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calvin(at)mlgc.com
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 Posted: Wed Jan 09, 2008 6:55 am Post subject: Polybrush help |
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Wade
Have your considered the fact that the new heater you have may be introducing contaminates into the air. You say its a JP4 heater, is that the same a kerosene? If it is and you are venting it directly into your spraying environment it could be your cause of problems. Also could be a source of ignition of your over spray fumes.
Cal Anderson
Time: 12:32:19 AM PST US
Subject: Polybrush help!!!
From: "wadegreaves" <reinagreaves(at)comcast.net (reinagreaves(at)comcast.net)>
I am lost!
I got my spray equipment up to par with a filter/water trap. Have plenty of line
and a good HVLP gun. Thinned my polybrush out with 65-75 (3:1). Gun sprays
nice and smooth. I clean the surface with MEK to ensure there is no contaminants....
Then I spray the fabric and it literally looks like water on a well sealed deck.
Doesn't want to settle smoothly. It will bead up into blobs here and there.
Could this be due to low air temperature? That's the only think I can think of.
It is cold here in Oregon right now...in the 30s. I am heating my hangar up
to probably about 50 or so. The minds at the field seem to think that low temps
and spraying polybrush is fine.
I bought a JP-4 powered forced air heater to get my hangar toasty and am hoping
that the warmer air will eliminate this problem.
Anyone else heard of or observed this odd behavior? (not mine...the polybrush's)
Any advice would be great....losing it over here! [Evil or Very Mad]
[quote][b]
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wadegreaves
Joined: 25 Jul 2007
Posts: 14
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| Posted: Fri Jan 11, 2008 12:47 am Post subject: Re: Polybrush help |
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This Diesel/JP4 heater has been the best investment for my hangar yet. Heats it up nicely and seems to burn pretty hot and clean. No evidence it is spitting out residue. I keep the place pretty ventilated though....discovered a guy on the job (cop) who gassed himself to death....at least when your dead from that stuff you stay nice and red (not pale)....on to better things.
Heater not only seems to help with painting when all the surfaces warm up and get rid of condensation, it also makes life out there actually comfortable!
And to all who worry, yes, I shut that puppy off well before pulling out any flamables. Our hangars are insulated so after turning it off, the place stays cozy for a few hours.
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