Plastic Shank Reinforcements from Japan
Narrow plastic strips inserted lengthwise in shoe arches for stability. These TPU or nylon plastic shanks classify under 6406.90.30 as essential footwear parts of plastics.
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
• Include engineering specs showing flex modulus for arch support validation
• Ship disassembled from other parts to maintain 'parts' status
• Watch for steel shanks reclassifying to metal subheadings