Sanitized TMQ Rubber Stabilizer for Medical Tubing
Sanitized TMQ rubber stabilizer for medical tubing, a purified mixture of 2,2,4-trimethyl-1,2-dihydroquinoline oligomers that prevents oxidative failure in pharmaceutical-grade rubber. This product falls under 3812.31.00 as a mixture of TMQ oligomers serving as an anti-oxidizing preparation for rubber.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the stabilizer contains other anti-oxidants or processing aids beyond TMQ oligomers
Other compound stabilizers for rubber or plastics not specifically covered by 3812.31.00.
If the product is imported as finished medical tubing rather than as a stabilizer
Other articles of vulcanised rubber, not elsewhere specified, are classified in Chapter 40.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Ensure the product meets Health Canada requirements for materials in medical devices if used in tubing
• Provide a certificate of analysis showing the oligomer composition to CBSA
• Verify if the product requires a medical device license or just a general import declaration
Related Products under Tariff item 3812.31.00
Polymerized TMQ Antioxidant for Tires (Grade 224)
Polymerized TMQ antioxidant in Grade 224, composed of high-molecular-weight oligomers of 2,2,4-trimethyl-1,2-dihydroquinoline, used to protect tire carcass rubber from oxidative aging and flex cracking. This product falls under tariff item 3812.31.00 as a mixture of TMQ oligomers serving as an anti-oxidizing preparation for rubber.
RD-TMQ Oligomer Mixture for Conveyor Belts
RD-TMQ oligomer mixture for conveyor belts, consisting of polymerized 2,2,4-trimethyl-1,2-dihydroquinoline oligomers that protect rubber from flex cracking and aging. This product is classified under 3812.31.00 as a mixture of TMQ oligomers used as an anti-oxidizing preparation for rubber.
TMQ-8 Rubber Aging Preventer Oligomers
TMQ-8 rubber aging preventer oligomers, an industrial mixture of 2,2,4-trimethyl-1,2-dihydroquinoline oligomers used in automotive hoses and seals for oxidation protection. This product is classified under 3812.31.00 as a mixture of TMQ oligomers used as an anti-oxidizing preparation for rubber.
TMQ Rubber Antioxidant 2,2,4-Trimethyl-1,2-Dihydroquinoline Oligomers
TMQ rubber antioxidant consisting of a specific mixture of oligomers based on 2,2,4-trimethyl-1,2-dihydroquinoline, used to protect rubber from oxidative degradation during processing and service. This product falls under 3812.31.00 as a mixture of TMQ oligomers serving as an anti-oxidizing preparation for rubber.
Vulkanox HS Rubber Stabilizer TMQ
Vulkanox HS rubber stabilizer TMQ, a commercial-grade mixture of 2,2,4-trimethyl-1,2-dihydroquinoline oligomers designed for tire and rubber compounding, providing long-term heat and oxidation resistance. This product is classified under 3812.31.00 as a mixture of TMQ oligomers used as an anti-oxidizing preparation for rubber.