N762 DPPD Rubber Stabilizer Blend
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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for use in rubber cement or adhesive preparations
Stabilizers in cement form classify under 3816 as prepared rubber adhesives.
If industrial chemical mixtures not specific to rubber stabilization
Broader chemical preparations without rubber/plastic focus go to 3824.99 residual.
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Import Tips & Compliance
• 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
Related Products under HTS 3812.39.20.00
6PPD Rubber Antioxidant Mixture
A mixture of N,N'-diaryl-p-phenylenediamine compounds, primarily 6PPD (N-(1,3-dimethylbutyl)-N'-phenyl-p-phenylenediamine), used as an antiozonant and antioxidant in tire manufacturing. It protects rubber from oxidative and ozone degradation during service. Classified under HTS 3812.39.2000 due to its composition as a mixture of specified diaryl-p-phenylenediamines for rubber stabilization.
IPPD Antioxidant Blend for Rubber
Mixture containing N-isopropyl-N'-phenyl-p-phenylenediamine (IPPD) and related diaryl-p-phenylenediamines, formulated for use in synthetic rubber compounds like NR and SBR. Provides long-term protection against thermal oxidation and flex cracking. Falls under HTS 3812.39.2000 as a specified mixture for rubber stabilization.
TMQDiaryl Amine Antioxidant Mixture
Polymerized 2,2,4-trimethyl-1,2-dihydroquinoline (TMQ) blended with N,N'-diaryl-p-phenylenediamines for synergistic rubber protection in conveyor belts and hoses. Offers heat aging resistance and atmospheric degradation prevention. HTS 3812.39.2000 classification based on diaryl-p-phenylenediamine mixture component.
Vulkanox HS/LG Diaryl Mixture
Commercial Vulkanox HS/LG formulation, a mixture of N,N'-diaryl-p-phenylenediamines for tire sidewalls and retreading compounds. Delivers superior antiozonant performance in dynamic applications. Precisely matches HTS 3812.39.2000 for rubber antioxidant mixtures.
PDE-6 Rubber Antiozonant Mixture
PDE-6 grade mixture of N,N'-bis(1,4-dimethylpentyl)-p-phenylenediamine and diaryl derivatives for truck tire treads. Provides protection against ozone cracking in service. Classified in HTS 3812.39.2000 as diaryl-p-phenylenediamine mixtures for rubber.
RD Antioxidant Diaryl Blend
RD (phenyl-α-naphthylamine + diaryl-p-phenylenediamine) mixture for natural rubber belting and transmission belts. Combines immediate and long-term protection. HTS 3812.39.2000 for the diaryl-p-phenylenediamine component dominance.