Rotor Corrosion Comparison - Blank vs Painted vs Zinc vs Coating Part 2

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Rotor Corrosion Comparison test result is finally here. After over 3+ months of driving the vehicle outside, doing a spray test with 5% NaCl Solution or 5% salt water, a soak test with 5% NaCl Solution or 5% salt water, and a H2O spray and soak test. With just a drip of rain.
We will showcase the winner of the rotor corrosion comparison. Is it Blank Rotors? Is it Painted Rotors? Maybe its Zinc Plated Rotor? Or, the proprietary Coating?
Part 1 of the the Rotor Corrosion Comparison link is here: • Rotor Corrosion Compar...

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6 дек 2018

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Комментарии : 81

@coldspring624 Год назад

I think you should send them to the rust belt area of the states where months of salted roads will help you decide.

@KFEBrakes Год назад

That is a great idea!!

@marktackman2886 5 лет назад

This video actually impressed me, I love the information vibe that says hey we sell shit too.

@KFEBrakes 5 лет назад

Thanks Mark, we will try to make more informative videos down the road! 👍

@johnsullivan937 2 года назад

Its good to see that regardless of the type of corrosion protection, nothings perfect and eventually rust will form. I went with geomet slotted rotors as I'm doing a complete brake system overhaul with brembos. I was disappointed to find out after ordering the rotors that the geomet coating is applied BEFORE the rotor manufacturer drills/slots the disk. Therefore there is no coating and will lead to surface rust. I was bummed I made the wrong choice, as the zinc coated options are applied AFTER the slotting/drilling process. But it looks like it really doesnt matter all that much. With all the grime, brake dust, and light surface rust eventually the slots would get rusty/dirty looking anyway.

@KFEBrakes 2 года назад

💯Nothing lasts for ever💎, thank you for watching our video!

@awfab3517 Год назад

Trying to find a video on the steel used on rotors, Im guessing it makes a big difference in price and longevity

@MrMetalclay 5 лет назад

Thanks, proprietary coating it is! I don't think that the emergency flashing was necessary.

@KFEBrakes 5 лет назад

👍, we tried to mirror the SAE lab test ;) Thanks for watching!

@billl7551 2 года назад

Poor test protocol, but I would watch Stephanie boil water for an hour. To the subject: my rotors on a 2017 Highlander can drive in the rain one day, park in the garage for 24 hrs and sounds like grinding when it rolls. Sometimes the pads stick and snap when it first rolls. Too bad you did not consider judder with the combination of your ceramic pads, that would be a primo test. I hate judder and consider the poor selection of Toyota;'s pad/rotor selection as a design defect. Rotors trashed in 20k miles of normal driving. This is a serious issue for rust belt climates and gets little attention.

@MrMasterFlash 5 лет назад

Good video. Both the spokespeople are excellent. Stephanie is outstanding. I wish I knew the brands of the rotors you tested. I was looking at Zimmerman Zinc coated vs Brembo UV coating. Based on this video, I'll go with Brembo.

@KFEBrakes 5 лет назад

Hi Ben, thanks for the feedback. These are unbranded OE Spec rotors with these features. We cannot speak for Brembo, but if you search for "Brembo Brake Rotor with UV Coating", you will see a paper report Brembo put out for their coating. 😉 Hope that helps.

@zeomarmob 4 года назад

I’ve tried Zimmerman’s rotors they are no good.

@lordzed83 5 лет назад

Maaaan I wanted to see VENTED coated disks... Had 2 pairs of Vented disks needed relacing due to Corrosion in the vents... Could have chipped it off with screwdriver after 5 years...

@KFEBrakes 5 лет назад

Hi Zeed, the front rotors are vented. You can clearly see the rust on there. The test was pretty rough on the rotors, but might not be as harsh as 5 years with the elements.

@xpacmaner23 5 лет назад

very interested. Proprietary coated is more protect the brake rotors.

@KFEBrakes 5 лет назад

From the test, that is what the results showed. Thanks for watching the video 👍

@wenefridoperez6438 2 года назад

how much your rotor best ng scooter 2 stroke

@onenikkione 5 лет назад

the original OEM rotors were rusty but came off easy and held up for 90,000 miles with the original pads

@onenikkione 5 лет назад

*****OEM on my car

@KFEBrakes 5 лет назад

Nice. We are sure there are many customers with rotors that are in great conditions after 50k+. Rotor rust conditions has to do with usage, weather conditions, and location. Someone from the North East that parks their car outside, with not only salt from the ocean, but also with salt from the winter will most likely have rotors that are more rusted. A customer from the South West that parks their car inside and with very little element contact will most likely have a rotor with much less rust. If OEM works for you, then that is what you should continue to work with. 👍

@chloedecker4991 3 года назад

I have seen some good rotors at geobrakes.com not sure what kind of you want but they have got some good selection of heavy duty drilled and slotted ones

@rezamashayekhi8424 5 лет назад

Hi . Do you have any sales point in Toronto Canada?

