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Ghianightmare
Spa-Francorchamps


Joined: 25 Apr 2017
Posts: 341
Location: Dublin


PostPosted: Thu Apr 25, 2019 9:40 am    Post subject: Reply with quote

Wh1t3Kn1ght wrote:
I've been very happy with the Bilt Hamber products and for my 944 restoration job I've just purchased some of their coatings for chassis restoration, do a search on here and you will find some 993 restoration examples using these products -

Deox Gel - Non-toxic rust removal gel
Electrox - zinc based primer
Dynax Seam - Fast drying, brushable, flexible anti-corrosion seam sealer
Dynax S50 - duty anti-corrosion wax for cavities, voids and long term protection

I plan on putting either some Wurth Stone Guard or 3M Schultz on top of the Electrox and the the Dynax S50 over the top of that.


+1 for Bilt Hamber. The Deoc C granules that you dissolve in water to make a rust eating bath are brilliant. I have used it to remove rust from inside old car fuel tanks, motorbike exhausts, nuts, bolts, brackets clips - you name it. Detox gel with cling film over it to stop it from drying out on the front wheel arch lips - left for 24 hours, repeated where necessary, washed off and then coat in the zinc spray last summer - has lasted all winter with not a sign of rust. I must finish off with body matching top coat!

All of the underside of my car washed and coated with the Dynax last summer too as it had worked well for me on classic cars in the past
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coullstar
Albert Park


Joined: 15 Sep 2015
Posts: 1526
Location: Aberdeen/Torphins


PostPosted: Thu Apr 25, 2019 11:57 am    Post subject: Reply with quote

Also used the Bilthamber de-ox gel and worked a treat,
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NedHan79
Nürburgring


Joined: 08 Nov 2018
Posts: 487



PostPosted: Thu Apr 25, 2019 12:12 pm    Post subject: Reply with quote

Following with interest. I’m going to strip the under seal off and give it whatever love it needs. Obviously I want to repair any nasty bits however possible but I also want to paint the chassis to a nice standard. Not sure if I’d go for a sealer again as the car won’t be out much in the winter. I’m obviously after all advice possible as well
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EGTE
Imola


Joined: 06 Jul 2015
Posts: 830



PostPosted: Fri Apr 26, 2019 8:32 am    Post subject: Reply with quote

Place near to me does enormous amounts of rust-treatment and sealing (they import Jap cars......). They strongly recommend DiNitrol 4941 as a sealant (and are not fans of WaxOyl, which they say does not last long enough).
 
  
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UncleP
Silverstone


Joined: 27 Feb 2019
Posts: 123



PostPosted: Fri Apr 26, 2019 10:59 am    Post subject: Reply with quote

Bilt Hamber user here as well.

I used Deox C gel on the wheel arches and underside of a project car after removing the old stone chip coating and rust using a twist knot wire brush on a grinder (drill wire brushes aren't aggressive enough and polycarb wheels don't last long enough).

Once I rinsed the Deox off I coated with Hydrate 80 which acts as a primer. belt and braces I then applied Jotum 80 which is a 2 part epoxy used for marine applications which can be used as a top coat or a primer. Braces on top of my braces I then sprayed U-pol gravitex over this. Using a Schutz gun this gave me an OE look stone chip finish. For any seams I used Grey stripe brush on sealer and harder to reach areas I used Tiger Seal. This was done before the gravitex was applied.

I often use POR15 for sub frames, brackets, suspension arms and also for a lot of motorcycle parts. I tend to use the 3 part pack with the degreaser/prep. It's a great product.
 
  
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wasz
Sepang


Joined: 28 Dec 2012
Posts: 2950


1999 Porsche 996 Carrera 2

PostPosted: Fri Apr 26, 2019 8:09 pm    Post subject: Reply with quote

I heard Bilt hamber deox active ingredient is citric acid (hence apparently safe to eat....)

You can make some up mixing citric acid with wallpaper paste Wink

Have a read: https://www.mig-welding.co.uk/forum/threads/alternative-to-deox-gel.65028/

I used phosphoric acid gel.

Coca Cola has phosphoric acid in it, the reason for this is to make you feel slightly thirsty after drinking some, and hence you buy more.

Check the data sheets of expensive treatments!
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