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I've left it to settle, so the pigment ends up at the bottom, then skimmed off the clear spirit at the top. Good enough for the first pass at brush cleaning. Final clean in fresh. Running it through filter paper would be the quick way to remove pigment particles. The various oils and solvents in the paint will still be dissolved in the white spirit. There is always fractional distillation, but running a still might attract the attention of HMRC!

Jen

Edited by Jen-in-Wellies
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14 minutes ago, Jen-in-Wellies said:

I've left it to settle, so the pigment ends up at the bottom, then skimmed off the clear spirit at the top. Good enough for the first pass at brush cleaning. Final clean in fresh. Running it through filter paper would be the quick way to remove pigment particles. The various oils and solvents in the paint will still be dissolved in the white spirit. There is always fractional distillation, but running a still might attract the attention of HMRC!

Jen

Thanks, yes the settling system is what I had thought the easiest. I will try some filtering too, to see how it goes.

No hmrc anywhere near us of course, in fact there are plenty of stills in the locality.

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Just now, Stilllearning said:

Thanks, yes the settling system is what I had thought the easiest. I will try some filtering too, to see how it goes.

No hmrc anywhere near us of course, in fact there are plenty of stills in the locality.

Yes, I only noticed the location after I posted. A much more relaxed attitude there. Just make sure you clean the still out before making anything you plan to drink!

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26 minutes ago, Jen-in-Wellies said:

I've left it to settle, so the pigment ends up at the bottom, then skimmed off the clear spirit at the top. Good enough for the first pass at brush cleaning. Final clean in fresh. Running it through filter paper would be the quick way to remove pigment particles. The various oils and solvents in the paint will still be dissolved in the white spirit. There is always fractional distillation, but running a still might attract the attention of HMRC!

Jen

And there's me thinking I'm the only tight-arsed one!

 

 

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As a professional boat signwriter and decorator, I recycle and re-use white spirit constantly. Left overnight in small tins, the pigment sinks to the bottom and the amber coloured spirit is ready to go again once decanted off, perfectly adequate for washing brushes and wiping palettes etc.

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2 hours ago, Mac of Cygnet said:

Having just painted my front door I had a lot of paint mixing and brush cleaning to do, and ran very short of white spirit.  It's not available online, and we're in lockdown, so I used petrol for the brush cleaning.  No, I don't smoke.

 

Round here the normal bricks-and-mortar vendors of white spirit are open, although some require you to order online and click-and-collect.

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2 hours ago, koukouvagia said:

Yes it is.  Just received some from Amazon.

 

You're right.  The various places I managed to get my paint from (and that was a protracted process)  all said that white spirit couldn't be delivered.  I assumed that it was because it was a flammable liquid, but Amazon don't seem to think that matters.

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Transporting flammable materials is a funny one. Royal Mail won’t entertain it, but many carriers are happy to do so. I order my lettering paints from specialist suppliers and they usually arrive via DPD or some such. Airlines are similarly reticent.

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On 22/06/2020 at 11:00, Stilllearning said:

Can one clean up used white spirit so that it can be reused? Does filtering work I wonder?

I 'use' very little white spirit. Two empty jam jars and an empty plastic milk container - 1 litre? Clean brush twice using jar 1/jar 2 - decant used spirit into milk container - leave. As stated, pigment will settle out leaving slightly discoloured liquid. Decant carefully back into two jars. Repeat.

Pigment may take variable time to settle out - depends how often you want to clean brush. If it's a longish job, wrap brush in cling film between sessions. Works for me.

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On 22/06/2020 at 19:58, dave moore said:

Transporting flammable materials is a funny one. Royal Mail won’t entertain it, but many carriers are happy to do so.

I received 2 x 2l isopropyl alcohol through Royal Mail...have you seen that go up!!

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