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API Petroleum Hydrometer from Japan

American Petroleum Institute (API) scale hydrometer for crude oil and petroleum products. Classified HTS 9025.80.20.00 as non-recording floating density instrument for energy sector. Temperature compensation built into scale design.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

Import Tips

ASTM calibration certificates mandatory for petroleum industry import compliance and quality assurance

Declare temperature range (e.g

60°F API) precisely to match correct HTS subheading

Hydrocarbon-resistant materials must be documented to prevent reclassification as general labware