BOLOGNA GYPSUM

A mineral composed of calcium sulfate dihydrate, also known as gold gypsum or gilder’s gypsum, with reference to its main use.

Bologna Gypsum is in fact used as a surface coating prior to gilding or as a filler for canvas and panel paintings. It has no setting properties.



PHYSICAL AND CHEMICAL PROPERTIES:



- Formula: CaSO4·2H2O

- Appearance: extra-fine white powder

- Mohs’ scale hardness: 2



Two kinds of Bologna Gypsum are available:



- EXTRA BOLOGNA GYPSUM

- GYPSUM OF BOLOGNA TYPE