A RUBBER-BASED ARTICLE WITH LOW FLUID PERMEABILITY

An article that is not pneumatic tyre for a motor vehicle and that is suitable for use as at least a part of a pressurizable container or pipeline. The article comprises a first side that is, in use, configured to be exposed to a first environment and a second side that is, in use, configured to be exposed to a second environment. At least a part of the article comprises rubber-based material that is configured to restrict fluid permeability and that comprises lignin that has been treated by hydrothermal carbonization. The rubber-based material or a coating of the rubber-based material forms at least a part of the first side, and the first side is, in use, configured to be exposed to a higher pressure than the second side. A use of the article. A method for manufacturing the article.