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HNBR O-Ring for Oilfield Downhole Tools from China

Hydrogenated nitrile HNBR O-ring for high-pressure seals in oil/gas downhole drilling tools. HTS 4016.93.50.10 for vulcanized rubber O-rings enduring H2S/CO2 environments. API 6A compliant.

Duty Rate — China → United States

37.5%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 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(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)

Import Tips

NACE MR0175/ISO 15156 sour service certification essential

Pressure/temperature rating documentation (up to 15,000 psi/350°F)

Avoid 'drilling equipment part' descriptions triggering Chapter 84