptions