Semitron LCP 4100 Resin from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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