Rubber-Based Silicone Caulking Compound from China
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 — China → United States
37.5%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
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