</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →
3214.10.00.20/Silicone-Based Glazier's Putty/Mexico

Silicone-Based Glazier's Putty from Mexico

A mastic compound used by glaziers to seal glass panes in window frames, providing waterproofing and adhesion. It falls under HTS 3214.10.00.20 as a glazier's putty, a non-refractory mastic for sealing purposes. This product is distinct from bituminous mastics excluded by chapter notes.

Duty Rate — Mexico → United States

13.7%

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

• Verify composition to ensure it qualifies as non-bituminous mastic, avoiding exclusion under chapter note (c)

• Provide safety data sheets (SDS) for VOC content to comply with EPA import regulations

• Label containers with curing time and application temperature to prevent customs reclassification as paint

Silicone-Based Glazier's Putty from Mexico — Import Duty Rate | HTS 3214.10.00.20