Flocal Posted August 2, 2013 Report Share Posted August 2, 2013 Anyone used this before, any good? Link to comment Share on other sites More sharing options...
Grace and Favour Posted August 2, 2013 Report Share Posted August 2, 2013 It's 'OK' - there's nothing wonderful about it....I've had better results using simple Phosphoric Acid and a good primer~undercoat etc Link to comment Share on other sites More sharing options...
leolady too Posted August 2, 2013 Report Share Posted August 2, 2013 It's always looked like watered down Vactan to me so I stick to Vactan. Link to comment Share on other sites More sharing options...
Bobbybass Posted August 2, 2013 Report Share Posted August 2, 2013 Never had much luck with it. Vactan and a good primer is just as good. Expensive for what it is...and I have found rust sneaking around under it after a while. Link to comment Share on other sites More sharing options...
Flocal Posted August 2, 2013 Author Report Share Posted August 2, 2013 Cheers. Do u just paint it on, let it cure and paint under coat on top? and what's Vactan Link to comment Share on other sites More sharing options...
Grace and Favour Posted August 2, 2013 Report Share Posted August 2, 2013 Cheers. Do u just paint it on, let it cure and paint under coat on top? and what's Vactan Vactan Link to comment Share on other sites More sharing options...
Pembroke Posted August 2, 2013 Report Share Posted August 2, 2013 Cheers. Do u just paint it on, let it cure and paint under coat on top? and what's Vactan I've just used this while repainting and it does seem to stop the chemical reaction You need to remove all the rust first though It is also worth using on any exposed metal surfaces You only need a little bit and pour what you need into a glass jar as if you use it straight out of the hammerite container the second you dip,the brush in, the whole lot is ruined - something to do with Chemistry Apply with a brush and it should be dry in about half an hour or so then just overcoat Link to comment Share on other sites More sharing options...
darbon Posted August 3, 2013 Report Share Posted August 3, 2013 I've used kurust in the past on cars and boat. Seems to work quite well, but how can you tell? Would probably have been ok without it. My current opinion is that it's a waste of time and money. I'd be very interested to hear a more enlightened opinion than mine. Iron requires oxygen to form iron oxide (rust) water merely speeds up the process. It cannot oxidise without access to the air. Rust starts under paintwork because of a chip or scratch that allows the iron access to oxygen, the reason it spreads is because the rust begins to lift and crack the paintwork around it allowing more oxygen and water in. Left unattended will gather momentum. Now a good brushed/sanded/primed/painted surface has no access to oxygen so why need any chemical reaction to convert the tiny traces of rust left? Personal opinion of course Dan Link to comment Share on other sites More sharing options...
madcat Posted August 3, 2013 Report Share Posted August 3, 2013 belt and braces? Link to comment Share on other sites More sharing options...
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