@KFEBrakes 5 лет назад

Hi Reza thanks for tuning in our video! For dealer inquires please give us a call @ (562) 941-8808, or you can email us at sales@kfebrakes.com

@afrobryan 3 года назад

So is proprietary the same as E-coat??? Im trying decide between e-coat and Zync

@KFEBrakes 3 года назад

Thanks for watching the video. No, E-Coating would be painted. The would electrical current to help bond the paint to the metal. There are several brands that are selling the "proprietary" coating that are using the actual name of the coat. There are many other brands, and sellers online that is basically doing the E-Coating with that color. Hope that helps.

@armstrong4196 5 лет назад

Nice to find this video. I wanted to see a real test and the results between these types of rotors before upgrading mine.

@KFEBrakes 5 лет назад

Thank you. What do you mean by the real test? The SAE lab test?

@armstrong4196 5 лет назад

Weather conditions test, what the corrosion does after certain time, etc.

@KFEBrakes 5 лет назад

@@armstrong4196 👍 What we did to the rotors will probably be a pretty good representation of what one can experience in a real world conditions. For the most part no rotors in real world conditions will be soaked into salt water for 5+ minutes. We believe it is safe to say that the proprietary Coating will be able to hold up better in real life conditions. Thanks for the idea though 😈, we will see if there is chance for us to make a video by leaving the rotors outside for a year or two. Then see how they turned out 👍.

@aeea434 3 года назад

I would prefer to painting it, it will protect and looks better anyway 👍

@KFEBrakes 3 года назад

Yeah, some company makes all kinds of colors can add to your desired look. 😁

@KFEBrakes 2 года назад

@@youngmusicc 😁🤘

@agt155 4 года назад

Wonder how the coating/paint affects heat rejection. Not great I'd bet.

@KFEBrakes 2 года назад

We do not have actual data on how much the coating is retaining heat with in the rotor. What we can say is that the part that gets the most air ventilation are the main rotor surfaces, and that area after the initial break-in will be uncoated. The hub areas will mostly be either attached to the hub or the wheel itself, the heat trapping with the coating we think will probably be limited. If there is a test we can do we will see if there are anything we can do.

@phoenix21studios 2 года назад

3:30 I full expected him to give her a hundred dollar bill there LOL

@KFEBrakes 2 года назад

Stephanie and Chris are great! 😀👍

@joebourgoin6554 3 года назад

Might want to put an epillepsy warning on this

@neutrodyne 5 лет назад

So it is a commercial for KFE brake parts.

@KFEBrakes 5 лет назад

Hi Neutrodyne: We made the video hoping to provide some answers to buyers who may be having a hard time deciding the type of coating on rotors. Hope you enjoy the video 👍

@mknight6026 5 лет назад

I can only find ones that the hubs aren't zinc coated

@KFEBrakes 5 лет назад

Hub assemblies are generally not coated.

@zeomarmob 4 года назад

The question is, why they are not made out of stainless...?

@WarthDader74 3 года назад

Because someone would make less money then.

@fubartotale3389 3 года назад

Cost probably, I would guess (depending on the grade) that S.S. rotors would be $3-400 apiece. I'm not a metalurgist, just a toolmaker, but heat transfer and warping could be a problem as well.

@KFEBrakes 2 года назад

Like @WarthDader74 @fubar totale has already said, cost difference between Cast Iron and Stainless Steel are night and date. Also, generally speaking the cast iron will have a higher percentage of carbon in them compared to the stainless steel.

@zeomarmob 2 года назад

I found a work around. I bought 2010 DB9 recently even the rotors are barely even used, they all rusted not only on friction surface. So I sand blasted them and finished them in custom mix light titanium color cerakote. And cleaned the friction surface. Now they look better than new. Cerakote promises that it withstands red heat and resist salt corrosion.

@KFEBrakes 2 года назад

@@zeomarmob Love the shape of the DB9. Cerakote is good to go on a DIY level, but it might not be feasible in terms of standard daily rotors on a mass scale. Their V-Series that claims to hold up to 1800 degrees goes for $8.75 per oz. That is pretty expensive. Thank you again for watching our video, and taking a moment to leave us a comment! Merry Christmas!

@Fred-eh7lj 2 года назад

So they want us to buy their proprietary coat. Well welll. What a surprising conclusion.

@KFEBrakes 2 года назад

Thanks for watching the video👍. We do not own the patent on the proprietary coating. The reason why we used the words "proprietary coating", rather than the name of the coating is because when we contacted the company to see if we are able to use their name in the video several times they never got back to us. If you watch part 1 of the video, and check out the color and texture of the coating on the rotor. You can easily search online for similar products, and find the name of the coating. Thanks for leaving us a comment! Have a great Labor Day!

