Dolime-Based Heat Insulation Boards from Japan
Rigid insulation panels made from dolime aggregates for high-temperature industrial ovens. Falls under HTS 6815.91.00 for dolomite/dolime content in fabricated form. Lightweight alternative to fiber insulation in petrochemical plants.
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
• Test for dolime content vs. cement to avoid Chapter 68 cement misclassification
• Include thermal conductivity specs for end-use verification
• Ensure boards exceed 25mm thickness to qualify as articles