What is Uvasys?

UVASYS is known worldwide as the pioneer laminated plastic sulphur dioxide generating sheet. It is acknowledged in countries that produce, export or import Table Grapes as the premium product. Its function is to protect grapes from postharvest fungal decay, particularly the devastation caused by the Botrytis cinerea fungus (grey mould / mold) on grapes that are transported and stored. How does Uvasys work ?