@wenefridoperez6438 2 года назад

magkano po ung rotor best nin u sa scooter 2 stroke

@KFEBrakes 2 года назад

Maraming salamat sa panonood ng aming video. Ang mga motorsiklo sa pangkalahatan ay gumagamit ng parehong pangunahing paggana ng sistema ng preno tulad ng sa mga kotse, ngunit ang mga rotor sa pangkalahatan ay mas manipis. Isipin na ligtas na ipagpalagay na maliban sa mga contact area sa pagitan ng mga rotor at pad sa isang motorsiklo o isang scooter, ang parehong mga uri ng coatings ay makakatulong na maiwasan ang kaagnasan.

@KFEBrakes 2 года назад

Sana gumawa ng magandang translation ang google from english to tagalog. 😁

@pirihern9329 4 года назад

Proprietary coating = what exactly is that? I'll buy a can of that

@KFEBrakes 4 года назад

We have contacted the company many times who owns patient for this Proprietary coating, but they never gave us written authorization to use the name. What we can say say is that there are many major international friction companies uses this coating on their rotors. You can try finding it that way, but be careful that there are companies out there with fake coatings (they just try to match the color and texture), or companies that uses names that plays with real coating's name trying to fool and confuse the consumers. Hope that helps.

@pirihern9329 4 года назад

Thanks for the quick reply

@KFEBrakes 4 года назад

@@pirihern9329 NP, please feel free to reach out if you have any other questions or concerns.

@gl5301 4 года назад

Its called Goemet, a chromium-free version of Dacromet. Used on most TMD friction discs (Textar, Pagid and Mintex) for example

@tthams73 2 года назад

I Cerakote all my brake rotors, calipers…. They never rust. Brake dust, road grime and grease just sprays off.

@KFEBrakes 2 года назад

Cerakote is an option for an individual, but it might not be feasible in terms of standard daily rotors on a mass scale. Their V-Series that claims to hold up to 1800 degrees goes for $8.75 per oz. That is pretty expensive. Thank you again for watching our video, and taking a moment to leave us a comment! Happy New Years!!

@tthams73 2 года назад

@@KFEBrakes OEM manufacturers use cerakote.

@kalani1987 4 года назад

Why not just mask off and spray a rust inhibitor?

@KFEBrakes 4 года назад

Hi David: All rotors correctly manufactured should be balanced. If one sprays rust inhibitors, it can cause an unbalance of the rotor, and eventually lead to rotor run-outs. Rotor run-out leads to pulsation and noise during braking. Please be safe during this Covid-19 period.

@kalani1987 4 года назад

@@KFEBrakes In that case, rust alone would cause unbalanced rotors and run outs?

@andyh8239 2 года назад

Tungsten carbide coating is where it's at.

@KFEBrakes 2 года назад

@Andy H, thank you🙏very much for watching the video and taking the time to leave a comment👍. Like many other applications out there, the Tungsten carbide coating is very good at what it does. The question is always are you able to cost effectively scale up. 😁

@andyh8239 2 года назад

@@KFEBrakes Engineering Explained (EE) has a good piece on it. Ive only been able to find places that coat the rotors pad contact area. Id like the entire rotor coated. (Roughly $1400 for four coated rotors)

@KFEBrakes 2 года назад

@@andyh8239 Wow, for $350 per rotor coating guess if you can afford it? 😁 Yup you are right, you need to coat the entire rotor!💸💰💸💰

@andyh8239 2 года назад

@@KFEBrakes If someone sold them (Tungsten carbise coated rotors), and they lived up to the hype, Id order them for that or maybe even a little more. No rust, mirror finish, low dusting, no fade, longevity.

@awfab3517 Год назад

Who else wasn't looking at the rotors?

@vc9743 Месяц назад

What rotors?

@dw1508 4 года назад

Most rotors will be replaced before any corrosion becomes more than cosmetic surface corrosion. The coating is purley a cosmetic point with alloy wheels.

@Mooreman50 5 лет назад

Awkward dialouge

@KFEBrakes 5 лет назад

We will make sure to hire a Hollywood script writer next time 😁👍😉

@MrTruthislight 4 года назад

that'll help

@KFEBrakes 4 года назад

@@MrTruthislight Next one 😙😉

@beefstickswellington1203 4 года назад

Or just don't try so hard

@rickwhoo1 2 года назад

Front rotors do most of the braking and get a lot hotter than the rear rotors... Not trusting this video at all.

@KFEBrakes 2 года назад

Hi Rick: Thank you very much for watching the video. You are absolutely correct that Front rotors do more braking than Rears. What we lack is a lab to make sure all conditions are 100% perfectly matching, and test the rotors with SAE J2334 in a perfectly controlled lab. Without a real lab, this was the best that we could do to get it as close to the lab test as possible. At the least you can see the condition of the rotor that went through the same weather condition, same temperature, same humidity, same mileage, same salt spray, same salt tank soak, on the same car, and in the same period of time. Hope you enjoyed the video, and we will try better next time. Have a great long weekend!