About CD's

[abbasi]

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.

 

[learninmypc]

Might this help for your first question http://en.wikipedia.org/wiki/CD-R

2nd question http://www.bisphenol-a.org/human/polyplastics.html

Don't know nothing about either, just trying to help