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Light Cured Acrylics and Bench Lights...
 
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Penguin



Joined: 31 Aug 2006
Posts: 218
Location: Area61 Skunk Works, Kape Kodistan, das Peoples Republik of Taxachusetts USA

PostPosted: Tue Nov 22, 2011 6:20 pm    Post subject: Light Cured Acrylics and Bench Lights... Reply with quote
Curious Unintended Consequences...
I like noteworthy tools of quality that work... if they look good too, all the better...
IMHO: Marc Petitjean's stuff is Leonardo Da Vinci BRILLIANT...
His Swiss Vise is amazing... the 3W cool L.E.D. is an exceptional tool accessory...

FYI...
Whilst tyin' at the Symposium I had the opportunity to use this beautifully designed light and was dabbling with some Light Cured Acrylic...
The properties of the light allowed for good colour rendition, attention to detail, and was easy on my tying eyez... NICE!!!
But it soon became apparent that a premature skin was developing on my target... 'almost like epoxy approaching initial set...
Interesting...
After returning home to my bunker here at Area61 I conducted an "unscientific" experiment...
I placed some CCG, Tuffleye, FLEX, and Bug-Bond on a glass slide and exposed the samples to my DayLight florescent tying light...
an uneventful starting off point...  

5 minutes under my DayLight lamp...
'bodkin pokes and strokes healed quickly...

the same samples with 4 minutes of exposure to the cool L.E.D.
my bodkin strokes across the surface revealed slight memory...
'skin had begun to form on ALL the acrylic samples...

after 6 minutes under the cool L.E.D.
the partially cured acrylic samples had become somewhat firm and unworkable... the strokes were now quite tenacious...

The "Moral" of my exercise...
I like light cured ACRYLICS and I like the cool L.E.D. light but...
If you are going to be using "light cured acrylics", consider your proximity to UV and Blue Light sources [windows] to include your source of bench light...
Evidently, the cool L.E.D.'s have some of the specific "excitation frequencies" that can start the acrylic curing process...
Would I buy/use this light... ABSOLUTELY!
but I wouldn't use it while casually applying light cured acrylics...
'a proper sense of urgency might resolve the unintended consequences...
Go phigure...
Who would'a thunk?!


'several hours in the sun reveals some grungy porch windows and the cured samples...
left to right...
CCG flexible / Tuffleye Core / Tuffley FLEX / Bug-Bond Original

#1 is a bit frosted but translucent / the other three are gin clear...



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PeteGray
A dog's tail NEVER lies !!!
Dazed, Confused and Designated Expendable
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Martin Joergensen
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Joined: 27 Feb 2006
Posts: 380
Location: Copenhagen, Denmark

PostPosted: Wed Nov 23, 2011 8:01 pm    Post subject: Reply with quote
Pete,

Funny with Petijean's vice. I always found it overly complex and way "too flexible". Jack of many trades, king of none, you know. And very expensive too. But is sure is impressive when Marc demonstrates it.

Fun experiment with the light curing glues. I have used Bug Bond and love it, but have no experience with the other brands.

PS: your windows looks like mine! ;-)

Martin

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