4,4'-Diaminodiphenylmethane (DADPM) from China
4,4'-Diaminodiphenylmethane (DADPM) is an aromatic polyamine used in polyurethane curing agents. Although it is not a phenylenediamine or diaminotoluene, it is a derivative of these compounds, and it falls under 2921.51.00 as an 'other' aromatic polyamine derivative.
Duty Rate — China → Canada
0%
Import Tips
• Verify the product's chemical structure, as DADPM is not a simple phenylenediamine but a derivative; the CBSA may require a detailed description
• Provide the product's end-use (e.g
• polyurethane curing) to support classification
• Check if the product is subject to any Canadian regulations on aromatic amines, such as the CEPA