3917.22.00.00/PP Lab Fume Hood Duct Pipe/China

PP Lab Fume Hood Duct Pipe from China

Rigid polypropylene duct pipe for laboratory fume hood exhaust systems, resistant to acid vapors. HTS 3917.22.00.00 applies to its rigid tube form from propylene homopolymer. Used in chemical processing labs.

Duty Rate — China → United States

40.6%

Rate breakdown

9903.88.0225%Except as provided in headings 9903.88.12, 9903.88.17, 9903.88.20, 9903.88.54, 9903.88.59, 9903.88.61, 9903.88.63, 9903.88.66, 9903.88.67, 9903.88.68, 9903.88.69, or 9903.88.70, articles the product of China, as provided for in U.S. note 20(c) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(d)

9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

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Import Tips

• Provide fume hood compatibility specs to justify lab-grade classification

• Document wall thickness >5mm for rigid status

• Separate flanges/elbows for potential Free (C) import