Chestnut (color) Chestnut (color) Chestnut is a colour, a medium reddish shade of brown (displayed right), and is named after the nut of the chestnut tree. An alternate name for the colour is badious. Indian red is a similar but separate and distinct colour from "chestnut". Chestnut is also a very dark tan that almost appears brown. The name "chestnut" derives from the color of the nut of the chestnut tree. The first recorded use of "chestnut" as a color term in English was in 1555. The color maroon is also named after the chestnut (via French "marron"). Deep chestnut is the
Colour sorter likely to fluoresce. In mining sorting industry, It is also called sensor-based sorting technology. Use Optical Color (CCD Color Camera) combineX-Ray Sorting Technology and NIR (Near Infrared Spectrometry) to pick out the impurity of ore, minerals, stone and sand products, separate ore into two or more categories. In the recycling industry, colour sorters can distinguish between coloured and colourless PET and coloured and colourless HDPE flakes, as well as being able to separate flakes by colour before re-granulation. Plastic colour separators are used to separate mixed-colour plastic flakes or granules. Plastic type separators (Sensor-based sorting technology) are used to separate