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Saturday, March 26, 2011

New website is ALMOST READY!!



Try it out here:

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Wednesday, February 23, 2011

Initial Impressions: Dodo Juice Buff Daddy

A locally available dual-action(non forced rotation) polisher! woohoo!



Firstly, wow it has been a looong time since the last post and the reason will all be explained in due time. I'm sure you wouldn't want to hear the boring story anyway, so let's skip to what we all love, detailing!

Us UK voltage countries do not have much choice when it comes to dual-action polishing machines. The Americans are so spoilt for choice, they have the Porter Cable, Cyclo, Flex and a machine from everyone's favourite brand, Meguiar's.

We are resorted to import these machines and used with a step-down transformer i.e selling an arm. Machines suited for our voltage is only the Flex XC3401VRG, which isn't exactly cheap (about MYR 2600?).

On the other end of the scale we have the Bosch GEX-125AE random orbital polisher, this machine is only capable of paint cleaning and to make it able to remove light defects, you really have to spend a lot of time by doing slow and multiple passes.
However, it only costs MYR 330! Perfect for the beginner.

But there is the gap in the middle. Of course a Makita 9227c rotary fits the bill nicely at MYR 900, but for the beginner's who aren't ready to spend the time mastering it, a rotary polisher might not be the best choice.

So in comes the Dodo Juice Buff Daddy, which is really just a rebranded Kestrel Das-6. I dig the funky green colour.

With a longer throw compared to the Bosch ROB, the Buff Daddy remove defects more effectively. I would estimate about 2-3 times the effectiveness(more if it had forced rotation).



Variable speed.

The quintessential Dodo Juice logo.

The paint was in an okay condition. So I just gave it a one step polish at speed 4.5 using Osren Perfect Cut 2.0 and Meguiar's yellow polishing pad.

This was followed with Meguiar's Gold Class Carnauba Plus applied with the same machine on speed 1 using a white detailogy pad.

Head-lamps and tail-lamps were polished and coated with GTechniq C1 Crystal Coating

The whole car was machine polished and waxed in 2 hours.





I was well pleased with my purchase at MYR 770. Costing at a fraction of the Flex XC3401VRG, I think it is pretty worth it.

I used the side handle the whole time, if I gripped the whole handle, my palm felt numb after polishing one door(need more flesh to buffer the vibration?). So I 'clawed' the edge of the handle, or hold the head instead. I didn't try the supplied 'D' handle (a.k.a bale handle).

Turning it off and on is intuitive, although not as convenient as the trigger on most rotary polishers. The speed dial is on the back of the polisher, hence adjusting speed while polishing might not be ideal. I think this isn't a very big issue since you do not really need to adjust the speed while polishing using a dual-action. For a rotary, adjusting the speed is essential(dependent on operator) during compounding, polishing or finishing.

The head of the polisher has a soft matte finish, same goes with the body of the polisher. It looks nice and provides excellent grip, but it gets scuffed and scratched very easily, will have to think of using something to cover the head.

All in all, I love it. If you are a beginner looking to polish your own cars, this is it, with no forced rotation, it is extremely easy to handle. Working time is also shorter compared to using the Bosch ROB since polishes will be broken down quicker.

Its variable speed allows it to be used for polishing or applying waxes and sealants. Removable backing plates allows it to be used with smaller pads for polishing tight areas.

I have not tried to use it for machine sanding yet, but have seen people on the doing it. Only challenge now for the Dodo Juice Buff Daddy is durability. I noticed my machine was a lot more silent than the demo machine, which wasn't very heavily used, will keep an 'ear' on that.

Initial Impressions Rating: 4/5

If you'd like to purchase one, do contact Osren Malaysia(+603 6250 2616 or

Now for some unrelated photos. Henry from Osren was kind enough to demonstrate to me the leveling ability of a velvet pad and a rocks-in-a-bottle compound.





Very good eh?? That was achieved without a single use of sandpaper.

Now that I have more time on the weekends, I will be posting a little bit more frequently. It is time for a comeback (again...), there will be more changes for sure. (hint: Until then, keep on polishing!

