There are several sizes in the curtain wall
Do not know what you are asking, embedded embedded parts and post-embedded specifications are a lot of models
This is to be determined by calculation, but also with your column or vertical steel keel section and vertical keel connection.
The back wall of the curtain wall is usually 200x300 thickness is usually 8mm.
In order to avoid the connector and embedded anchor bolts on the embedded, if the column horizontal more than 100 recommended to 200X350, if it is stone curtain wall to 10mm or more.