Strontium Aluminate Glow Powder from Mexico
Strontium aluminate glow powder is a long-persistent inorganic luminophore for emergency exit signs and novelty paints. Classified under HTS 3206.49.60 as 'other' inorganic products used as luminophores, per chapter note 3 to this chapter. It provides blue-green afterglow lasting up to 12 hours after light exposure.
Duty Rate — Mexico → United States
13.1%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Obtain TSCA pre-manufacture notice if new chemical variant; most commercial grades are registered
• Test for persistent luminescence duration to confirm classification as luminophore vs regular pigment
• Avoid bulk packaging over 25kg to prevent hazmat shipping surcharges during import