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.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If mixtures containing modified aromatic stabilizers beyond diaryl types
Other specific aromatic/modified mixtures have separate 3812.39.5000 provisions.
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Import Tips & Compliance
• Ratio analysis must show diaryl-p-phenylenediamines as principal constituents
• Proper Incoterms for chemical tanker shipments
• Avoid plastic-specific labeling
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.
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.
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.