Prevention - Bilt Hamber Dynax S50

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Bilt Hamber Dynax S50 | High Protection Rust Proofing Cavity Wax

Anti-corrosion cavity wax that provides exceptionally long-lasting protection to steel surfaces. Designed for Cars, Boats and Machinery.

Product Code: Deox Dynax S50

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Check out our Product Guide for Common Uses for PPC CO. Products on restoration projects.


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Bilt Hamber Dynax S50 | High Protection Rust Proofing Cavity Wax

Dynax S50 is a high-performance anti-corrosion wax that provides exceptionally long-lasting protection to steel surfaces. It creeps into welded seams and seals surface defects. Dynax S50 forms a soft, brown, wax-like film that self-heals in the event of disruption. It is also able to arrest existing corrosion and to provide long-term protection to pre-corroded and corrosion-free surfaces.

Dynax S50 has been proven to substantially outperform competitive material in salt-spray trials under conditions of ASTM B117.

Dynax S50's soft-film is optimised for enclosed cavities where extremely corrosive conditions develop. Dynax S50 is also recommended for protection of valuable machinery and component in transit, machine tools, moulds etc.

Dynax S50 can be removed using suitable solvent. Dynax S50 is not formulated for prolonged exposure to ultra-violet (UV) light.

The advanced metal seeking anti-corrosion molecules which form Dynax S50 are able to displace water, so even damp surfaces can be protected, these same molecules arrest and prevent corrosion even on already rusty surfaces and provide remarkable self-healing abilities if the film is damaged.

Whilst Dynax S50 is primarily a cavity rustproofing compound it's also able to prevent corrosion in a multitude of mud traps and water collecting voids. Dynax S50 has been used with superb results to protect voids and cavities in steel boats, vessels, off shore installations and other steel structures subject to severely corrosive atmospheres.

▶   Class-leading long-term protection for cavities, voids, chassis, doors, mud traps machinery, boats etc etc
▶   Resistant to changing conditions found in cavities, others are not
▶   Self-healing, protects even if film is cut
▶   Clings to vertical surfaces
▶   Displaces moisture
▶   Kills existing corrosion
▶   Deeply penetrates flanges and folded seams
▶   Easy to use - atomises superbly
▶   Low odour
▶   See-through coating with brown tint
▶   Provides Lubrication
▶   Available in ready to use modular injection system

Dynax S50 is designed to protect steel surfaces in extreme conditions. It's well known that vehicle cavities are subject to a wide-range of corrosive environments, from salt spray to high humidity, heat, fresh water and freezing.

The cavity wax chosen must cope with all these variables and continue to provide the necessary protection - maintaining the structural integrity, safety, and value of the vehicle.

It's common for manufacturers of cavity waxes to quote salt-spray results in hours for their cavity waxes and while the salt-spray test is severe it's been shown that waxes with very good salt-spray performance can rapidly deteriorate when the environment changes, for example after a period of constant salt-spray they swell become bloated and detach from the surface in an atmosphere of high humidity alone.

Dynax S50 has been proven to provide outstanding salt-spray protection and continuing protection in changing conditions with no swelling or detachment whatsoever.

You'll see below how Dynax S50 compared with two extremely well known cavity waxes in constant salt spray trials.

How Dynax S50 compares to leading competitors:(from left to right)
1. Acclaimed Swedish Cavity Wax shows high degree of failure.
2. UK's leading anti corrosion wax shows total failure.
3. Dynax S50 protected metal is still in exceptional condition.


These standardised test panels have been removed from an ASTM B-117 hot salt spray trial after an extremely aggressive 2000 hours. - the rear of the panels show that the steel left unprotected is almost corroded through.


The panel fronts as removed are difficult to asses as corrosion streaks and marks are left as during the test the unprotected panel edges allow corrosion deposits to pour down the vertically positioned panels.


After solvent washing the panel fronts any remaining waxy film is removed, allowing inspection of the underlying surface. Assessment of the product performance is then easy.

