Borosilicate Hollow Glass Microspheres Type A from Germany
Hollow borosilicate glass microspheres averaging 30-120 microns in diameter serve as lightweight fillers in syntactic foams for aerospace composites. Classified under HTS 7018.20.00.00 as glass microspheres ≤1 mm, excluding imitation pearls or lamp-worked ornaments.
Duty Rate — Germany → United States
15%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Include density and wall thickness specs in documentation; ensure 'hollow' nature doesn't trigger chemical treatment scrutiny; separate from solid beads to prevent mixing with heading 7018.10