ADCA Foaming Agent Powder from China
High-purity 1,1'-Azobisformamide powder (ADCA) designed for controlled gas release in polymer foam processing, typically used at 0.5-3% loading levels. Essential for creating microcellular structures in profiles, sheets, and molded goods. HTS 2927.00.15.00 applies as the explicitly named separate chemically defined organic azo-compound.
Duty Rate — China → United States
41.2%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Include decomposition temperature specs (195-205°C) in documentation; Confirm no biurea impurities >1% which could trigger different purity classification; Watch for country-specific food contact restrictions despite industrial classification