Butyl Rubber Latex Dispersion from Japan
A liquid dispersion of isobutene-isoprene (butyl) rubber (IIR) in water, used for dipping and coating applications in manufacturing gloves and balloons. It qualifies under HTS 4002.31.00.00 as synthetic rubber in primary form (latex), meeting chapter note definitions for prevulcanized dispersions without prohibited compounding agents.
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
• Verify the product is uncompounded per chapter note 5(a), with only permitted additives like emulsifiers to avoid reclassification
• Provide chemical composition certificates confirming IIR content and absence of vulcanizing agents or fillers
• Ensure proper labeling as 'primary form' to prevent customs disputes over processing state