5stars
78ratings4stars
9ratings3stars
4ratings2stars
1rating1star
1rating
Would recommend97% agree
Good value97% agree
Good quality97% agree
78 reviews
Cortanin
Good stuff didn't turn purple as in instructions and took 2 days to dry in some places it's left the rusty areas dark colour but has done the job and works out cheaper than the big brand names done a full exhaust system and patches under car all around wishbones before I paint them and only used half a bottleRead full review...
Verified purchase: Yes | Condition: new | Sold by: dptrade
Amazing product, does exactly as described
Really impressed with the product. I've been after a cheap, but good product that would 'eat' the rust and form a protective black layer on top. I was a bit dubious at first, but thought as the product is a decent price, I went for it.....i wasnt disappointed! I used it on some metal brackets in my wife's car that had rusted over time due to wet weather and snow. Iron oxide was flaking off and I needed to stop it before I would have to replace all the brackets. Th le fact that it's a foreign product with no English instructions at all (except on sellers page) attracted me straight away! I thought this must be good as it hasn't got the usual 'BS' on the side of the bottle. It does exactly as described. The liquid is runny, but does the job perfectly. I wish I had taken before images, but instead I have pics of after painting and of the liquid itself. The paint brush I used was just a simple cheap art brush, which washes easily in water. Great product!Read full review...
Verified purchase: Yes | Condition: new | Sold by: dptrade
Alternative rust treatment!
Thick brown liquid
Brush or wipe on to surface to be treated leave a couple of minutes then wipe off, heavy rust might need further applications.
works well and leaves a clean surface
Would advise not leaving on for to long as forms a sticky tar like substance that is then difficult to remove!.
Do not forget that it is a rust REMOVER not a CONVERTER so any cleaned surface will need treating so that the rust does NOT re-occur!
Protection or painting is advised after any rust treatment!
good value for money.Read full review...
Verified purchase: Yes | Condition: new | Sold by: dptrade
Rust converter
I bought this for the rust on my vw camper van you just brush it over the rust and it converts the rust into a stable material to paint straight over ,great product works well 👍
Verified purchase: Yes | Condition: new | Sold by: dptrade
Perfect
Was really surprised just how well it worked, left it on for 24 hours as directed and it made the rusted parts solid
Very happy 👍
Verified purchase: Yes | Condition: new | Sold by: car-shine-system
Had a rust spot under the detergent draw of washing machine, fixed it with this, also good for rusty screw heads
Verified purchase: Yes | Condition: new | Sold by: car-shine-system
Value for money product.
This is an extremely good product for someone looking for a anti rust product.
The product is easy to apply using a paint brush and produces excellent results.
Would recommend that you use the product outdoor where possible or ensure that you have a well ventilated area if using indoors.Read full review...
Verified purchase: Yes | Condition: new | Sold by: car-shine-system
Cortanin F rust treatment
I bought this to treat the rust on my 1999 ford transit camper van and it works well,easy to apply and value for money compared to other similar products, I haven't found a better value rust killer.
Verified purchase: Yes | Condition: new | Sold by: car-shine-system
Cortanin F Rust Treatment
Brilliant stuff. Easy to use.... no washing off/sanding... just paint!
Economical highly recommended.
Verified purchase: Yes | Condition: new | Sold by: car-like-new
Worthwhile
Brilliant product used many rust killers over the years but this is by far the best
Verified purchase: Yes | Condition: new | Sold by: dptrade