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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