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Wednesday, August 04, 2010

Teaser: International Coating Battle


Will these new paint coatings finally kill the wax market once and for all?
Will these coatings actualize the 'never wax your car again' statement?

STAY TUNED TO FIND OUT! Coating test tentative date is mid-August.

The International Coating Battle will soon....begin.... Read more!

Sunday, June 27, 2010

Announcement: Mini Forum is up!


G'day mates! I just set up a mini-forum using Google groups. Anyone can join, no approval or activation is required. It acts as a discussion board for anyone who would like to post a question regarding detailing in general.

I would try my best to attend to them as soon as possible. Everyone is encouraged to post, whether you are a beginner, a seasoned enthusiast or even doing this for a living!

However, it is quite limited in the sense that no images can be posted and viewed on the forum, it's mainly text. So don't expect it to be a full-fledged forum when you can view flash animations, embed youtube videos and paste images directly. Also, the posts will remain pretty much permanent, with no 'edit' or 'delete' button. So think and read twice before posting.

Even so, I'm looking forward to build a warm friendly community.

Hope to see you there! Cheers.

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Saturday, June 26, 2010

Water Beading – What’s the big deal???

So we all know that a waxed surface beads water. If water just lays flat on your paintwork, then it’s time to wax the surface.


But why will a waxed surface bead water in the first place?

Is it naturally occurring because ingredients in the waxes alter the surface energy(low-energy=hydrophobic) and turns it from being hydrophilic to hydrophobic?

Are the ingredients protecting the paintwork(silicones,carnauba, etc.) causing the beading?

Or there are ingredients in the wax dedicated to causing the water to bead?

I try to answer these questions from the perspective of a layman hobbyist detailer. I was curious and searched my university’s journal database on readings about contact angles, wettability, surface protection, etc.

Read on as I try to unravel a detailer's fascination with water beading!

I’m a business undergraduate and was very bad at chemistry in high school(I was having Form 4 & 5 chemistry tuition during my Pre-U days to help me catch up, yes, I was THAT BAD), but I was able to decipher the alien language in some readings that I went through that do suggest that hydrophobicity is related to surface protection.

Firstly, let me define what is wettability and contact angle.

Wikipedia: Wetting is the ability of a liquid to maintain contact with a solid surface, resulting from intermolecular interactions when the two are brought together. The degree of wetting (wettability) is determined by a force balance between adhesive and cohesive forces.

Don’t worry, I don’t understand what it means either. What I do know is, water will lay flat on a surface with high wettability, sticking to the topic of this post, an unwaxed surface has high wettability. Conversely, a waxed surface has low wettability as water will tend to bead up and slide off the paint.

The contact angle on the other hand is the angle at which a liquid/vapor interface meets a solid surface. The contact angle is specific for any given system and is determined by the interactions across the three interfaces. Most often the concept is illustrated with a small liquid droplet resting on a flat horizontal solid surface(Wikipedia).


In the image above, θC is the contact angle. Therefore, if the droplet of water has a high contact angle(more than 90 degrees) on the paint, it is said that the paint is hydrophobic.

There are also instruments to measure contact angle, as seen in the video below.

I then try to measure my own contact angle of a water droplet using a photograph and a digital screen protractor. Although it is very crude, it does give me a quantitative value.


The surface in the photograph is a foam applicator that is supplied with Carmate SIV Wheel Coat, as seen in this post.

It may be highly inaccurate, but again, it gives me a rough comparative figure.

So, how does a hydrophobic surface benefit the auto detailing industry? If a wax makes the paint more hydrophobic than the other, does it mean the latter does not protect as well?

This is a question that requires more research. I can’t really find the direct relation between hydrophobicity and surface protection but waxes, sealants and coatings usually cause the surface to be hydrophobic.

For what it’s worth, Emelyanenko(2007) reviewed that low-energy anti-bacterial coatings (that render the surface to be hydrophobic) showed a good resistance to biofouling for a broad set of bacteria cultures.

