2930.90.92.51/Diphenyl Sulfone/China

Diphenyl Sulfone from China

Diphenyl sulfone (DPS) is a high-temperature solvent and polymer intermediate used in polysulfone production. HTS 2930.90.92.51 classification as other organo-sulfur sulfone. White crystalline solid with 250°C+ stability.

Duty Rate — China → United States

3.7%

Rate breakdown

9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
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Import Tips

• Melting point 124-126°C confirms engineering grade

• Low moisture (<0.1%) critical for polymerization applications

• Glass transition modifiers require additive disclosure

Diphenyl Sulfone from China — Import Duty Rate | HTS 2930.90.92.51