Kernite Sodium Borate Concentrate from Germany
Kernite is a naturally occurring sodium borate mineral (Na2B4O7·4H2O) mined and concentrated for use in detergents and agriculture. Classified under HTS 2528.00.0005 as a natural sodium borate concentrate, not derived from brine separation. It provides a key source of boric oxide for various industries.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Obtain geological origin certificates proving natural mining source; test for H3BO3 content to ensure compliance with statistical note exclusions
• Beware of fines for undeclared moisture content affecting dry weight calculations