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Aquadag is a trade name for a water-based colloidal graphite coating commonly used in cathode ray tubes (CRTs). It is manufactured by Acheson Industries, a subsidiary of ICI. The name is a shortened form of "Aqueous Deflocculated Acheson Graphite", [1] but has become a generic term for conductive graphite coatings used in vacuum tubes. Other ...
A foundry-facing mold wash is a water-based paint of amorphous or fine flake graphite. Painting the inside of a mold with it and letting it dry leaves a fine graphite coat that will ease the separation of the object cast after the hot metal has cooled.
To produce expandable graphite, natural graphite flakes are treated in a bath of acid and oxidizing agent.Usually used oxidizing agents are hydrogen peroxide, potassium permanganate or chromic acid. Concentrated sulphuric acid or nitric acid are usually used as the compound to be incorporated, with the reaction taking place at temperatures of ...
In 2004 Gravely produced its last Gravely two-wheeled tractor. As of 2006, Gravely provided a full line of power lawn implements, including zero-turn mowers, reel mowers, and grass trimmers. In 2008, Gravely launched Gravely Turf Equipment, a division geared toward golf courses and turf management nationwide.
Structure proposed in 1998 [1] with functional groups. A: Epoxy bridges, B: Hydroxyl groups, C: Pairwise carboxyl groups. Graphite oxide (GO), formerly called graphitic oxide or graphitic acid, is a compound of carbon, oxygen, and hydrogen in variable ratios, obtained by treating graphite with strong oxidizers and acids for resolving of extra metals.
The company developed their products to serve the needs of government entities, lawn care professionals and land owners. Grasshopper was the first manufacturer to offer dual swing-out levers for their zero-turn mowers (1973) [2] and the first to offer a diesel-powered zero-turn mower (1983). [3]
The firm's first products were developed in Germany in 1866 to protect carriages from the gravel of dirt roads. In 1920, the company created a quick-drying, multi-color lacquer line for automotive painting. [4] Operating as Herberts Gmbh, the company grew under Kurt Herberts, [5] introducing the popular automobile finish Standox in 1955. [6]
Not long after the Greens Mower was released. In 1928 Jacobsen made a notable contribution to small engines by inventing the recoil start, by 1932 all Jacobsen mowers used recoil starters. The company continued to produce mowers for estates and golf courses throughout the 1920s and 1930s, and was not damaged by the Great Depression. Knud ...