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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If when used as pesticide intermediate
Thiuram compounds (tetramethylthiuram derivatives) have separate subheadings; formulation intent determines pesticide vs rubber accelerator classification.
If containing significant alcohol impurities
Chapter 29 notes prioritize classification; alcohol-guanidine derivatives may shift to earlier acyclic alcohol headings if not principally dithiocarbamate.
If sold as rubber additive preparation
Chemical preparations containing principally dithiocarbamates for rubber vulcanization classify under heading 3812 rather than pure compounds.
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Import Tips & Compliance
• Submit manufacturer specifications showing rubber vulcanization as principal application to distinguish from agricultural fungicide uses
• Ensure COA (Certificate of Analysis) confirms chemical purity meeting Chapter 29 separate compound requirements
• Avoid bulk packaging that could suggest pesticide formulation, maintaining classification as pure organo-sulfur compound
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.
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.
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.
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.