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Muhle et al. (1991) reported that the responses to chronically inhaled copying toner, a plastic dust pigmented with carbon black, titanium dioxide and silica, were also similar qualitatively to titanium dioxide and diesel exhaust. [10] Carbon black, one of the components of toner, is classified as "possibly carcinogenic" by the IARC.
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Carbon tissue was a stock item in Europe and the US well into the 20th century, [1] but by the 1950s carbon printing was very rare and supplies for it became an exotic specialty item. Some companies produced small quantities of carbon tissue and transfer papers for monochrome and three-color work until around 1990.
2015: Interprint enters new worlds in decor printing with the first industrial digital printing machine worldwide. 2014 : Interprint expands its international team by building a new production plant in Curitiba, Brazil , and a sales office in Pretoria, South Africa .
Carbon black (with subtypes acetylene black, channel black, furnace black, lamp black and thermal black) is a material produced by the incomplete combustion of coal tar, vegetable matter, or petroleum products, including fuel oil, fluid catalytic cracking tar, and ethylene cracking in a limited supply of air.
An A4-size Gestetner offset-printing machine. The Gestetner is a type of duplicating machine named after its inventor, David Gestetner (1854–1939). During the 20th century, the term Gestetner was used as a verb—as in Gestetnering. [1] The Gestetner company established its base in London, filing its first patent in 1879.
Since the sale of the sites for the production of pressroom chemicals in 2019, there are further production sites abroad in St. Gallen (label printing machines under the Gallus brand) and in the United States (folding machines for the brand Baumfolder). Around 87% of its turnover of €2.4 billion was generated abroad in the 2023/24 financial year.
Cabot Corporation was founded by Godfrey Lowell Cabot in 1882 when he applied for a patent for a "carbon black making apparatus". [citation needed] The company incorporated in the state of Delaware in 1960.