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About Compact Disk (CD)

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  • CD-Rom
  • Storage
Last response: in Storage
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October 16, 2014 8:23:52 AM

Hello all,

I have some questions about Compact Disk (CD).

1- What is the difference between the material of CD-R and CD-WR?
2-What the polycarbonate level of CD for?

Thanks in advance.

More about : compact disk

Best solution

a c 133 G Storage
October 16, 2014 8:31:39 AM

1) Do you mean CD-RW? If so, CD-RW discs can be erased and reused, though not indefinitely. They use a metallic alloy instead of a dye.

2) I'm guesssing mainly rigidity - it's the thickest part of the disc.
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October 17, 2014 12:34:27 AM

Thank you very much.
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