Adding lime (CaO) to a glass will cause what change? Decreased transparency Decreased softening point Increased...
Adding lime (CaO) to a glass will cause what change?
Decreased transparency
Decreased softening point
Increased transparency
Increased softening point
Homework Answers
Adding lime (CaO) to glass will cause an increased softening point.
Explanation: Lime (CaO) is a stabilizer. Although an excess of calcium oxide to a silica melt will cause devitrification, additions of small amounts of lime stabilize the glass melt with respect to water, fixing the problem of water solubility introduced with the soda component. The softening point is the temperature at which a material softens beyond some arbitrary softness.
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Adding lime (CaO) to a glass will cause what change?
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