Polyisobutylene (PIB) Gum from Japan
Polyisobutylene, a synthetic rubber-like polyolefin from isobutylene monomer, imported as a viscous liquid or granules. The isobutylene units contribute over 95% by weight, classifying it under tariff item 3902.90.00 as an other olefin polymer.
Duty Rate — Japan → Canada
0%
Import Tips
• Specify the physical form (liquid or granules) on the customs declaration
• Provide monomer composition data to support classification
• Check if the product is subject to any synthetic rubber regulations