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Why is Lead useful to us?

Tags: lead
Asked by ramkrishna, 27 Jul '10 09:36 pm
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Lead can be used as a pure metal, alloyed with other metals, or as a chemical compound. The uses of lead are as follows:

* It is a major component of the lead acid battery and is commonly used in a car battery.
* Due to its high density, weight-to-volume ratio and resistance against corrosion, lead is used for the ballast keel of sailboats and scuba diving weight belts.
* It is utilized to form glazing bars for stained glass or other multi-lit windows.
* Due to its low melting point and cost, lead is used as projectiles for fishing sinkers and firearms.
* White lead, lead sulphate and lead chromate are used as coloring elements in paints and ceramic glazes, notably in the colors red and yellow.
* It is commonly used in polyvinyl chloride (PVC) plastic, that covers electrical cords.
* Lead sheets are utilized in the construction industry for weathering, roofing and cladding, to prevent water penetration. It is also used for the lining of chemical tre ...more
Answered by PARTHA PATHAK, 27 Jul '10 09:55 pm

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Lead is a very dense material, and is much cheaper than Gold or Silver, and is easier to work with and less toxic in common forms than Thallium or Bismuth It is also more readily available. lead is useful in radiation shielding.
Answered by beena john, 27 Jul '10 09:50 pm

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