Monday, September 9, 2019

How its made Essay Example | Topics and Well Written Essays - 1000 words

How its made - Essay Example 23-29, 2005). Sandpaper first came out in the 13th century, invented by the Chinese when strong and tough materials of that age, such as shell pieces, seeds, and sand adhered to parchment rolls through natural gum obtained from the trees. In those days, people also made use of natural rough surfaces such as fish skin with scales to achieve results similar to that of sandpaper. However, the first invention, which looked much more like today’s sandpaper came out as glass paper, formed through pieces of glass and sand combined together on paper. By 1716, coated paper came forward in Paris, but the original invention of sandpaper goes back into 1834 in United States by Isaac Fischer, Jr., of  Springfield, Vermont. Its grade further improved when it took over another property of also being waterproof in 1916, changing from sandpaper to Wetrodry, which helped improve the grade quality without acting as a seal upon automotive paint refinishing. The most peculiar use of sandpaper is its application as a musical instrument by Leroy Anderson in his famous  Sandpaper Ballet (Capotosto, pp. 73, 1991). Sandpaper, no matter with its name specifically refers to surface of paper and sand, in reality denies the presence of both the materials, but is completely made of other organic or synthetic minerals and adhesives. There are many materials other than the simple usage of sand and paper, in the development of this multi functioning piece of paper, which give it its unique qualities. Most significantly, the abrading materials, which give it the aggressive wiping ability comes through the combination of many materials. These include flint, garnet (for wood work), emery (substance used for cleaning metal surfaces), aluminum oxide (giving the paper its metal oxide property), silicon carbide (only used in very fine grits),

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