Posted by Capn Queeg on 09/25/06 23:34

Ammonia should not be used on polycarbonates, commonly used for laser
optics. Ammonia may not cloud polycarbonates but it will make it brittle
and eventually hairline surface cracks can form.

On Thu, 21 Sep 2006 09:33:47 -0400, Mike Walsh <spamscks@netrox.net> wrote:

>
>While a single use of Windex probably won't do any noticeable damage, repeated use of ammonia could, depending on the type of plastic, eventually cloud a plastic lens. Better to use something such as Glass Plus, which does not contain ammonia and is safe to use on plastic.
>
>Mark Jones wrote:
>>
>> > 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.

[Back to original message]