DIFF Subgroup
C03C 10/04 Silicate or polysilicate crystalline phase, e.g. mullite, diopside, sphene, plagioclase
Introduced: January 1985
Full Title
Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition > Silicate or polysilicate crystalline phase, e.g. mullite, diopside, sphene, plagioclase
Of 2 combined children, 0 exist in both systems.
2 codes exist only in IPC.
IPC defines codes here since 1985.