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-   -   Rust proofing (https://www.the75andztclub.co.uk/forum/showthread.php?t=296631)

gnu 16th June 2019 11:35

Rust proofing
 
I've got to treat some corrosion on the R25 this summer. I was going to use some Bilthamber wax and paint on the underside: dynax S50 & UB (brushed on, unless advised otherwise - I don't have spray kit). How must would I need for a small hatch of each product?

roverbarmy 16th June 2019 12:58

Dynax S50 comes in spray cans with an option for a 360 degree spray lance for inner sections (access via drainhole). One can treated both my sills and a coat on the rear suspension too.;)


https://i.imgur.com/GH4ni5J.jpg?1
https://i.imgur.com/KoeqnRC.jpg

gnu 16th June 2019 15:26

Thanks, one can of S50 then. Anyone know how much UB for the external surfaces? Thanks

gnu 16th June 2019 16:50

Thanks, one can of S50 then. Anyone know how much UB for the external surfaces? Thanks

SCP440 16th June 2019 19:02

Quote:

Originally Posted by gnu (Post 2741011)
Thanks, one can of S50 then. Anyone know how much UB for the external surfaces? Thanks

You might get away with 2 cans but 3 would be safer.

You don't need to plaster it on for it work.

roverbarmy 17th June 2019 10:16

Quote:

Originally Posted by SCP440 (Post 2741066)
You might get away with 2 cans but 3 would be safer.

You don't need to plaster it on for it work.

I agree! One can did one coat. I've used another, once the first dried (took ages) and have another part used for touching up.:}

Blink 17th June 2019 10:54

Bilt Hamber sell kits here - https://www.bilthamber.com/detailing..._store=default - slightly cheaper than buying the same products separately.

2 x dynax-s50 750ml
1 x dynax-UB 750ml
1 x dynax-UC 750ml
1 x surfex HD 1L

£59.95 instead of £70.00

Which one to use where - https://www.bilthamber.com/which-cavity-wax

COLVERT 17th June 2019 11:44

Spray cans are a much better bet than paint on.

The liquid will get into places that you can't see and could possibly miss.---:D

T16 17th June 2019 14:15

I will add my thoughts.

I stripped down my entire rear end, new everything apart from subframe, but all the parts I sent off for blasting, zinc priming, then finished in off-shore grade black 2pack paint. (even the new bits as the standard finish is garbage)

I then used 3M white cavity wax inside the subframe and upper arms, which worked wonderfully, and also then used Dynax-UB to coat all the steel brake lines and fittings and bolt heads under the car to prevent anything corroding.

I cannot recommend the dynax UB enough, it is great stuff. A huge can, and if you multi layer it, even if thick it dries quite clear over time so it does not really affect the look of the car.

gnu 17th June 2019 20:14

Thanks for the advice :D


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