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May 21, 2012, 03:27:02 PM
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Author Topic: epoxy saftey  (Read 2156 times)
hunty
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« on: September 24, 2007, 06:53:01 AM »

ya'll are probably well up on the play with safe practices when using epoxy, i am just starting to use it and found this info which is interesting.seems like there is a trap or two for young players.Anyway thought it was worth putting up.

http://www.mrfiberglass.com/safety_information.html#Understanding%20Overexposure
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paul cannon
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« Reply #1 on: September 24, 2007, 07:37:40 AM »

yep all good sense and logical
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Benny
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« Reply #2 on: September 24, 2007, 11:10:33 AM »

No sense in not using all the protection you can.   Using a respirator when you don't need to can't hurt in any way.   Well, unless you chew tobacco.  The spit would get a little gross, I guess.   Tongue 

I saw your post on Sways too.  What I would mention about your lap-grinding itchies is that you probably could take a little more time on your laps and end up with a lot less grinding.  I really lam tight & dry, and then only have to scuff the laps off with a surform.  The surform doesn't scatter fibers & dust like a big spinning disc does... just little shavings like grated parmesan cheese from the grocery and that cleans up nice & easy. 

It helps if, when your laps are wet out but not yet tucked, you go around with the scissors again and snip off any hanging wet threads or clumped up strands.  That takes off the worst pieces to grind and it also usually gets rid of the big drips of epoxy that would smear across the underside of the board. 
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Bernhardt
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« Reply #3 on: September 24, 2007, 01:10:40 PM »

ya'll are probably well up on the play with safe practices when using epoxy, i am just starting to use it and found this info which is interesting.seems like there is a trap or two for young players.Anyway thought it was worth putting up.

http://www.mrfiberglass.com/safety_information.html#Understanding%20Overexposure

unfortunately I've already been sensitived to System Three epoxys due to carelessness while glassing
I don't have any issues yet with Fiberglass Hawaii Aluzine or RR but I've never had issues with PU as stick as it is. We met the guy who used to run Robbie Naish's operation until he got sensitized to the point where he can't get near the stuff anymore.

Having skin allergies requires that when I sand any fiberglass I wear a nonbreathable hooded Tyvek suit with a full face 3M 7000 series respirator and suffer heat stroke in the hot hawaiian sun. At least I don't show up to work on Mondays looking like I have chicken pox or measles.. Kind of takes the pleasure out of making one of these things. I guess thats why I'm always pursuing ways to reduce dust and the need for the major sanding any fiberglass if it's possible. Compsands are a gateway to that with it's EPS core which you can hotwire to shape and if you're good enough you can bag on the skin and exterior laminate to a final finish. Unfortunately I haven't gotten to that stage yet eventhough I know it's possible.
I wash everything down when I'm done sanding including myself but I can see all the glass dust in the dirt waiting to dry out and get blown away with the wind.. Not good..

The toxicity of this past time is it's greatest fallacy..
But then again I can't even remember the amount of gasoline fumes I've inhaled cleaning paint brushes back in the day as well as washing myself in acetone and gasoline to remove the burning PU all over my skin before I hit 18. Probably doesn't say too much for my longivity in the coming years but you're only as safe as the information you have available to you at the time. 
So I'd defer to caution if there's advice out there like this now..   

Personally I think the fine wood dust from sanding and grinding it to shape is another issue to address.
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RCC
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« Reply #4 on: September 24, 2007, 08:05:48 PM »

Much appreciated Hunty! 
The website you referenced is much more straightforward and comprehensive than what I found when I went googleing around.
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surfer_dave
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« Reply #5 on: September 25, 2007, 09:24:22 AM »


Personally I think the fine wood dust from sanding and grinding it to shape is another issue to address.


Yep, it spooks the bejesus out of me all those balsa shavings and dust...

A couple of weeks ago we had a bbq and I needed some starter wood so I took a bag of balsa shavings and chucked em into my weber.. damn near lost my hair when i lit it! It doesn't just ignite, it goes WHOOOSH!!!

Next day I went into the work room and sprayed the place down with a plant sprayer and wet-vacc'ed the whole room...

scary  if you consider what amines based epoxy hardeners can do to wood dust and cellulose materials...





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