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Mineral Wool Preformed Pipe Insulation from Japan

Preformed cylindrical mineral wool insulation sleeves for steam and hot water pipes, offering high-temperature resistance and noise reduction. HTS 6806.10.00.60 covers such pipe-specific articles of heat/sound-insulating mineral wools, excluding chapter exclusions like coated textiles.

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

Label with exact mineral composition (e.g

% rock wool) and temperature rating for accurate HTS verification

Check for country-of-origin marking; common issue with blended fibers from multiple sources

Bundle with foil facing? Enter facing separately if it's a distinct plastic/metal layer under other chapters