PP Lab Fume Hood Duct Pipe from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
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