Penetration Tests

If you decide to treat your car or vehicle to additional corrosion treatment it's important to select a cavity wax that can penetrate into welded flanges seams - these are the areas proven to be the first to corrode - in fact the Swedish Corrosion Institute conducted a thorough investigation into vehicle corrosion by sawing open the bodies of 845 collision-damaged cars manufactured between 1994 and 1997, the corrosion observed in the flanges and seams resulted in the recommendation that even on cars with reasonably good cavity fluid treatment applied at the factory a complementary treatment be used within 3-4 years of manufacture. This investigation also proves, despite popular belief, that modern cars just like classic and vintage ones require after market rust proofing.

Dynax S50 has a high solids content of over 50%, it's this content that forms the anti-corrosion coating, and whilst other high solids materials don't penetrate sufficiently Dynax-S50 creeps by capillary action deeply into seams, flanges and folded edges, in side-by-side trials Dynax S50 has been proven to creep significantly further than other cavity waxes, some with solids contents as low as 25%.

1. Acclaimed Swedish Cavity Wax
2. UK's leading anti corrosion wax
3. Dynax S50

How to Use

Use a brush, roller or spray to apply Dynax S50. Atomisation into enclosed cavities and voids is recommended to ensure thorough coverage of all surfaces. Dynax-S50 contains highly polar corrosion inhibitors that are able to displace surface moisture; very wet surfaces should be pre-treated using Bilt-Hamber Ferrosol.

Dynax S50 injection system requires no compressor or additional equipment

Dynax S50 is available in 5 litre tubs to 200 litre drums and upwards for spray application, for those without access to professional wax injection equipment Bilt Hamber Laboratories have developed a superb system enabling Dynax S50 to be applied at high pressure simply, quickly and without mess.

The pressurised giant-sized Dynax S50 aerosol dispenser accepts interchangeable heads: The 60cm cavity injection lance has a brass, precision fluid-tip drilled radially to deliver at high-pressure, a dense, finely atomised circular mist of Dynax S50 ensuring 3600 coverage of box sections and cavities.

For accessible areas the extension tube is removed and a solid-cone spray pattern actuator simply clipped in its place.

The pressurised aerosol dispensers contain a useful 750 ml (3/4 of a litre) of material.

Dynax S50 Pack with 60cm cavity injection lance

Dynax S50 is tolerant of a broad range of application pressures and will form a coherent film upon application. Dynax S50 will increase in viscosity at low storage temperatures.

It's recommended to place container in a room at around 15 degrees C for 24 hours prior to use particularly when using low pressure equipment for spray application.

For non aerosol-dispensed Dynax S50 warming the container (loosen cap first) by standing in a hot water bath will further reduce viscosity and is beneficial where deep crevice protection is required. Never heat aerosol dispensed product.Ensure that cavities are left unclosed for a period of 48 hours to allow the escape of carrier materials before bunging or stopping.

Dynax S50 will provide excellent protection at a wide-range of film thickness - aim to achieve a uniform dry-film thickness of around 50 microns. The tolerance of the material to maintain protection at very low film thickness makes Dynax S50 the ideal choice where surface inspection is not easy or where uniform coatings are simply not possible.


Dynax S50's all round spray pattern can be seen easily here

PRODUCT INFORMATION
msds Dynax S50 Product Information Sheet
msds Dynax S50 How to Use

The information contained herein is based on data considered accurate and reliable to the best of our knowledge and belief as of the date compiled. However no warranty is expressed or implied regarding the accuracy of these data or the results to be obtained from the use hereof.

PRODUCT INFORMATION
msds Dynax S50 Material Safety Data Sheet

The information contained herein is based on data considered accurate and reliable to the best of our knowledge and belief as of the date compiled. However no warranty is expressed or implied regarding the accuracy of these data or the results to be obtained from the use hereof.

