04 Apr Hoffmann Green cement becomes the first clinker-free cement in the world to be validated under ATEx Case A by the CSTB HomeNewsHoffmann Green cement becomes the first clinker-free cement in the world to be validated under ATEx Case A by the CSTB Technical Approval (ATEx of case A) delivered by the CSTB for a large number of structures 100-year service life Extended environmental classes for indoor and outdoor use >> Full press release accessible here
