Phosphorescent Zinc Strontium Aluminate Glow Powder from China
Long-persistence zinc-activated strontium aluminate for exit signs and safety markings. Zinc oxide base qualifies for HTS 3206.49.30.00 luminophores. Glows 10+ hours after light exposure.
Duty Rate — China → United States
38.8%
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
• Afterglow duration certificates validate luminophore classification
• UL 924 listing documentation for emergency lighting applications
• Particle size distribution affects glow efficiency and classification