  • Dynax S50 on a MX5 Mk4
    Used the S50 on the body cavities and the under wheel arch protector areas.
    Great coating and easy to apply with the aerosol.
    Will try it with a compressor next as I have a 5 litre can of it and I reckon that may be best for blind cavities.
  • Quality product
    I have used Dynax s50 on several classic cars over the last eight years and I would recommend it to any classic car owner.
    It is very easy to use, with its high pressure aerosol can and the well designed good length flexible lance - a can goes a long way and the reasonable price is well worth it.
    It is not as messy to use as some other wax products.
    A quality product that performs well.
  • Better than I could ever have expected
    Very rarely these days do I feel compelled to write a review of praise for a job well done!
    There are too many mediocre products on the market today all vying against each other to be top of their game that most companies seem to have forgotten to make their products of any use.
    I recently purchased some 'hydrate 80' and a couple of large cans of 'dynax S50' to use on an MGB project i'm working on at the moment and have to say I'm completely blown away by both products. On previous projects i've used your competitors products (you know which ones!) which by comparison are very hard to use and just do not do the job they were designed for.
    Both the hydrate and dynax are incredibly easy to use and perform far better than I could ever have expected, thank you!.
  • dynax s50
    Some people dream of owning a "classic car". But I bought "The British Icon". I've always been in a Land Rover from a very young age, as it was my Dads favorite car manufacture, He's had Range Rovers, Disco's, but the work horse Land Rovers I always loved. We had all the series models from 2, 2a, 3, to Defender.. I passed my test in a 110 defender (my Dads).
    So when I got married had kids (3) I wanted a Land Rover Defender.. And I got a cracker.. I was lucky enough to afford a Defender XS twin Cab, which suited my working live as a butcher (doing farm vists etc), as well as my love of the outdoors and camping. It has full climate pack including heated leather seats & full air con.. I have totally re built a MG BGT (my first car) when I was a teenager... So the thought struck .."I've got My car of dreams". This one's for keep's. Instead of fixing corroded body panels in the future why not preserve it!!!! I got my Defender brand new in 2003 and Waxyoiled it straight away..But it was a hard filthy job !! Waxoyl is thick and lumpy, even after heating it up as near boiling point as I dare to!!! The result on the out side of the chassis was O.K , but I was not convinced with the Waxoyl injection system (a nail stuck in a plastic pipe).

    Two years later I noticed it was peeling off and sagging, and in summer it was literally melting, and making a mess on the drive... In 2006 I was in a Pub in a local canal mooring site and got talking to some boat enthusiasts, who were doing up a barge, given that they are metal hulled, I ask a bought rust protection and Bilt hamber came into the conservation.. The next day I got 12 cans of Dynax S50 from you. I jet sprayed the chassis of the Defender, peeling off any remaining Waxoyl, and cleaning the chassis internally (let it dry for two days in summer) I injected the Dynax S50 into the Chassis, then sprayed the outer chassis.

    It was much easier than using Waxoyl, and your injection system is "THE BEST" for cavity's.

    In 2007 I bought some Dynax UB , steamed cleaned the chassis, and the Dynax S50 was all in-tacked, and had bonded and seeped though what remained of the Waxoyl.

    In my last M.O.T test, (2012) the tester remarked, what the hell's stuck on your chassis!!! I scraped it with a screw driver "and it all closed up and healed it's self in seconds"...That's FIVE YEARS AFTER I SPAYED IT ON.... I did the doors as well, as steel and aluminium re-act causing the paint to crumble on the outside of the doors (remove the inside door cards, and spray away) Needless to say I have no blistering paint any where on my Defender, and have a rust free chassis, thanks to your products!!!! My Defender is 10 years old, I use it every day, it's toured France twice (north & south) Spain (all of it), loads of time spent in the Orkney Isles (Scotland) with all that salt in the air....AND THEIRS NOT ONE FLAKE OF RUST OR ELECTRO REACTION BETWEEN THE STEEL & ALI MINIMUM....It lives outside all year.. and looks still at 10 years old with 150000 miles on the clock in show room condition....Thanks again..........Think I'll get some more this summer, and keep on top of it!!!!.
  • Far better than I could ever have expected!
    Hi All

    Very rarely these days do I feel compelled to write a note of praise for a job well done! There are too many mediocre products on the market today all vying against each other to be top of their game that most companies seem to have forgotten to make their products of any use.

