The Igor's LAB portal conducted a study of the radiators of some life-support systems and found that half of the participants represented in the sample did not meet the declared characteristics. The materials used in them differ from those indicated by the manufacturer on the official website and in advertising. Some manufacturers are cunning and use cheaper materials instead of expensive ones. Most often, the replacement is associated with the copper advertised in the LSS composition with a copper-zinc alloy, for example brass. Image source: Igor's LAB
Source: 3dnews.ru