Rubber-Based Silicone Caulking Compound from Mexico
A sealant made from synthetic rubber polymers designed for sealing gaps in construction and bathroom applications. It falls under HTS 3214.90.10.00 as a caulking compound based on rubber, used for weatherproofing joints without refractory properties. This non-hardening mastic provides flexibility and adhesion on various surfaces.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Verify rubber content exceeds 50% by weight via lab testing for accurate classification under 3214.90.10.00
• Include Safety Data Sheets (SDS) and VOC compliance certifications for CBP clearance
• Avoid misclassification as paints by ensuring it's not dispersed in nonaqueous media per Chapter 32 notes