>At 04:08 PM 7/14/01 +1000, Andrew Fildes wrote:
>
>[snip]
>
>>Alcohol for cleaning? - good on bodies but for glass - WINDEX repeat WINDEX
>>on a Johnson and Johnson pure cotton bud. It works much better (and I used
>>to use lab grade ethanol).
>
>Andrew:
>
>I use Windex as well, but someone pointed out a while ago that Windex
>contains ammonia, which is frequently used to break down metal-interlocked
>floor finishes (ammonia attacks metals quite nicely). This made me
>hesitant to recommend it to anybody else, since it might do a really fine
>job of attacking multicoatings. I haven't seen any problems yet...
>
>Garth
This was the advice that I was given by a respected local mechanic who uses
Windex on lens glass and mirrors. The Johnson and Johnson cotton buds
because they have nothing used to 'fix' the cotton on to the stick, unlike
some others. The routine I use (blow off any loose dust, cotton bud with
Windex, remove any sticky spots with a tootpick after damping well, repeat
Windex with clean bud if necessary, finish gently with a microfibre cloth)
has been confirmed elsewhere for SERIOUS cleaning, but this is not
something to do regularly. A lens pen is good for occasional fingermarks
but I wouldn't want to use one after exposure to outback dust, for instance.
AndrewF
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