It is a fine-grained, flexible paste used for grouting and surface finishing.
Product Standard: DIN EN 13963
In Gypsum Board Partition Systems, it is the profile applied horizontally.
It is used to protect outer corners against impacts and to obtain a smooth surface in drywall applications.
Gypsum plasterboard is a horizontally applied carrier profile which is applied vertically in Gypsum Board and Wall Cladding Systems.