In addition, Jia and Ling(2005) found in their experiment that steel coated with a hydrophobic polysiloxane coating reduces soil adhesion to the surface. They also commented that soil animals’ skins possess a strong hydrophobic character, therefore, soil animals such as earthworms can freely move in soil and it does not adhere to their skin.


Metals, metal oxides, and inorganic materials are all high surface energy materials and possess hydrophilic character. Conversely, all organic materials are low surface energy materials and have an excellent hydrophobic nature.

I tried to find readings that directly relate wettability to automotive clear coats, there were little results and the ones which I wasn't sure was relevant had to be purchased at about USD34 per article.

It is then well established and well known that waxed paintwork will bead water.

This fact is so well known that contact angle has become a marketing tool.

I remembered my trip to Autobacs in Singapore, where they stocked many Japanese products that were not available in Malaysia.


It was interesting to see that on the packaging of almost every Japanese wax/sealant, it had a picture of water beading or a graph showing the contact angle of water over a period of time.



The graph would then point out that the contact angle of their product remains relatively large where as their competitor’s water contact angle would fall dramatically after the first few months.

There was one product which caught my eye. The back of it had beads of water with a fire trail blazing behind them, emphasizing the great speed that water will slide off the paint, LOL.

Compare this with car care products from western countries such as U.S.A and U.K., namely, Meguiar’s and Autoglym. They emphasize greatly on shine and protection their wax will give, and little to no emphasis on water beading at all. (Until recently where Meguiar's implemented their Hydrophobic Polymer Technology in products like NXT 2.0, M21 2.0 Ultimate Quik Detailer and Ultimate Quik Wax)

This can indicate two things. Either the western countries know that hydrophobicity does not benefit the paint in terms of increased protection, or the Japanese, so advanced in their technology, have already found out that hydrophobicity is positively related to surface protection.

Here's why I think water beading is a great marketing tool.

Besides looking at the water beads, how else could you tell the surface is being protected?

Two ways I can think of, is claying and polishing two different panels and comparing the amount of contaminants accumulated on the clay and applicator. The clay and applicator that shows less contaminants indicates that the wax/sealant/coating being used offers better protection(Wax A in image below).


Now let’s put yourself into the shoes of the salesman trying to sell a car wax. You go to your customer and demonstrate your product, the old burning lighter fluid on the hood trick is old snake oil and doesn’t work anymore.

NOTE: There is NO intention to defame the product demonstrator in the video above!

And you cannot do a clay and polish test since you just applied the product, the only other visual way to assess the performance of the product is hydrophobicity.

If the sealant you are trying to sell pushes water away much faster, create much taller water beads, you will probably close the sale straight away.


Other visual indicators such as gloss and wetness is hard to evaluate quantitatively. Slickness is only comparable for a short period of time since most of the oils are washed away after a few car washes and rain.

Hence, using water beading/contact angle as a visual indicator of product performance makes sense. Using it as a marketing tool makes even greater sense!

I hope you are still following me and see what I’m trying to show you. Your normal traditional wax will turn the surface hydrophobic, companies then use this clue to better market their products by creating more hydrophobic waxes. However,

Is greater hydrophobicity related to greater surface protection?


I wish I was a scientist right now and could do an experiment and give you an answer. Until then, water beading and contact angles would continue being the main selling point of car waxes, sealants and coatings all over the world(refer to Zaino Store).

This is unbeneficial to the society because some companies may exploit this by creating products that are very hydrophobic, but offers little to no protection to the paintwork. I realized this when I did my Soft99 Fusso Coat vs Meguiar’s M21 Synthetic Sealant years ago.

The cost is low and the process is easy in making a surface hydrophobic. There are products out there such as car shampoos that actually creates water repellency. There are spray products that can be sprayed on and the surface will bead water.



But will they actually protect the surface? Possibly, but I assume only to a certain degree. Creating a low surface energy(hydrophobic) is the primary function of those products, actually protecting the paintwork is only secondary(my own assumption).

Let’s look at another example, Aquartz, a new hydrophillic quartz coating from the U.K, which originates from Korea.

