I'm wondering if and Aussies would know, is Wellseal the same stuff we know as Stagg in Australia?
I think they are both made by the same company and both contain a solvent call pre-chlorethane, excuse the spelling. From experience Wellseal is quite thin, almost liquid and can be applied with a paint brush while the Stagg I've used in industry is very viscous and is applied with a scrapper or spatula.
.. is made by a company called Stag (one "g") but I'm not aware of any connection with the company you mention. John: I think it's perchlorethylene wjich is a less hazardous version of trichlorethylene or "trike" which we used with gay abandon in the 1960s to clean instrument works in power stations. Its use may go some way to explaining my failing memory......
You would have got a bit of a 'buzz' off the trike at the time though; albeit shortly before you passed out!
Whereas perchloroethylene is used in Wellseal as you say, I think the ‘trich’ you are referring to is trichloroethane m, which was widely used in cleaning baths for all sorts of components. In my experience, it worked perfectly well on Buccaneer brake units and Mk3 engine parts! Heady stuff if the extractor fans were not turned on, which often weren’t because they were noisy!
John, that probably explains it.
We don't get Wellseal in Australia but I've heard it used to solve many problems in the UK.