Glassmaking Materials Quiz
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Questions and Answers

What is the typical silica content in quartz sand used for soda-lime glass?

  • 60-65%
  • 50-55%
  • 95-98% (correct)
  • 80-85%

    • Why is low impurity quartz sand desirable for glass production?

  • To increase coloration and transparency
  • To minimize coloration and reduce transparency (correct)
  • To promote chemical reactions during melting
  • To enhance strength and durability

    • How does particle size distribution of quartz sand affect glass properties?

  • It can affect the properties of the glass (correct)
  • It only affects the color of the glass
  • It reduces the melting point of the glass
  • It has no effect on glass properties

    • Why is the high melting point of quartz sand important for glass manufacturing?

    <p>It allows for the formation of a homogenous glass melt</p> Signup and view all the answers

    What is the purpose of low thermal expansion in glass production?

    <p>To minimize the risk of glass breakage due to temperature changes</p> Signup and view all the answers

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