Solvent question

Jun 30, 2021 Last reply: 5 years ago 13 Replies

A neighbour has given me a part-used can of Baufix metal paint. I suspect a bit of thinning may be needed to optimise the paint. As it happens, I have two tins of Hammerite thinner. Does anyone know if the two solvents are basically the same?



I also have a large tin of Hammerite but I would prefer to use the small tin first.


Try a very small amount?

Always a good principle.

This is the Aldi-Lidl one.

IIRC Hammerite thinners used to contain Xylene but it went out of favour / got banned.

My guess is that the Baufix will either want white spirit or cellulose thinners (and maybe either will work). Acetone (nail varnish remover) might be another option if you only need a small quantity, relatively cheap in Aldi-Lidl.

Isn't the required information printed on the tin? If yours has been obliterated, I think I have a tin in the workshop I could look at, if that's any help.

You may find that Aldi/Lidl nail varnish remover is acetone free!

Possibly google for the safety sheet.

Baufix Universal Cellulose Thinner.

Thanks everyone. The problem is that I don't want to contaminate someone else's tin of paint by trial and error. Baufix lists a number of hydrocarbons and Hammerite lists naptha and heavy petroleum. I suspect they are much the same but I wondered if anyone has experimented.

Rather than go looking for Baufix solvent, I will in necessary use the bigger tin of Hammerite. The Baufix looks quite well diluted already so it may be fine as it is.

On Thu, 01 Jul 2021 13:00:48 +0100, Scott snipped-for-privacy@gefion.myzen.co.uk> wrote: [snip]

Thanks again. The whole plan has collapsed. The paint I was given is far too thin - even after a lot of stirring - to be effective. I wonder if the neighbour has diluted it with white spirit? The tin of Hammerite was not properly sealed and has gone solid. New paint.

A trick to remember for the future that keeps paint fresh almost forever is after putting the lid back on firmly (*VERY* important). Invert it and run the remaining paint around the inside of the lid to wet out the joint between lid and can from the inside. That way any minor leak doesn't cause trouble and the paint surface doesn't skin over.

The pigments may settle out and be hard to disperse again but the paint stays liquid.

Oh, I don't think it used to be. Blame those buggers for mis-using TATP.

Or just store the tin upside down. Provided the lid and the neck of the tin have not been damaged, it is very unlikely to leak (IME).

Foam gun cleaner from toolsatan then ...

I thought inverting it would make it upside down :-)

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