Diphenylguanidine (DPG) Rubber Accelerator DPG from United States
Diphenylguanidine (DPG) rubber accelerator is commercial-grade N,N'-diphenylguanidine, a guanidine derivative used in rubber vulcanization. It is classified under tariff item 2925.29.00 as an 'Other' imine-function compound, with purity typically 95-99% and stabilizers permitted per Chapter 29 notes.
Duty Rate — United States → Canada
0%
Import Tips
• Specify the grade and purity of DPG on customs documents
• Ensure the product is labeled for industrial use
• Check if a Canadian chemical import permit is required