Hi All,
down at the LHS earlier today and bought two bottles of XF-73 Dark Green.
Thinned it in the usual way and it went on beautifully.
Mixed some XF-61 Dark Green into the second bottle and my airbrush clogged. I cleaned it and pulled a gloopy mass from the feed tube and bottom of the nozzle. The gloop reminds me of a glue we used to use back in the old school days when it was drying 'Copydex' it was called.
At first I thought I'd sucked up a piece of tissue paper I'd used to wipe the outside of the tin dut it definitly isn't tissue paper.
Anyone have any ideas or had the same problem?



Tom

Did you do anything different when you thinned it - same thinner as usual. What thinner do you use. Have never come across the problem but would like to know further details to see if i can help.

Andy

Hi Andy,
I used the same thinner I've been using since I heard about it here on Armorama, Windscreen Washer Additive with isopropyl alchohol in it. Mixed it well all as before.
Never had the problem before.
I'm just happy I was using my old single action airbrush (which can be dismantled very easily and not my double action one) and painting the bottom of the tank.
Earlier this evening I painted my BTR 80A with XF-61 with no problem and I used the XF-73 on my 2S1 Gvoddika before that also with no problem.
To be honest what I pulled out of my airbrush would've looked right at home in a hankie after a good nose blow
I'm going to experiment on some old crap plastic tomorrow and see what happens.
Will keep you posted.
Tom

EDIT:
The gloop's drying hard now.

Tom

I'm at a loss as to whats happened - maybe it's a duff bottle of paint - not that i've had one of those. Good job it was the easier airbrush :-)

Andy

Tom,

One of the things that I do, is to mix up batches of thinned Tamiya in seperate containers, I then add a little Tamiya Thinner to the jars as they reduce in quantity, because when you describe it starting to go hard, it would suggest that you basically have the remainder of a jar of pigment, which is reacting to the air left in the jar, even with the lid on. I have only found it going funny and starting to dry, when I have had a bottle in that condition. As I have never found it posible to reserect a jar in that condition, why risk a model, throw it away and buy a new jar of paint.

John

It could be a glob that has been building-up all this time. Had that experience lately with my double-actin Badger. Found some chunks of Mr Surfacer in it a week later after my last priming.

Thanks for the advice all and I've chucked the bottle in question.
Tom