Bubble Wrap (brand) Bubble Wrap (brand) Bubble Wrap (originally Air Cap) is a trademarked brand of Sealed Air Corporation that includes numerous cushioning products made from bubble wrap. The brand is produced by the Product Care division of Sealed Air. Both the Bubble Wrap brand and product were introduced in 1960, with the launch of Sealed Air. Although the brand was originally used for the packaging of IBM computers, Sealed Air now does most of its Bubble Wrap business in the food packaging industry. Bubble wrap was invented in 1957 by engineers Alfred Fielding and Marc Chavannes in Hawthorne, New Jersey. Fielding and
Conservation and restoration of frescos synthetic material which can be used to reconstruct the architecture that originally housed the fresco. After the backing has completely dried, the cloth covering used to protect the front of the fresco during detachment is removed using a hot water spray and decoloured ethyl alcohol. Piero Baglioni has also pioneered the use of nanoparticles for repairing deteriorating frescoes. Artists generally painted directly onto wet calcium hydroxide plaster, which reacts with atmospheric carbon dioxide to form calcium carbonate (calcite). Over centuries, pollution and humidity causes the carbonate layer to break down and sulfate, nitrate and chloride salts within the walls recrystallize,