On May 7, 2026, LANXESS Corporation (“Petitioner”) filed petitions requesting the imposition of antidumping and countervailing duties on imports of N-Cyclohexylbenzothiazole-2-Sulfenamide (“CBS”) from the People’s Republic of China.
SCOPE OF THE INVESTIGATION
The proposed scope of these investigations is as follows:
The product subject to this investigation is N-Cyclohexylbenzothiazole-2- sulfenamide (“CBS”), also known as N-cyclohexyl-2- benzothiazolesulfenamide, N-(1,3-benzothiazol-2-ylsulfanyl) cyclohexanamine and N-cyclohexylbenzothiazol-2-sulphenamide. It may additionally be termed Accelerator CZ, CBTS, Thiohexam, HIP4, Curax, DURAX, Conaca, Conach, Conacs, or Celacs.
CBS is an organic compound used in the rubber industry as a delayed-action accelerator for rubber vulcanization. CBS is primarily used in the production of tires, but also used in the production of hoses, belts, and other rubber products. CBS accelerates the cross-linking of rubber molecules. Its use in rubber formulations reduces curing times during manufacturing, and it improves the elasticity and durability of the finished rubber products.
CBS is typically sold in an off-white or light gray powder, oiled powder, or granule with a melting point of 90 to 110°C and a molecular weight of 264.4 g/mol. CBS is soluble in benzene, but insoluble in water. It has the chemical formula C13H16N2S2 and is assigned the Chemical Abstract Service (“CAS”) registry No. 95-33-0. CBS is generally sold at an assay of 94 to 99 percent, minimum CBS content.
CBS powder, oiled powder, and granules are classified under subheading 2934.20.8000, HTSUS. CBS may also be classified as a mixture or blend with other accelerators, antioxidants, plasticizers, and fillers under subheadings 3812.10.1000 and 3812.10.5000, HTSUS. References to the HTSUS classification in this petition are provided for convenience and customs purposes, and the written description of the merchandise under investigation is dispositive regarding the scope of the investigation.
PETITIONERS
| LANXESS Corporation 111 RIDC Park West Drive Pittsburgh, PA 15275 Website: www.LANXESS.com Roy Varghese, Head of Rhein Chemie BU – Americas Phone: (412) 508-9053 Email: roy.varghese@LANXESS.com |
COUNSEL FOR PETITIONERS
| CASSIDY LEVY KENT (USA) LLP 2112 Pennsylvania Ave., NW, Suite 300 Washington, DC 20037 (202) 567-2300 |
NAMED PRODUCERS/EXPORTERS
For a list of foreign producers/exporters alleged by Petitioners, please see Attachment I.
NAMED IMPORTERS
For a list of importers alleged by the Petitioner, please see Attachment II.
ESTIMATED SCHEDULE
| Event | Earliest Date |
| Petition Filed | May 7, 2026 |
| DOC Initiation | May 27, 2026 |
| ITC Preliminary Investigation: | |
| Questionnaires Due | May 21, 2026 |
| Request to appear at hearing | May 26, 2026 |
| Hearing | May 28, 2026 |
| Briefs | May 31, 2026 |
| ITC Vote | June 21, 2026 |
| DOC Investigation Schedule: | |
| DOC Preliminary Antidumping Determination | October 14, 2026 |
| DOC Final Antidumping Determination | December 28, 2026 |
| DOC Preliminary Countervailing Determination | July 31, 2026 |
| DOC Final Countervailing Determination | October 14, 2026 |
| ITC Final Investigation: | |
| ITC Final AD Determination | February 11, 2027 |
| ITC Final CVD Determination | November 28, 2026 |
ALLEGED DUMPING MARGINS
China: 289.00% – 545.70%
ALLEGED COUNTERVAILING DUTY MARGINS
Above de minimis
ALLEGED SUBSIDIES
For a list of alleged subsidies by the Petitioner, please see Attachment III.
IMPORTS OF SUBJECT MERCHANDISE
The Petitioner marked the import values as confidential. Should the Petitioner make those numbers publicly available we will update this section.
CONTACT US
For more information concerning this petition and how it may affect your business, please contact Nithya Nagarajan or Stephen Brophy.