Anyone found a way to clean Seoul P4 optic properly?

tino_ale

Flashlight Enthusiast
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Nov 20, 2005
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Paris, France
Hi guys,

Title does say it all... What's the best way to clean the gummy optic of Seoul P4 leds without altering it?
 
Rubbing alcohol, and a t-shirt Is what I would use. T-shirt is less likely to scratch and leave lint than a rough paper towel.
 
Best way is not to get them (XRE/P4) dirty by working with gloves.

But if you get them dirty, I normally use the sunglass lintless cloth. It seems to do a good job.
 
Havent tried it yet but there are several tools for cleaning lenses and negatives - clean artists paint brush and a blower. There are specially treated cloths for cleaning negatives, when I get my seouls I'll report back.

Cl
 
Those optics are very fragile, and can easily be damaged!

Alcohol can cause little cracks in the surface.. Proper cleaning can only be done with the softest cloth you can find, with demineralized water and a drop of clear liquid-soap.
But even then, they can easily be scratched!

The only way to prevent this, is to threat them with very much care: Never ever touch the reflective surface !! Keep them dustfree packed until you can mount them.

Only then, you can enjoy the more then 90% efficiency, an efficiency that NEVER can be reached with conventional reflectors!!


Edit: OOPS... I didn't realise you were refering to the dome of the emitter itself!! Silly me !! :ohgeez:

Oh well,, the above still stands! Hopefully I will receive my first seoul-emitters within a few days. I never knew they have a silicon-dome !

With this information, I think the way Mac came up with below this, propably is the best way to clean them !


Regards,

Ra.
 
Last edited:
Plain water, put some on your finger and gently sweep it clean. It's made out of silicon compound. Any kind of solvent may harm the dome, alcohol et al.
Stefan
 
Taken directly from the SSC P4 emitter datasheet:

"This device should not be used in any type of fluid such as water, oil, organic solvent and etc. When washing is required, IPA(Isopropyl Alcohol) should be used."

Rubbing alcohol is Isopropyl alcohol. :nana:
 
When I tried Isopropyl Alcohol at work it only made the mess worse than it was before. I have done this a number of times already. Stefan
 
65535 said:
ISA will only work on silicon domed seouls LED's do not use ISA on a acrylic domed LED it will crack the acrylic.


I have used ISA on every LED light I have ever built :)

Mac
 
abvidledUK, its silicone, so dusts sticks to it. gummy is the description of how silicone feels.

Mac, Same here, but optics like NX05 will crack apart though..
 
this has been said in another thread somewhere by someone

"this is the biggest hype ever"

ok so there is a little dust before you screw the head on blow the 5 peices of dust off and install the head of ur mod

before you know it the 6 peices of dust inside the head that landed on the lense or the luxeon before the mod will be sapping up all that light

sorry if this doesnt sound like a joke

there really isnt an issue

alex
 
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