December 4, 2014

DFI, In Association With USGBC’s LEED Rating System, Announces Diamon-Fusion LEED Points Exclusive Industry Evaluation 

Diamon-Fusion International(DFI) is the first hydrophobic protective coating company to have its products specifically reviewed for compliance in association with USGBC's LEED rating system to confirm how they can contribute in the following categories: Sustainable Sites, Energy and Atmosphere, Indoor Environmental Quality, and Materials and Resources.


GreenCE, Inc., a USGBC Education Partner completed the review process. GreenCE educates design professionals about the advantages of designing a sustainable building and helps building product manufacturers develop tools to articulate the environmental, human health, and financial benefits of their products. 

DFI’s flagship product, Diamon-Fusion® is among the first protective coating on the market today to be analyzed in the rigorous evaluation process. Diamon-Fusion delivers unmatched industrial flexibility by offering both industrial, factory-based vapor deposition and field-friendly liquid application processes to protect silica-based products, most commonly glass. The processes create a hydrophobic coating to repeal damaging environmental elements while reducing the need for harsh cleaning products. In addition, the new FuseCube™ patented Diamon-Fusion application system has blanket approval from South Coast Air Quality Management District, one of the most stringent in the world, as a zero-emission process. 

“As a company concerned with environmental impact, we strive to create coatings which leave the planet in a better position for future generations,” shared Russell Slaybaugh, Vice President and General Manager of DFI. “Our coatings are designed to eliminate the use of harsh chemicals that eventually spill into our waterways, while making surfaces easier to clean, requiring less water in the process. For commercial buildings, our coatings require less cleaning, which in turn requires less water and chemicals, reducing the building owner’s costs and impact on the environment.” 

Syndi Sim, Director of Marketing added, “We are thrilled to be the first hydrophobic protective coating manufacturer reviewed for our LEED contributions. Our experience working with LEED projects such as the double Platinum certified California Academy of Sciences has proven to us that this review is critical to designers and architects. We will be adding this immediately to our industry-leading effort to educate architects and designers about the benefits and cost-savings a best-in-class hydrophobic coating can deliver for their clients.” 

For more information about how DFI’s protective coatings can help contribute to LEED points or Diamon-Fusion International, please visit or contact the company at +1 949.388.8000. 

About Diamon-Fusion International (DFI) 

Since 1997, Diamon-Fusion International (DFI) has been making people's lives easier and more beautiful by developing, manufacturing and distributing protective coatings, application machinery and restoration products for architectural and transportation surfaces such as glass, granite, tile, porcelain and quartz. DFI's coatings significantly reduce maintenance costs, are impact, scratch and graffiti resistant, and can keep surfaces looking and performing like-new forever. DFI's product offering ranges from award-winning, patented, professional-quality products available through authorized applicators and distributors to easy-to-use highly-effective, do-it-yourself products for consumers. Headquartered in Southern California, DFI holds patents and patents-pending worldwide and has a global sales and distribution network spanning North, Central and South America, Europe, Asia, South Africa, Australia and New Zealand. Contact: Syndi Sim, Director of Marketing at

November 21, 2014

Diamon-Fusion International (DFI) thanks Glass Magazine for the opportunity at Glasstec to discuss our FuseCube™, the most efficient low-maintenance protective coating machine in the world that can reduce cost up to 84%.

Watch quick tour of FuseCube at

Reasons Why DFI’s FuseCube Is So Super-Efficient and Unique:

FuseCube Reduces Costs Up To 84%

In labor and material versus spray-applied coatings

FuseCube Reduces Safety, Regulatory and Environmental Concerns

By eliminating risks of handling and spraying coating chemicals within facilities and a zero emission process approved by the most stringent air quality district

FuseCube Enhances Scalability and Flexibility

With no additional equipment investment

FuseCube Improves Quality

Automated process ensures a consistent high-quality coating every time

FuseCube Increases Annual Capacity Up To 1500%

Versus hand-applied coatings

FuseCube Reduces Transit & Handling Damage

By coating all sides and edges with the patented impact and scratch-resistant Diamon-Fusion easy-to-clean protective coating

FuseCube Is Extremely Easy To Use

Roll in the racks, drop in the Diamon-Fusion cartridges and press GO

Learn more about Diamon-Fusion International (DFI) FuseCube, visit,, or contact Diamon-Fusion International (DFI) at or +1.949.388.8000.

November 14, 2014

Diamon-Fusion International(DFI), Aires and Mamparas Doccia jointly announced the first FuseCube™ to be installed in Europe. The patented Diamon-Fusion® protective nano-coating application chamber, known as the FuseCube, is a fully automated system that can provide glass fabricators and manufacturers significant savings in both material and labor costs compared to the traditional spray-application coatings, while adding an unmatched industrial flexibility and added-value. With the smallest model having the ability to apply Diamon-Fusion to both sides and all edges of up to 75 standard size shower panels – amounting to over 1800 square feet (167 m2) of surface area – in approximately one hour, the FuseCube can coat fifteen times more surface area than the manual spray-applied method in the same factory footprint for a fraction of the cost. 

