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2528.00.00.05/Ulexite Sodium Borate Lumps/Japan

Ulexite Sodium Borate Lumps from Japan

Lump-form concentrate of ulexite, a fibrous sodium borate mineral used in fiberglass production. Falls under HTS 2528.00.0005 as natural sodium borate not separated from brine, in minimally processed lump state. Ideal for controlled dissolution in manufacturing.

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

• Document lump size and purity levels; inspect for foreign matter like clay

• Use sturdy bulk bags to prevent breakage during ocean freight