Had this with a couple of bottles I got from JE.
ended up throwing them cos it was just crap. P*** thin and taking about 8 coats. Tried leaving and stiring but it just went all lumpy.
I was told by RCBoyz in January that some were shipped in the crap, -40 degrees weather, and the sub zero temps, knacker it. But you can't tell until you open the bottle and smell baby sick.
I've just started using the fasmask stuff now. It's improved LOTS, and no longer smells bad.