    I recently purchased some 'hydrate 80' and a couple of large cans of 'dynax S50' to use on an MGB project i'm working on at the moment and have to say I'm completely blown away by both products. On previous projects i've used your competitors products (you know which ones!) which by comparison are very hard to use and just do not do the job they were designed for. Both the hydrate and dynax are incredibly easy to use and perform far better than I could ever have expected, thank you!

    I look forward to using your products in the future on this and other cars in fact I might treat myself to some of your waxing/detailing products soon.
  • Easy to use
    I've used it both on my 1969 Landrover, which despite having a galvanised chassis I decided I wanted to cavity wax inside as well, I washed out the chassis, which is all I could really do, then used the S-50, easy to use in as much as there's a nice long tube to get the wax well sprayed inside, with a nice slitted end which sprays to the side in all directions.
    I could only see bits of inside with a torch so it was difficult to check it had covered it all but what I could see looked great, I used 2 1/2 cans (aerosol) for my swb landrover, I have also used it on my MG midget which seemed to work well too, I would suggest using one of the long tubes to inject the wax into some cavities to spray into the ends of blind cavities, I cut the end off one of the tubes to do this, the MG probably took about 2 aerosol cans in total.
    I'm very happy with how it looks, it really does look like it'll stop any rusting. Just think, how much is a new chassis/bodyshell, and just how much time will it take to replace it, spend a few days and get this stuff and some of the underbody and do it.
  • Best and easiest way to banish rust from your car
    I have tried all sorts of ther products to try to protect my car from rust. Getting into the cavities and seams was all but impossible. This product allows you to simply cleanly and easily reach the most confined corners of the vehicle. Having used it now for 5 years on 3 different Volvo P1800's I know the system works. The product is very effective however its the combination of the aerosol and the long cavity nozzles that seals the deal.

    Want to go the whole hog, use hydrate 80 too..... This is truly the best rust converter. And no they are not giving me a discount but I think they should.
  • This stuff is good
    I restored a 200SX a few years ago. Before I used any product, I tested it. For the dynax test, I used mild steel plates, one untreated, one sprayed in waxoyl and one sprayed with dynax. I then salt washed them for a couple of months using a solution of road grit which is pretty aggressive. The results were interesting, the plate with waxoyl corroded faster than the untreated plate. I won’t go into detail but the rough surface waxoyl leaves allowed water to stand on the plate. There are also surface tension problems with waxoyl that harbour the water and indeed the salt. None of these problems were evident with the dynax. After cleaning the plate coated in dynax with solvent, there was no rust whatsoever.
  • Amazing
    I'm new to the classic car scene .ive been in the motortrade for 27 years and did some research into cavity wax . I was amazed with this product how it creeped into cavitys in my rear 1/4 panels. It even found its way along the entire sill sections ( I'd planned to treat these another day )! Will be purchasing some more bilt hamber products now.
  • Dynax S50 5lt.
    Bought a 5lt Dynax S 50 and a sealey SG18 air fed sprayer to underseal my new Ford Transit Custom. Fantastic product! Goes on sparingly with super coverage. It has to be applied into all the cavities and box sections for maximum effect. 5lt is cost effective. Comfortably did a LWB Transit with a bit left to get into the doors. Would recommend this product.
  • Well designed and easy to use.
    I found the S50 product very easy to use. The aerosols packaged with the lance is a great idea. It works very well. Certainly within the DIY realm.
    I used approximately 1.5 aerosols on a small saloon car and I'd have said I've done a thorough job.
    Durability remains to be tested.
  • s50
    I managed to dilute with whitespirit and spray in to the cavities of my hijet camper it was clear to see this stuff moved deep where it mattes most.Brushing the rest of the chassis proved this stuff is here to stay for up to 10years.I used the s50 on my picante it ran everywhere will not need to do again for a while .Good stuff!