N990 Thermal Carbon Black from Canada
N990 is a specific grade of thermal carbon black with large particle size (280 nm) and low structure, ideal for non-reinforcing rubber applications. It falls under HTS 2803.00.0010 as pure carbon black, providing electrical conductivity without affecting rubber processing. Used in wire insulation and belts.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• ASTM D-1618 specs confirm N990 grade classification
• Low DBP absorption (<45 ml/100g) distinguishes thermal from furnace blacks