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2-Mercaptobenzothiazole; andN-(Oxydiethylene)benzothiazole-2-sulfenamide

Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds: > Compounds containing in the structure a benzothiazole ring-system (whether or not hydrogenated), not further fused: > 2-Mercaptobenzothiazole; andN-(Oxydiethylene)benzothiazole-2-sulfenamide

Duty Rate (from China)

41.5%
MFN Base Rate6.5%
9903.03.01+10%

Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter

9903.88.03+25%

Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)

Total Effective Rate41.5%
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Products classified under HTS 2934.20.15.00

2-Mercaptobenzothiazole (MBT) Powder

2-Mercaptobenzothiazole is a heterocyclic compound containing a benzothiazole ring system, specifically listed under HTS 2934.20.1500. It is primarily used as an accelerator in rubber vulcanization processes to enhance curing speed and performance.

N-(Oxydiethylene)benzothiazole-2-sulfenamide (NOBS) Crystals

NOBS is a delayed-action sulfenamide accelerator containing the specified benzothiazole ring system, explicitly named in HTS 2934.20.1500. It provides scorch safety and fast curing in rubber compounds, especially for thick sections.

2-Mercaptobenzothiazole Industrial Grade 98%

High-purity industrial grade 2-Mercaptobenzothiazole at 98% minimum assay, qualifying as a chemically defined compound under HTS 2934.20.1500. Used in tire manufacturing and rubber belt production for optimal cross-linking.

CBS Benzothiazole Sulfenamide Accelerator

CBS (CZ) is N-Cyclohexyl-2-benzothiazole sulfenamide, chemically related to named NOBS in HTS 2934.20.1500 via benzothiazole structure. Provides excellent processing safety for automotive rubber components.

MBTS Dibenzothiazole Disulfide

MBTS, derived from 2-Mercaptobenzothiazole, contains two benzothiazole rings linked by disulfide bond, qualifying under HTS 2934.20.1500 provisions. Slow-curing accelerator used in EPDM rubber formulations.

NOBS MBS Rubber Accelerator 95% Powder

MBS (MOR) is 2-(Morpholinothio)benzothiazole, a sulfenamide accelerator analogous to named NOBS under HTS 2934.20.1500. Provides balanced cure rate and scorch resistance for conveyor belts.