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Industrial Coating Flame Retardant Concentrate from Canada

High-concentration phosphonate mixture for intumescent coatings on steel structures and wood panels, matching 3824.91.00.00 substance requirements. Forms protective char layer during fire exposure. Classified as chemical preparation due to predominant specified phosphonate content.

Duty Rate — Canada → United States

15%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

Import Tips

Include fire test data (ASTM E84, etc.) supporting industrial coating application

Segregate from pesticide mixtures to avoid 3808 scrutiny