PVC Foam/Polypropylene Roofing Underlayment from Japan
Cellular PVC sheet laminated to spunbond polypropylene for roofing membrane substrate. HTS 3921.12.1950 covers these other combined cellular sheets. Moisture vapor transmission with physical protection.
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
• Provide ASTM test results for water resistance and vapor permeability
• Document manufacturing process showing PVC/textile inseparability
• Avoid bulk packaging declaration risking heading 3923 plastic articles