Fire-Resistant Coating Additive Polyglycol Phosphonate from Germany
A reactive additive for intumescent fire-resistant coatings, consisting of polyglycol esters of methylphosphonic acid. Falls under HTS 3824.92.00.00 for its precise chemical identity as polyglycol esters of methylphosphonic acid. It promotes char formation during fire exposure for protective expansion.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include end-use statements for coatings to support classification and avoid paint additive scrutiny
• Ensure NFPA fire testing certifications accompany shipments for regulatory validation
• Distinguish from generic coating preparations in 3208/3209 via chemical specification