10.26165/JUELICH-DATA/TEGXXL Belt, AlexanderArnold, LukasDe Lannoye, KarenMarkert, FrankReinecke, Ernst-Arndt Jülich DATA 2025 This data set is a supplementary resource for the article "Comparison of Black and Transparent PMMA in the Cone Calorimeter", which will be published by ASTM international for the ASTM 42nd symposium on Obtaining Data for Fire Growth models.