Acoustic Wall Mastic Sealant from Mexico
Sound-dampening mastic for sealing drywall joints, non-hardening. HTS 3214.10.00.20 as wall surfacing mastic. Reduces noise transmission.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• ASTM E90 sound tests for claims
• Non-toxic certs for interior use
• Avoid 'foam' terms to stay mastic