Diphenyl Sulfone from Germany
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 — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Melting point 124-126°C confirms engineering grade
• Low moisture (<0.1%) critical for polymerization applications
• Glass transition modifiers require additive disclosure