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Old 07-03-2020, 06:00 AM   #1
pecrie
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Default How to protect your eye when using UV light

Guys ,

Recently I bought some blue UV glue.
And somewhere I read that you must protect your eyes for the UV light.

What is the best way to do that ?
Are there special goggles for that or are normal sunglasses enough ?
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Old 07-03-2020, 07:16 AM   #2
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Default Re: How to protect your eye when using UV light

so what are you going to use, a laser? a flashlight? or a big flourescent tube?

only the tube needs protection, the flashlight and laser are not in the risky frequency range.
although you dont want to point the laser at something that will reflect it back in your face.
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Old 07-03-2020, 07:01 PM   #3
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Default Re: How to protect your eye when using UV light

Do you know what kind of UV you are using?
https://www.cureuv.com/pages/search-...fety%20glasses
https://dymax.com/images/pdf/literat...v_exposure.pdf
https://www.uvprocess.com/154-EYEPRO
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Old 07-03-2020, 07:20 PM   #4
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Default Re: How to protect your eye when using UV light

some uv is fine .others are not .like party black lights are fine as far as i know
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Old 07-03-2020, 07:21 PM   #5
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Default Re: How to protect your eye when using UV light

on another note i have used the sun for uv sensitive adhesive . glass bond it was .
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Old 07-04-2020, 09:16 AM   #6
pecrie
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Default Re: How to protect your eye when using UV light

Thanks ..

I bought the blue UV glue and I got a 5 maybe 6 UV led flashlight with it.
On ebay

So , I only need to be careful and special glasses are not necessary ?
Or do I still need one ?

And I read that it takes about 15 minutes to cure the blue glue ??
So , the leds will be on for that time ??
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Old 07-04-2020, 10:31 AM   #7
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Default Re: How to protect your eye when using UV light

not needed with leds - they take a while btw - paint the stuff thinly
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Old 07-04-2020, 03:11 PM   #8
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Default Re: How to protect your eye when using UV light

Quote:
Originally Posted by pecrie View Post
Thanks ..

I bought the blue UV glue and I got a 5 maybe 6 UV led flashlight with it.
On ebay

So , I only need to be careful and special glasses are not necessary ?
Or do I still need one ?

And I read that it takes about 15 minutes to cure the blue glue ??
So , the leds will be on for that time ??
Can you provide info about what you actually bought? 15 minutes to cure with UV?
Are you referring to Bondic/ or cloned UV curing glue?
https://www.cureuv.com/products/bond...-kit-complete?
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Old 07-04-2020, 07:20 PM   #9
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Default Re: How to protect your eye when using UV light

i think he;s talking about solder-mask
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Old 07-04-2020, 08:13 PM   #10
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Default Re: How to protect your eye when using UV light

I do not know why he uses the word 'Blue UV Glue' then if it is solder mask.\
He just needs to show us what the heck he is talking about.
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Old 07-04-2020, 11:47 PM   #11
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Default Re: How to protect your eye when using UV light

There are lots of UV glues that have recently become available and will cure/set when exposed to UV light. Apparently if it will cure with an LED then these are likely UVA cure glues and you probably are OK without protection as long as you don't stare into the light too long. A lot of the time, regular soda glass safety glasses/goggles are sufficient, and UV rated sunglasses work fine as well if needed. Polyethylene terapthalate plastic may not be sufficient.

The UVC cure UV glues that require mercury lamps, those now require special protection. I don't know if there are commonly available UVC protection available, but then again it's not just your eyes you need to worry about.
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Old 07-06-2020, 03:07 AM   #12
pecrie
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Default Re: How to protect your eye when using UV light

Well , it seems that there is more to UV glue than I know.I bought the glue to glue some loosen pads on the laptop motherboard.

Not sure though if I would better use epoxy for that.
But I also can use the glue for glass and plastics.I will only use the led flashlight.

I do not plan to make printed circuit boards (so no solder masks for now)
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Old 07-06-2020, 03:48 AM   #13
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Default Re: How to protect your eye when using UV light

show a foto or product link
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Old 07-06-2020, 04:50 AM   #14
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Default Re: How to protect your eye when using UV light

Quote:
Originally Posted by pecrie View Post
Well , it seems that there is more to UV glue than I know.I bought the glue to glue some loosen pads on the laptop motherboard.

Not sure though if I would better use epoxy for that.
But I also can use the glue for glass and plastics.I will only use the led flashlight.

I do not plan to make printed circuit boards (so no solder masks for now)
UV reactive glue is great for glueing clear things like phone digitizers and LED lenses, it's no good for glueing opaque things.

This stuff is perfect for gluing loose tracks and pads. It's designed to take rework temperatures unlike CVA glue.
https://www.chemtronics.com/circuitw...hesive-syringe
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Old 07-06-2020, 12:45 PM   #15
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Default Re: How to protect your eye when using UV light

Quote:
Originally Posted by stj View Post
show a foto or product link
+1
I do not know why it is so hard for OP to show us what we are asking for.
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Old 07-07-2020, 02:11 AM   #16
pecrie
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Default Re: How to protect your eye when using UV light

Here is the product link from ebay

https://www.ebay.co.uk/itm/10ML-CRYS...72.m2749.l2649

Nothing secret or scary about it.I bought the blue glue because @stj said that it will cure faster.
So , it is just to glue some loosen pads on a laptop MB.But I believe that the chemtronics epoxy is a better choice.

Still I wanted to ask about the eye protection , because someone mentioned it.
I'm not going to use other UV glue
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Old 07-07-2020, 04:03 AM   #17
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Default Re: How to protect your eye when using UV light

that's not blue, it's clear.
but you cant use it to glue pads because you cant shine a light on it under the pad!
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