2520 Gypsum, anhydrite, plasters consisting of calcined gypsum or calcium sulphate, whether or not coloured, with or without small quantities of accelerators or retarders

2520 (01/1988-..) Gypsum, anhydrite, plasters consisting of calcined gypsum or calcium sulphate, whether or not coloured, with or without small quantities of accelerators or retarders 25201000 (01/1988-..) Gypsum, anhydrite 25202000 (01/2010-..) Plasters consisting of calcined gypsum or calcium sulphate, whether or not coloured, with or without small quantities of accelerators or retarders 25202010 (01/1988-12/2009) Building plasters consisting of calcined gypsum or calcium sulphate, whether or not coloured, with or without small quantities of accelerators or retarders 25202090 (01/1988-12/2009) Plasters consisting of calcined gypsum or calcium sulphate, whether or not coloured, with or without small quantities of accelerators or retarders (excl. building)