Mamparas Doccia, a 17-year Sevilla-based and privately owned company, has become a leading shower door manufacturer in Europe with a monthly production capacity of 11,500 units under a 20,000 m2 manufacturing roof. Doccia has a sales and distribution network throughout Europe, Africa, The Caribbean region and South America. 

“The higher demand for our products has dictated that we look for a more efficient way, both from a cost-effectiveness standpoint and higher quality coating system to add more value to our customers worldwide; therefore, by replacing our traditional spray-application coating with the premium Diamon-Fusion coating, we've accomplished our goal while increasing productivity. We've done the first cycle with the FuseCube and I'm thrilled to report that we've treated in only two hours what would've taken us eleven hours with our previous manually-applied coating for the same exact amount of glass panels, while utilizing no labor at all, so complete savings on labor. I must say this was something very impressive to see." explained Alfonso Pérez Álvarez, Managing Director of Mamparas Doccia. 

According to Guillermo Seta, DFI’s Corporate Vice President, “Since DFI was founded in 1997, we’ve been working to perfect our patented Diamon-Fusion coating application chamber technology to add industrial flexibility to our customers while keeping up with a growing demand. With the FuseCube we’ve developed a system that is eco-friendly, easy-to-use, safe and cost-effective. When innovative customers like Mamparas Doccia see a savings payback on the FuseCube of under a year, and envision how it can help them expand their offering of our profitable and customer-pleasing protective coating, it is an easy choice.” 

“Doccia has made a great choice, enabling more added-value advantages and a higher quality coating system for their customers. The FuseCube makes perfect sense for all custom shower door and glass processors, and Doccia just realized that sooner than most,” stated Francisco Bono, DFI's Exclusive Agent for Spain and Portugal, and Managing Director of Aries. 

The FuseCube's core technology is operating in more than three dozen locations across ten countries in North America, Europe and Asia. 

For more information on the FuseCube or Diamon-Fusion International, please visit or contact the company at +1 949.388.8000. 

For more information on Aires, please visit or contact the company at +34 961519830. 

For more information on Mamparas Doccia, please visit or contact the company at 902 120 038. 

About Diamon-Fusion International (DFI) 

Since 1997, Diamon-Fusion International (DFI) has been making people's lives easier and more beautiful by developing, manufacturing and distributing protective coatings, application machinery and restoration products for architectural and transportation surfaces such as glass, granite, tile, porcelain and quartz. DFI's coatings significantly reduce maintenance costs, are impact, scratch and graffiti resistant, and can keep surfaces looking and performing like-new forever. DFI's product offering ranges from award-winning, patented, professional-quality products available through authorized applicators and distributors to easy-to-use highly-effective, do-it-yourself products for consumers. Headquartered in Southern California, DFI holds patents and patents-pending worldwide and has a global sales and distribution network spanning North, Central and South America, Europe, Asia, South Africa, Australia and New Zealand. Contact: Syndi Sim, DFI Marketing Director at

November 13, 2014

Diamon-Fusion International (DFI), Aries y Mamparas Doccia anunciaron conjuntamente la instalación del primer FuseCube™ en Europa. La cámara patentada de aplicación del nano-revestimiento protector de Diamon-Fusion®, conocida como FuseCube, es un sistema totalmente automatizado que puede proporcionar a los procesadores de vidrio y fabricantes ahorros significativos, tanto en los costes de material y de mano de obra en comparación con los recubrimientos por pulverización de aplicaciones tradicionales, añadiendo al mismo tiempo una sin igual flexibilidad industrial y valor añadido. Con el modelo más pequeño que tiene la capacidad de aplicar Diamon-Fusion por ambos caras y en todos los cantos en hasta 75 paneles de ducha de tamaño estándar – lo que supone más de 167 m2 (1.800 pies cuadrados) de superficie - en aproximadamente una hora, el FuseCube puede recubrir quince veces más de superficie que el método de aplicación por pulverización manual ocupandoel mismo espacio en la fábrica a una parte del costo. 

Mamparas Doccia, una empresa de 17 años con base en Sevilla y de propiedad privada, se ha convertido en un fabricante de mamparas de ducha líder en Europa, con una capacidad de producción mensual de 11.500 unidades bajo un techo de fabricación de 20.000 m2. Mamparas Doccia cuenta con una red de ventas y distribución en toda Europa, África, el Caribe y América del Sur. 

