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November 11, 2010
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November 8, 2010
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September 20, 2010
AboveNet Expands to key European Markets
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June 16, 2010
AboveNet's secure fibre network connects to London's Telehouse West data centre
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June 7, 2010
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Polypropylene is a polymer substance. In other words, it is a macromolecule (or a very large molecule) formed by repetition of one structural unit of propylene several times. The small molecules of propylene are bonded with each other by the means of covalent type of chemical bonds. Polypropylene is a kind of polymer which gets transformed into liquid when it is heated. And when frozen, it turns into a glassy state. The polymer that shows these properties is known as thermoplastic polymer. Weight : Melting point of polypropylene is 160C. Therefore, unlike other polymers like polyethylene, it is capable of being operational at a very high temperature. Corrosion : This polymer remains unaffected when it comes in contact with chemicals such as alkaline substances, acids, de greasing agents, electrolytic oakley shooting glasses attacks, etc. However, its resistance towards aromatic or aliphatic hydrocarbons, chlorinated solvents and ultraviolet radiation is not very strong. Other Useful PropertiesIt is a non toxic substance. It does not get stained very easily. It can be easily fabricated. Food containers made of polypropylene are of superior quality and can be safely washed in a dishwasher. It is also used for making cans and syrup bottles that are required for food packaging. Polypropylene mixes well with different types of dyes and its colorful fibers make beautiful carpets which have high durability. These carpets can be kept near swimming pools or other such areas where it is exposed to a lot of water. It oakley glasses at costco does not promote growth of bacteria on its surface and hence, it is used in various medical equipment. Polypropylene, in its pure form, is used in semiconductor industry. Due to the high impact property, it can withstand strong force. For this reason, ropes is often used for fishing and agriculture purposes. In the construction sector, the uses of polypropylene are in manufacturing of pumps and different types of pipes.

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