Vulkanox HS Rubber Stabilizer TMQ
Vulkanox HS is a commercial-grade mixture of 2,2,4-trimethyl-1,2-dihydroquinoline oligomers designed for tire and rubber compounding. It provides long-term heat and oxidation resistance, directly matching HTS 3812.31.00.00 for TMQ-based anti-oxidants used in rubber production.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If marketed primarily as compound plasticizer for plastics
Heading shifts to plasticizers if end-use is plastics rather than rubber stabilization.
If waste or residual TMQ mixtures from production
Contaminated or unfit residues may qualify as chemical waste under 3824 notes.
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Import Tips & Compliance
• Include technical data sheets proving >90% TMQ oligomer content to confirm specific subheading classification
• Label containers with UN numbers if classified as hazardous; TMQ mixtures often require DOT shipping papers
Related Products under HTS 3812.31.00.00
TMQ Rubber Antioxidant 2,2,4-Trimethyl-1,2-Dihydroquinoline Oligomers
This is a specific mixture of oligomers based on 2,2,4-trimethyl-1,2-dihydroquinoline (TMQ), used as an anti-oxidizing preparation for rubber products. It protects rubber from oxidative degradation during processing and service life, classified under HTS 3812.31.00.00 due to its exact chemical composition as mixtures of TMQ oligomers for rubber stabilization.
TMQ-8 Rubber Aging Preventer Oligomers
TMQ-8 is an industrial mixture of 2,2,4-trimethyl-1,2-dihydroquinoline oligomers applied in automotive hoses and seals for oxidation protection. It fits HTS 3812.31.00.00 exactly as specified for these rubber anti-oxidizing preparations.
RD-TMQ Oligomer Mixture for Conveyor Belts
RD-TMQ is a polymerized oligomer mixture of 2,2,4-trimethyl-1,2-dihydroquinoline for protecting conveyor belt rubber from flex cracking and aging. Classified precisely under 3812.31.00.00 as it consists solely of TMQ oligomers functioning as rubber stabilizers.
Polymerized TMQ Antioxidant for Tires (Grade 224)
Grade 224 polymerized TMQ consists of high-molecular-weight oligomers of 2,2,4-trimethyl-1,2-dihydroquinoline for tire carcass compounds. Its classification under HTS 3812.31.00.00 is based on the statutory definition for these specific rubber stabilizer mixtures.
Sanitized TMQ Rubber Stabilizer for Medical Tubing
This purified TMQ oligomer mixture is used in pharmaceutical-grade rubber tubing to prevent oxidative failure. It qualifies for HTS 3812.31.00.00 as mixtures of 2,2,4-trimethyl-1,2-dihydroquinoline oligomers serving as rubber anti-oxidants.