Tellurium Diethyldithiocarbamate (TDEC)
TDEC functions as a specialty ultra-accelerator providing rapid vulcanization in butyl rubber compounds for tire inner liners. As an organo-sulfur dithiocarbamate principally for rubber processing, it classifies under 2930.20.90.20 per Chapter 29 heading structure. Its tellurium content enhances curing efficiency.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If principally organo-tellurium compound
Chapter 29 notes specify organo-inorganic compounds with metals like tellurium classify under 2931 if not principally dithiocarbamate character.
If sold as metal extraction reagent
Salts of dithiocarbamic acids used principally for metallurgical recovery classify as inorganic salts rather than rubber chemicals.
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Import Tips & Compliance
• Provide comparative technical data vs zinc analogs to establish rubber processing principal use
• Include REACH/ TSCA compliance documentation for tellurium compounds
• Label clearly to distinguish from general organo-metallic compounds under heading 2931
Related Products under HTS 2930.20.90.20
Zinc Diethyldithiocarbamate (ZDEC)
ZDEC is a dithiocarbamate accelerator used principally in rubber vulcanization to speed up the curing process with sulfur. As a thiocarbamate/dithiocarbamate compound under heading 2930.20, it falls into 2930.20.90.20 when primarily used in rubber processing rather than general applications. It provides excellent fast vulcanization properties for natural and synthetic rubbers.
Zinc Dibutyldithiocarbamate (ZDBC)
ZDBC serves as an ultra-accelerator in rubber compounding, particularly effective in low-sulfur systems for tire manufacturing. Classified under HTS 2930.20.90.20 as a dithiocarbamate principally used in rubber processing per Chapter 29 heading 2930.20 structure. It offers non-blooming properties ideal for high-quality rubber products.
Sodium Dibutyldithiocarbamate
This water-soluble dithiocarbamate acts as a primary accelerator and activator in latex rubber processing for dipped goods like gloves. HTS 2930.20.90.20 applies to such thiocarbamates principally used in rubber per Chapter 29 inorganic salt classification rules. It facilitates fast curing in natural rubber latex systems.
Piperidinium Pentamethylene Dithiocarbamate
This delayed-action dithiocarbamate accelerator provides scorch safety in rubber extrusion processes for automotive parts. HTS 2930.20.90.20 covers such thiocarbamates principally employed in rubber vulcanization per Chapter 29 classification hierarchy. It balances processing safety with final cure speed.
Copper Dibutyldithiocarbamate
Used as an anti-oxidant and secondary accelerator in colored rubber compounds where metal staining must be avoided. This dithiocarbamate qualifies for 2930.20.90.20 as principally a rubber processing chemical under Chapter 29 organo-sulfur provisions. Provides thermal aging resistance.
Tetramethylthiuram Disulfide (TMTD)
TMTD functions as both accelerator and sulfur donor in low-sulfur rubber curing systems for belting and hose production. As a dithiocarbamate derivative principally for rubber processing, it falls under HTS 2930.20.90.20 per Chapter 29 thiocarbamate provisions.