</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →
2511.20.00.00/Witherite Drilling Grade Additive/Mexico

Witherite Drilling Grade Additive from Mexico

Natural witherite processed to specific particle size for use as a weighting agent in oil well drilling fluids. HTS 2511.20.00.00 applies as it's unchanged natural barium carbonate, meeting industry specs for density control. Key component in high-pressure drilling operations.

Duty Rate — Mexico → United States

10%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Calculate with your customs valueVerify classification with AI

Import Tips

• Include API specification compliance certificates for drilling grade to support end-use declaration

• Document bulk density measurements as they relate directly to customs value assessment

• Beware of reclassification if blended with weighting agents like barite under mixtures rules

Witherite Drilling Grade Additive from Mexico — Import Duty Rate | HTS 2511.20.00.00