N762 DPPD Rubber Stabilizer Blend from Canada
N-(1,3-dimethylbutyl)-N'-phenyl-p-phenylenediamine (DPPD, 6PPD synonym) mixture designated as Antioxidant N762, used in EPDM rubber roofing and automotive seals. Prevents cracking from weather exposure. HTS 3812.39.2000 due to diaryl-p-phenylenediamine mixture specification.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Certify exact CAS numbers for diaryl components to validate classification
• Comply with state VOC regulations for volatile amine emissions
• Use binding rulings for complex formulations