Phosphorescent Zinc Strontium Aluminate Glow Powder from Mexico
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 — Mexico → United States
11.3%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Afterglow duration certificates validate luminophore classification
• UL 924 listing documentation for emergency lighting applications
• Particle size distribution affects glow efficiency and classification