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Published byJohnathan Floyd Modified over 9 years ago
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Lauren, Jake, Ben, Fadil
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Aluminum: Primary source is bauxite, which is extracted from the Earth Polycarbonate: Made from crude oil and natural gas Lacquer: Made from acrylic Gold: Mined Dyes: Made from petroleum products ACQUIRING MATERIAL
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Bauxite is washed, crushed, dissolved, filtered, and harvested into a substance called alumina. Alumina is then smelted into aluminum. Crude oil and natural gas are combined with other chemicals in a manufacturing processing plant. PROCESSING
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An injection moldering machine creates a 1 millimeter thick piece of carbonate, which will serve as the core of the disk. Polycarbonate shape is modified. It is then placed under high pressure, while then a stamper places tiny indentations holding digital information. These indentations are read when the CD is played in a CD player. The plastic molds are then placed in the “metallizer”, which places a thin reflective metal layer (commonly aluminum) by the “sputtering” process. The playback laser reads this information off the reflective surface. Lacquer is then placed as a coding layer to protect the CD from external damage. MANUFACTURING
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The CDs are then packaged in a plastic case. Sometimes they might be in cardboard boxes with plastic shrink-wrap covering. PACKAGING
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Plane, truck, or rail which requires fossil fuels for energy. This in the end contributes to climate change. TRANSPORTATION TO THE CONSUMERS
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Used to hold information, music, play Playstation one games. The good stuff… THEIR USES
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