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Posted by Capn Queeg on 09/25/06 23:14
Ammonia should never be used on polycarbonate plastics which is commonly
used in laser optics. Ammonia while cause the plastic to eventually break
down. Any owner of LaserDiscs knows this.
Refer to table 7 "Matierals NOT Recommended for use with TUFFAK A
Polycarbonate Sheet" from the document "TUFFAK A Polycarbone Sheet Physical
Properties":
http://www.plexiglas.com/literature/pdf/93.pdf
On Thu, 21 Sep 2006 12:18:35 GMT, "Mark Jones" <noemail@mindspring.com>
wrote:
>Jeff wrote:
>> "Mark Jones" <noemail@mindspring.com> wrote in
>> news:bNhQg.14197$bM.2909 @newsread4.news.pas.earthlink.net:
>>
>>> Citizen Bob wrote:
>>>> On Wed, 20 Sep 2006 07:37:44 -0700, Abe <noone@nowhere.com> wrote:
>>>>
>>>>>> What is a good, safe laser lens cleaner for a standard DVDR?
>>>>> I've had good luck with the Maxell DVD Lens Cleaner (DVD-LC)
>>>>> http://www.maxell-usa.com/index.aspx?id=1;13;227;229&a=info&pid=120
>>>>
>>>> I checked with WalMart and that's the only DVD Lens Cleaner they
>>>> carry. The reviews on amazon.com were a bit mixed, but in general
>>>> they were favorable. Thanks for the recommendation.
>>>
>>> I had zero luck using one of those. I bought a new DVD player, but
>>> fairly soon I intend to take my two DVD players apart and clean the
>>> lenses using Windex and a lens tissue. Mine act like there is a film
>>> built up on the lenses because the both have problems even when
>>> the disk is new. The new player does not have any problems
>>> with the disks that will not work in the other players.
>>>
>>>
>>
>> I wouldn't recommend Windex. The lens is most likely plastic and the
>> ammonia in Windex could damage it
>
>I repair a wide variety of optical equipment for a living and have
>never had Windex damage anything. It works better on most things
>than denatured alcohol or similar cleaners. What you want to avoid
>is acetone. It will melt plastic.
>
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