Established in 1995 as Grapetek, Tessara is a global market leader in the supply of laminated SO₂ sheets to protect table grapes from post-harvest decay and prevent fungus infection during transportation and storage. Tessara’s flagship product Uvasys is sold in over 22 countries on five continents with over 200 million sheets sold annually. Tessara’s production facilities are located in Cape Town, South Africa.