High Molecular Weight Butyl Rubber Crumbs from Japan
Crumbs of high MW isobutene-isoprene rubber for blending in conveyor belts. HTS 4002.31.00.00 for primary crumb form, complying with synthetic rubber vulcanization and recovery tests in chapter note 2(a).
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
• Lab tests for elongation/recovery properties mandatory for synthetic rubber proof
• Crumb size uniformity prevents reclass to waste under 4004
• Document MW specs for quality assurance in customs valuation