Porosimeter Electrical Control Board from Mexico
PCB control board for mercury porosimeters analyzing material porosity in research labs. HTS 9027.90.59 as electrical part for porosity checking instruments. Manages pressure sensors and data acquisition.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Declare chipsets and firmware details to prove analysis-specific programming
• Obtain EPA compliance statements for hazardous material testing equipment
• Avoid bulk electronics shipments mixed with general PCBs to prevent scrutiny