Semitron LCP 4100 Resin from Japan
Semitron LCP 4100 is a high-performance thermoplastic liquid crystal aromatic polyester copolymer designed for ESD applications in electronics manufacturing. It qualifies for HTS 3907.99.2000 as it consists of over 95% aromatic polyester monomer units forming liquid crystal domains. Ideal for wafer handling and precision components requiring static dissipation.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Document ESD properties and conductivity specifications separately from polymer classification
• Ensure packaging prevents moisture absorption during ocean transit (use desiccant)
• Classify based on base polymer, not additives like carbon fillers