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Preshading without clogs

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  • Member since
    August, 2012
Preshading without clogs
Posted by JMorgan on Saturday, February 18, 2017 4:13 PM

I use a Paasche Talon gravity-feed airbrush with the pressure at 15 psi and enamel paint thinned 50:50. I keep getting clogs. How do you prevent this?

  • Member since
    July, 2004
  • From: Sunny So. Cal... The OC
Posted by stikpusher on Saturday, February 18, 2017 5:22 PM

What paint and thinner are you using? At 50/50 ratio there should be no clogging problems at that psi. Unless your paint is bad with lots of particles, it should not be clogging your airbrush.

 

F is for FIRE, That burns down the whole town!

U is for URANIUM... BOMBS!

N is for NO SURVIVORS...

       - Plankton

LSM

 

  • Member since
    August, 2012
Posted by JMorgan on Saturday, February 18, 2017 6:54 PM

I am using Model Master enamel paint and airbrush thinner.

  • Member since
    July, 2004
  • From: Sunny So. Cal... The OC
Posted by stikpusher on Saturday, February 18, 2017 7:24 PM

And everything is stirred thoroughly? No clumps or particles in your mix in the cup? Enamels are not as prone to tip drying as much as acrylics. 

Have you cleaned your airbrush since encountering the clogging? And if so, did you come up with anything?

I am just trying to eliminate the obvious problems first.

 

F is for FIRE, That burns down the whole town!

U is for URANIUM... BOMBS!

N is for NO SURVIVORS...

       - Plankton

LSM

 

  • Member since
    August, 2012
Posted by JMorgan on Saturday, February 18, 2017 11:41 PM

I will try a thorough cleaning and straining the paint through pantyhose and see what happens.

  • Member since
    July, 2004
  • From: Sunny So. Cal... The OC
Posted by stikpusher on Sunday, February 19, 2017 12:03 AM

Is it a metallic paint giving you problems? Sometimes those have larger grain pigments.

 

F is for FIRE, That burns down the whole town!

U is for URANIUM... BOMBS!

N is for NO SURVIVORS...

       - Plankton

LSM

 

  • Member since
    August, 2012
Posted by JMorgan on Sunday, February 19, 2017 2:02 AM

No, just regular MM flat black.

  • Member since
    November, 2009
  • From: Twin Cities of Minnesota
Posted by Don Stauffer on Sunday, February 19, 2017 11:23 AM

Just try a little more thinner.  While I start with a 1:1 mix, I often add a little more for any of several reasons, including clogging.  One problem with MM enamel- it settles in the bottle real fast, so depending on how you pour or suck up the paint, your original paint may vary in thickness even with a lot of stirring in the bottle.

I have contemplated a gearmotor driven bottle rotator to keep the MM enamels I am using on a model continously mixed.

Don Stauffer in Minnesota

  • Member since
    August, 2012
Posted by JMorgan on Sunday, February 19, 2017 1:48 PM

I'll definitely bear that in mind next time I preshade, Don. Thanks!

  • Member since
    October, 2010
Posted by Jdogg on Sunday, March 19, 2017 10:03 PM
I had the exact situation happen and found that my paint had lumps in it. Strain it out, wash the bottle and you should be on your way.

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