This tag is for questions relating to glass materials and properties. DO NOT use this tag for questions about glassware.
A glass is a non-crystalline solid material comprising an inorganic compound of a metal, non-metal or metalloid atoms.
Questions tagged [glass]
77 questions
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How to identify lead crystal glassware?
I would like to identify if a wine glass is made of lead crystal (a destructive method is allowed). Lead crystal is said to be eroded by dishwasher detergent. I don't have a dishwasher, what causes the stains? Could I quickly identify lead crystal…
jkien
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Does the process of chemically strengthening glass change its volume?
The process of chemically strengthening glass replaces sodium ions in the glass's surface with potassium ions through a process that uses a potassium nitrate bath solution. These potassium ions are larger than the sodium ions and therefore wedge…
Kenneth Moore
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What temperature is really required to make fused quartz?
Glass transition temperature of fused quartz is 1200 °C. Does this mean it can be made by heating sand to 1200 °C, or does the melting point of $\ce{SiO2}$ has to be reached (~1700 °C) for that to happen?
Francis L.
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