HVAC Rock Wool Roll from Japan
Rock wool rolls specifically for duct and pipe insulation in heating, ventilation, and air conditioning systems. In rolls under 6806.10.00 as basic mineral wool forms.
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
• Note if pre-formed for pipes; those are likely 6811
• Verify no metal mesh reinforcement, which changes classification
• Comply with ASHRAE standards documentation