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Underlayment MDF 6.35mm from Mexico

Thin MDF sheets for flooring underlayment, 6.35mm thickness with tongue-and-groove edges. Medium density fiberboard per HTS 4411.13.90.90 'Other'. Provides soundproofing and leveling.

Duty Rate — Mexico → United States

13.9%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

Import Tips

Include impact insulation class (IIC) ratings for flooring applications

Protect edges during shipping to maintain tongue-groove integrity for classification

Distinguish from OSB (4412.33) via fiber uniformity lab reports