Diphenyldichlorosilane 98% Technical Grade from China
Technical grade diphenyldichlorosilane at 98% purity with minor impurities, remains classified under HTS 2931.90.0500 per Chapter 29 note (a) allowing impurities in chemically defined compounds. Used in industrial silicone rubber compounding and surface modification applications.
Duty Rate — China → United States
12.5%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Impurities must not exceed 2% and must be declared; excessive impurities trigger reclassification
• Use stainless steel containers to prevent reaction with moisture during ocean transport
• Pre-clear with CBP if stabilizer added exceeds Chapter 29 note (f) preservation limits