BT-93W Wet-Cake Ethylenebistetrabromophthalimide from China
BT-93W is a wet-cake form of ethylenebistetrabromophthalimide containing minimal water for easier handling in flame retardant production. Still classified under HTS 2925.19.10.00 as the core chemically defined aromatic imide per chapter note (d) for water-dissolved products. Used in nylon compounding for electrical components.
Duty Rate — China → United States
19%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Document water content (<5%) to confirm chapter note (d) applicability; pitfall is treating as Chapter 28 inorganic salt
• Use moisture-proof liners in shipping containers
• Verify no anti-dusting agents exceed note (g) limits