La mestica
7 Video Views·Sep 24, 2022
Ammannitura colorata e caratterizzata dall'uso di sostanza grasse, creta, oli fissi o vernici grasse, comunque ben distinta dalla più antica preparazione a gesso e colla.
From the 400s preparations were often enriched with oily fatty substances
To make them less sensitive to moisture and more elastic
With the adoption of canvas supports these mixtures became common
And they became increasingly characterized by the addition of earths and other pigments
To avoid becoming saturated with oil the canvas had to be previously
treated with several coats of glue before applying the gesso
And to maintain sufficient flexibility in the support it had to be rather thin