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 [Guide]Repairing Scratched CDs, Sanding the CD (no play play)

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silllver
post Apr 3 2005, 03:01 PM

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use car wax lor! everybody has it.

EDIT:I have done it on my mobilephone housing screen too.

This post has been edited by silllver: Apr 3 2005, 03:04 PM
kingmaker_20
post Apr 3 2005, 05:05 PM

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QUOTE(wild_card_my @ Apr 3 2005, 10:17 AM)
how do you wet sand it witout.. uhh.. wetting the label/data side of the cd?

the reflective layer is coated with the label side right? if you wet the label side, there are chances trhat youre going to damage the reflective side...
*
biggrin.gif i always wash my cd/vcd and dry it with smooth cloths/tissue...no problem....

TSAlamakLor
post Apr 3 2005, 06:13 PM

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QUOTE(wild_card_my @ Apr 3 2005, 01:50 AM)
they certainly did..

ive wetted a few of my cd rs before and the reflective side were ripped off..

that happened during the rain...
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how much was ur cdr? ive got many cdr's where its data film gets "watery" after some time and eventually went to heaven. I haven't encountered any cds that got screwed up because of me wetting it. If you are not comfortable in doing this...no worries, buy a new cd smile.gif
fx_53_xt
post Apr 4 2005, 04:57 AM

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i dunno why but CD-R is really easy to tear off the reflective thingy than normal CD...especially those cheapo grade,don even need a drop of water they already torn off after a few times of spinning in my ROM.

By the way, remember to clean all the wax u use to smooth the CD surface completely....if you don clean it well and they stain on your laser head...say bye bye to your optical drive
WebMaster07
post Apr 6 2005, 12:05 PM

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yeah. My 1st CD drive already kantoi because of this. Learn the lesson from the past..
lingling
post Apr 7 2005, 08:42 PM

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eh i wan to ask if those cd scratch remover solvent in the market are scam ??? i got 1 cd tat need to be repair .... and i plan to buy yhose thing
TSAlamakLor
post Apr 7 2005, 09:02 PM

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QUOTE(lingling @ Apr 7 2005, 09:42 AM)
eh i wan to ask if those cd scratch remover solvent in the market are scam ??? i got 1 cd tat need to be repair .... and i plan to buy yhose thing
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read the whole thread, the answer is in there doh.gif
kianwee
post Apr 26 2005, 02:07 AM

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i have trouble looking for 2000 grit sandpaper, any idea where to get em?
TSAlamakLor
post Apr 26 2005, 03:29 AM

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QUOTE(kianwee @ Apr 25 2005, 03:07 PM)
i have trouble looking for 2000 grit sandpaper, any idea where to get em?
*
most hardware shops carry it. u can also get it from automobile shops
zzzz52
post Apr 26 2005, 02:50 PM

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2000 grit sand paper very hard to find. Last time when preparing specimen for SEM, used 2000 then 4000 + polishing, the results--- totally good, although 4000 susah to find.

Just 1 question, how do toothpaste works? biggrin.gif
sKy_jAi
post May 3 2005, 01:53 AM

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I've read that Brasso metal polish works well.. recommend it highly. tongue.gif
kardock
post May 3 2005, 06:25 AM

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what's the percentage of failure ?
TSAlamakLor
post May 3 2005, 07:38 AM

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QUOTE(zzzz52 @ Apr 26 2005, 03:50 AM)
2000 grit sand paper very hard to find. Last time when preparing specimen for SEM, used 2000 then 4000 + polishing, the results--- totally good, although 4000 susah to find.

Just 1 question, how do toothpaste works? biggrin.gif
*
got 4000grit kar? wah lau laugh.gif i didnt know

toothpaste? same as polishing compound, consist of a bunch of microscopic rocks that polishes your teeth.
FiSHjIGN
post May 5 2005, 10:35 PM

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metal polish.. on plastic? i dont think so

brasso metal polish for cleaning band brass instruments
teehk_tee
post May 8 2005, 04:17 PM

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really work arr? this way? If so, then i'll go start working it out!! sure arr... any chance of failing? cuz the cd that i'm gonna clean is an old game that is not really in the market already..
TSAlamakLor
post May 12 2005, 10:55 PM

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chances of failing very much depends ont he pressure that you apply on the disc. just sue 2k grit, wet sand the disc with lightest pressure. if it doesnt get rid of the main scratches, then do it again with more pressure. once u are comfortable with it, u will know what pressure to apply without screwing anything up.
youngkies
post May 22 2005, 04:59 AM

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there is another simple effective way too... if you can find methylated spirit... methylated spirit normally used for heavy duty cleaning, or in pharmaceutical preparation... apply on dry cloth, wipe over the disc... clean shiny surface..

This post has been edited by youngkies: May 22 2005, 05:06 AM
SupermotoXL
post May 23 2005, 09:29 PM

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Lol, i just use COLGATE tooth paste and ISO BUSTER software and it works 98%, we always used it when our CDR disc unreadable.

Never used sandpaper, some sector (pit) will be destroyed if you do so.
TSAlamakLor
post May 23 2005, 09:46 PM

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QUOTE(SupermotoXL @ May 23 2005, 10:29 AM)
Lol, i just use COLGATE tooth paste and ISO BUSTER software and it works 98%,  we always used it when our CDR disc unreadable.

Never used sandpaper, some sector (pit) will be destroyed if you do so.
*
dude, do u know where are they located on the disc? the bottom is just a piece of plastic, data is located on the top.

the ripping result with EAC is 99.9-100%.
SupermotoXL
post May 24 2005, 09:00 PM

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Yes, but the "groove" results on scrubbing using sand papers will deflect laser light few degree bent off-set into the lens. There be 12% less accuracy when reading the pit.

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