Polyurethane Construction Caulk from Japan
Polyurethane construction caulk is a high-performance mastic for exterior building joints. It remains elastic under movement, classified under HTS 3214.10.00 as caulking compound.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Submit isocyanate content declaration for OSHA and EPA compliance
• Include joint movement capability ratings in technical specs
• Certify for ASTM C920 standards if claiming construction grade