Quarry Delay Igniter from China
Multi-delay igniter series for patterned blasting in aggregate quarries, allowing precise rock fragmentation control. Categorized under HTS 3603.50.00.00.
Duty Rate — China → United States
20.2%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
9903.88.157.5%Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 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(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)
Import Tips
• Sequence delay codes (e.g
• 25ms, 50ms) must match invoice descriptions exactly
• Bond requirements higher for aggregate industry imports; pre-calculate
• Train staff on misfire procedures in safety declarations