Diphenylguanidine (DPG) Rubber Accelerator DPG from Japan
Diphenylguanidine (DPG) is a commercial-grade rubber accelerator used in vulcanization processes, with purity typically 95-99% and stabilizers permitted under Chapter 29 notes. Its guanidine structure with imine functionality qualifies it under this tariff item for other imines and their derivatives.
Duty Rate — Japan → Canada
0%
Import Tips
• Specify the commercial grade and any stabilizers added on the invoice to align with Chapter 29 allowances
• Confirm whether the product meets Canadian rubber industry standards for import
• Maintain a certificate of analysis showing purity and stabilizer content for customs review