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 photographic plates used to wash the silver particles that are not part of the image, which then produces a stable negative image. This negative image can then be used over many years to produce paper positives. Glass plates as a form of support were popular in use between 1851 and the 1920s. Photographic plates face certain challenges to their preservation. In order to protect against deterioration or damage, conservators seek to identify the agents that threaten the various materials that make-up photographic glass plates. The primary agents of deterioration include the following: Relative humidity (RH) and temperature are two of the most