Forummer JJ_ from Detailing World posted a review comparing Collinite 476S, G|Techniq C1 and Aquartz. He also posted a video on water behavior on the three different areas of the bonnet.

(Left: Collinite 476s Middle: G|Techniq C1 Right: Aquartz)

As you can clearly see in the video above, a high performance quartz coating such as Aquartz does not bead water at all, it has the characteristics of high wettability.

Would you equate this to poor surface protection?

Probably not, due to the hardness of the coating and resistance to environmental attacks. If you compare that surface to an unwaxed surface, I would assume they would look visually similar in terms of water behavior. This is hard to tell and different methods have to be executed to demonstrate the protective capabilities of a quartz coating such as Aquartz.

from Detailing World has shown this as seen in his thread, where he heated some high pH chemicals on areas untreated and treated to Aquartz. The treated areas showed resistance to chemical etching and clearly shows strong protective qualities.

It is a very good write-up with strong data to boot, but it would be hard to fit all of that data on the back of a bottle of wax.

Which brings us back to why water beading and contact angle is used as a sensible marketing tool as well as a suggestive indicator of product performance.

See here for example.

All of this marketing makes us love waxes that create tall water beads.

To detailers, having your paintwork bead water taller than the car beside you is akin to a girl walking around with Jimmy Choo shoes next to a girl wearing shoes from Tesco.

However, there are also some who go against the notion of water beading.

When rain falls from the sky, the droplets of water catch and hold atmospheric pollutants on the way down. These dirty rain water droplets land on your car and as they evaporate away, they leave the pollutants and minerals behind, which could etch into your paintwork, forming horrible waterspots that make your car looks like it is going through puberty.


However, findings show that the greater the hydrophobicity of the surface, the greater the tilt angle. The tilt angle, also known as sliding or roll angle, is the angle in which the water droplets slide off the surface.

Source: Aegerter, Almeida, Soutar, Tadanaga, Yang and Watanabe(2008)

Hydrophobicity is positively related to tilt angle. So the taller the water beads(larger contact angle) are created, the easier it is for water to slide off the paint.

Then again, what if your car’s horizontal surface is perfectly flat, there’s no use no matter how hydrophobic the surface is, unless the tilt angle is 0, which means water will slide around on a flat surface, like it has a mind of it’s own.

So, hydrophobic or hydrophilic?

To me, I would choose the one that offers greater protection against environmental attacks such as acid rain, tree sap, bird droppings and traffic film. Which means having to test them over a period of time in natural exposures to find the holy grail of paint protectants.

It is not as easy as picking a product that says it is superhydrophobic. Because of this, I am still a cynic of hydrophobic=great protection.

Although I do admit that I would instantly buy a product if it claims that water will roll off from the paint from a small exhale through the nostril.


Additional Info:

Source: Aegerter, Almeida, Soutar, Tadanaga, Yang and Watanabe(2008)

The image above shows the film structure of the hydrophobic coating for Automotive Windows. According to Kamitani and Muromachi(2008) as cited in Aegerter, Almeida, Soutar, Tadanaga, Yang and Watanabe(2008), hydrophobicity is provided by a fluoroalkyl group arranged in good order on film surface. To obtain higher environmental stability and abrasion resistance, a silica under-layer should be applied on the glass surface.

This is just to suggest that hydrophobicity does not always relate positively with the protective qualities of the coating.

All this talk about water beading is making me itch to do my next test, coating test will come soon!

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That's all folks, feel free to add your own thoughts on water beading or critique which areas that I am wrong in my post, I would appreciate it!



Emelyanenko, A.M. (2008) Wettability of interface boundaries as an indicator of their properties and state. Protection of Metals, 44(5), 419-429.
DOI 10.1134/S0033173208050019

Jia, X., Ling, X.M. (2005) Reduction of soil resistance through the use of a composite coating. JCT Research, 2(8), 669-672.

Aegerter M.A., Almeida R., Soutar A., Tadanaga K., Yang H., Watanabe T. (2008) Coatings made by sol-gel and chemical nanotechnology. J Sol-Gel Sci Technol, 47, 203–236
DOI 10.1007/s10971-008-1761-9

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