Wallboard Joint Compound from Japan
Wallboard joint compound, or 'mud,' is a gypsum-based mastic for taping drywall seams. It provides smooth, paint-ready surfaces under HTS 3214.10.00 as painters' filling.
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
• Specify gypsum vs vinyl formula to avoid Chapter 68 confusion
• Include mold/mildew resistance documentation if claimed
• Declare bucket sizes to distinguish pro vs retail packaging