6806.90.00.90/Slag Wool Pipe Insulation/Japan

Slag Wool Pipe Insulation from Japan

Cylindrical jackets of resin-bonded slag wool for insulating steam pipes and HVAC ducts, reducing heat loss and noise. HTS 6806.90.00.90 covers this as a heat- and sound-insulating article of mineral wool.

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%

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Import Tips

• Measure wall thickness and ID/OD precisely for accurate HTS declaration

• ASME or ASTM certification aids in proving industrial insulation use

• Avoid foil jacketing that might trigger Chapter 76 aluminum classification