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Last update : 2025/05/01

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No.	TEC- 1284(889kb)	Contact.	SVD	Issued on.	23 December 2022
	This tech became null and void 22 February 2023.
Sub.	Issuance of AFS Certificate in accordance with the amendment of the AFS Convention to add the Cybutryne to the list of banned substances

As announced in ClassNK Technical Information No.TEC-1245, at the 76th Meeting of the IMO Marine Environment Protection Committee (MEPC76) held in June 2021, an amendment to the AFS Convention was adopted to add Cybutryne (CAS No. 28159-98-0), which has been newly identified as a hazardous substance, to the list of banned substances. This amendment shall apply from 1 January 2023, and in the case of ships* with antifouling systems containing Cybutryne as of the effective date, such antifouling systems shall be removed or covered with a sealer coat deemed appropriate by the Society up to the following (a) or (b), whichever is earlier: (a) 60 months following the last application to the ship of an anti-fouling system containing Cybutryne (b) The next sche.....

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