Borosilicate Hollow Glass Microspheres Type A from China
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 — China → United States
42.5%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
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