Cellulase Laundry Detergent Additive from China
Cellulase enzymes enhance laundry detergents by removing cotton fuzz and color brightening. HTS 3507.90.70.00 covers this as other prepared enzymes, not as washing preparations of Chapter 34.
Duty Rate — China → United States
37.5%
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
• Document low surfactant content (<10%) to avoid Chapter 34 detergent classification
• Specify 'pure enzyme concentrate' vs formulated detergent on commercial invoice
• Test for hardening per exclusion to rule out 3913 proteins