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Questions and Answers
What is the typical silica content in quartz sand used for soda-lime glass?
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?
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?
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?
Why is the high melting point of quartz sand important for glass manufacturing?
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What is the purpose of low thermal expansion in glass production?
What is the purpose of low thermal expansion in glass production?
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