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Lithium carbonate is an inorganic compound with the formula Li 2 CO 3 . The salt exists only in the anhydrous form and its solubility in water is low relative to other lithium salts. The compound is produced by combining lithium peroxide with carbon dioxide. This reaction is also used in certain air purifiers to absorb carbon dioxide: 2 Li 2 O 2 + 2 CO 2 → 2 Li 2 CO 3 + O 2 . Here are a few applications of lithium carbonate: 1.        Medicinal Uses Lithium carbonate is used to treat a manic depressive disorder (bipolar disorder). It works to stabilize the mood and reduce extremes in behavior. This is done by restoring the balance of neurotransmitters in the brain. This medication can decrease how often manic episodes occur and decrease the symptoms of manic episodes. 2.        Glass and Ceramics Lithium carbonate is used in the preparation of lithium aluminosilicate glass-ceramics. These ceramics have low thermal coefficients of expansion, which allow their use over

Tyvek Paper is a composite wrapping material that is used as a desiccant. It is also used as a housewrap, a synthetic material used to protect buildings during construction. The material is difficult to tear, but can easily be cut with scissors or a knife. Here are the top applications of T40 paper: 1.        Construction and Engineering Large sheets of Tyvek paper are frequently used as "housewrap," to provide an air barrier between the outer cladding of a structure and the frame, insulation, etc. The paper allows water vapor to pass yet restricting air infiltration. The paper was also used to cover and protect the Reaction Control System (RCS) thruster ports from water and debris during the latter years of the Space Shuttle program. 2.        Government Use Tyvek paper is often used by the United States Postal Service for some of its Priority Mail and Express Mail envelopes. New Zealand used it for its driver's licenses from 1986 to 1999. Costa Rica,