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Re: Valspar hardner

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Author  [Modern View]

11-22-2013 06:28:40

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What if you painted outside, is that as dangerous?

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11-26-2013 15:24:41

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 Re: Valspar hardner in reply to albane, 11-22-2013 06:28:40  
it boils down to ( IF ) you are sensitive to it.

IF you are sensitive to it. I hear even smelling the fumes from an hour after painting can put you in the hospital.

if you are not sensitive to it.. then you can paint with it outside with no (noticeable ) ill effects.

FWIW.. I use to use the valspar hardner.. but have switched to the nason quik cure. same $ and it dries faster...

I paint open air, outside. While I'd like to get supplied air.. I have not yet. if I keep painting as much as I have been over the last 15 ys.. i SHOULD.

I also imagine age and overall pulminary function plays a role. IE.. a young guy with good lungs and is not sensitive.. he may get away with it for decades.

take an older guy or a smoker.. and who may or may not be sensitive to it.. and you might find bad / dangerous results.

You may not be sensitive to it now and paint a dozen tractors outside. take a break for a few years and come back and have it knock you out.. etc.

if you THINK you might be sensitive or have existing pulminary issues.. I'd be on the safe side.

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11-28-2013 19:43:22

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 Re: Valspar hardner in reply to soundguy, 11-26-2013 15:24:41  
Bad stuff. I have gotten away with painting 2 truck, I had one of them so long I got to do it again so 3 if you count that. My '66 mustang and various fenders from deer hits etc on vehicles over the years. I never got sick from a charcoal mask but fear I will next time. I read awhile back that the hardner mess is cumulative like carbon monoxide. You can get some today and some a few days later etc. It build up and takes awhile to get out of your system. I realized that even after a few days of painting that I did not feel real well. I'm going to look for one of those hobby air deals before starting any more paint jobs. It is rewarding to take a vehicle from start to finish in paint...but not worth a life or a kidney transplant or even a liver from poisoning.

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El Toro

11-23-2013 10:50:43

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 Re: Valspar hardner in reply to albane, 11-22-2013 06:28:40  
You can end up with serious health issues. It's not worth it. I had several cars and a tractor painted at a body shop after I did the preparation. I furnished the paint. Hal

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David G

11-22-2013 06:33:13

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 Re: Valspar hardner in reply to albane, 11-22-2013 06:28:40  
Yes, the cloud of vapor will surround you.

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11-22-2013 07:54:59

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 Re: Valspar hardner in reply to David G, 11-22-2013 06:33:13  
I have painted a few Farmall tractors and have used a hardner from NAPA and I wore a good mask and it never bothered me. Is there a difference in hardners or do they all affect you in the same way.

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Dr. Walt

11-25-2013 06:59:30

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 Re: Valspar hardner in reply to albane, 11-22-2013 07:54:59  

Yes, hardeners are different and they effect you in different ways; but they are all hazardous to your health. TDI (toluene di-isocyanate) used with Urethanes is one of the worst.

Whether you use hardeners or not, the paint itself is hazardous because in almost all paints the primary filler is Micro-Fine Silica. If you should inhale the paint dust it would be the same as inhaling microscopic razor-blades - can everyone say: SILICOSIS . It may not get you right away, but it will get you.


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Rod (NH)

11-22-2013 11:03:46

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 Re: Valspar hardner in reply to albane, 11-22-2013 07:54:59  
Safety issues when using paint hardeners discussed in this publication (pdf file): Spraying Isocyanate Paints

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David G

11-22-2013 14:59:19

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 Re: Valspar hardner in reply to Rod (NH), 11-22-2013 11:03:46  
I wear a full face helmet, maybe I was sensitized the first time, but almost died the second time from respiratory distress.

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Rod (NH)

11-22-2013 17:07:26

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 Re: Valspar hardner in reply to David G, 11-22-2013 14:59:19  
A supplied-air respirator is the only way to safely spray modern paints using hardeners. Some individuals may have a higher tolerance for the adverse effects of isocyanates in hardeners than others. Not everyone is the same though and like you, I learned the hard way many years ago that a cheap mask, even a charcoal one, was NOT sufficient. Painting outside is not a solution either. I have always done all my painting outside. Not long ago I repainted the moldboard of my Fisher snowplow - also outside. Because of the curvature of the moldboard, I was totally enveloped in overspray being redirected directly into my face. I could barely see where the paint was actually being applied, only 2 or 3 feet away. My full-face supplied-air respirator protected not only my lungs but my eyes also.

Unless someone is required by employment rules, using a supplied-air respirator when spraying paint with hardeners on a DIY basis is a personal choice, as it should be. No, the equipment is not cheap, but it's always best to minimize a real risk to your own safety and good health. Using hardeners is, for the most part, optional for enamels except for the urethanes. My advice to anyone contemplating using hardeners in paint is to get the proper supplied-air equipment or simply don't use optional hardeners (or urethanes, which require such additives).

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Formerly PaMike

11-24-2013 07:52:59

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 Re: Valspar hardner in reply to Rod (NH), 11-22-2013 17:07:26  
I bought a full face supplied air system after painting for several years without one. I dont know why I didnt do it sooner. Yeah, it costs some bucks, BUT I can actaully sleep at night after painting. The chemicals used to make me have trouble sleeping for a few days. Plus, when I am on the ground under a tractor you dont have all the over spray falling in your eyes. Plus, the air blowing on your face keeps you cool and refreshed....

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David G

11-24-2013 08:45:12

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 Re: Valspar hardner in reply to Formerly PaMike, 11-24-2013 07:52:59  
That is what I have, love it.

I have 50' of hose. It is important to keep the blower in the fresh air. I had it too close once and suffered for that.

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