Phosphorescent Zinc Strontium Aluminate Glow Powder from Canada
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 — Canada → United States
11.3%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Afterglow duration certificates validate luminophore classification
• UL 924 listing documentation for emergency lighting applications
• Particle size distribution affects glow efficiency and classification