"La mayor demanda de nuestros productos ha dictado que hayamos buscado una manera más eficiente, tanto desde el punto de vista de costo-rendimiento, como un sistema de revestimiento de mayor calidad que agrega más valor a nuestros clientes en todo el mundo; por lo tanto, mediante la sustitución de nuestra capa de aerosol-aplicación tradicional por el revestimiento de calidad superior de Diamon-Fusion, hemos logrado nuestro objetivo al mismo tiempo que aumentamos la productividad. Hemos hecho el primer ciclo con el FuseCube y estoy encantado de informar que hemos tratado en sólo dos horas lo que nos habría tomado once horas con nuestro recubrimiento anterior aplicado manualmente para la misma cantidad de paneles de vidrio, al mismo tiempo de no utilizar mano de obra en absoluto, por lo que el ahorro es completo en mano de obra. Debo decir que verlo fue algo muy impresionante", explicó Alfonso Pérez Álvarez, Director General de Mamparas Doccia.

Guillermo Seta, Vicepresidente Corporativo de DFI comentó, "Desde que DFI fue fundada en 1997, hemos estado trabajando para perfeccionar nuestra tecnología de aplicación de recubrimiento Diamon-Fusion patentado de cámara para agregar flexibilidad industrial para nuestros clientes mientras se mantienen al día con la creciente demanda. Con el FuseCube hemos desarrollado un sistema que es respetuoso con el medio ambiente, fácil de usar, seguro y de costo-efectivo. Cuando clientes innovadores como Mamparas Doccia ven los ahorros que facilitan la recuperación de la inversión con el FuseCube en menos de un año, y ven cómo puede ayudarles a ampliar su oferta de nuestra capa protectora rentable y fácil de aplicar, la elección es fácil "

"Mamparas Doccia ha realizado una gran elección, lo que le permite ofrecer más ventajas al aportar valor añadido y un sistema de revestimiento de mayor calidad para sus clientes. El FuseCube tiene perfecto sentido para todos los fabricantes de mamparas de ducha a medida y procesadores de vidrio, y Mamparas Doccia simplemente se ha dado cuenta antes que la mayoría", afirmó Milagro Bono, Agente Exclusivo de DFI para España y Portugal, y director general de Aries. 

La tecnología base del FuseCube está operando en más de tres docenas de lugares en diez países de América del Norte, Europa y Asia. 

Si quiere obtener más información sobre el FuseCube o bien sobre Diamon-Fusion International, por favor, visite: o llámenos al +1 949.388.8000. 

Si quiere obtener más información sobre Suministros Aries, por favor, visite o llámenos al +34 961519830. 

Si quiere obtener más información sobre Mamparas Doccia, por favor, visite o llámenos al 902 120 038. 

Acerca de Diamon-Fusion International (DFI) 

Desde 1997, Diamon-Fusion International (DFI) ha estado haciendo la vida más fácil y más bella a las personas al diseñar, desarrollar, fabricar y distribuir los revestimientos de protección, la maquinaria de aplicación y productos de restauración de las superficies arquitectónicas y de transporte, como el vidrio, granito, baldosas, porcelana y cuarzo. Los revestimientos de DFI reducen significativamente los costos de mantenimiento, son resistentes al impacto, rayas y grafiti, y puede mantener la apariencia y funcionalidad de las superficies como nuevas siempre. La oferta de productos de DFI incluye premiados, patentados, productos de calidad profesional disponibles a través de aplicadores autorizados y distribuidores de productos altamente eficaces fáciles de usar, altamente eficaz, productos de hágalo Vd. mismo para los consumidores. Con sede en el sur de California, DFI posee patentes y patentes pendientes en todo el mundo y tiene una red mundial de ventas y distribución que abarca Norte, Centro y Sur América, Europa, Asia, Sudáfrica, Australia y Nueva Zelanda. Contact: Syndi Sim, DFI Marketing Director at

October 16, 2014

By Guillermo Seta

Over the last decade, protective surface coatings with water repellent qualities, also known as hydrophobic or easy-to-clean (E2C) coatings, have been suffering a transformation by the form and manner in which they have been supplied to the glass industry, as well as the perception by both the consumer and the glass fabricator and/or glass shop.

From hydrophobic coatings and Contact Angle (as a "static dimension") to hydrophilic coatings and self-cleaning glass and the NEW way of understanding what I call "functional architecture" by assessing the value of Sliding Angle (as a "dynamic dimension"), I invite you to know some essential facts one should know while looking at protective coatings.


In order to better understand such interesting, and even intriguing transformation, and the various developmental stages that have taken place globally, one must also understand the reasons, market needs, and some of the leading suppliers involved, which I will refer to as "players" - dominating the field in the highly-competitive glass industry. Many players have surfaced and many others have disappeared, transformed, and/or merged, due to the marketing need of the moment, whether driven by price or simply copying an existing successful business model of another supplier. Such transformation has occurred in front of our eyes over the last 10 years or so and, in many cases, it has been sheer copy cats without any regard to quality or science whatsoever.

The concept of a hydrophobic coating in the US Flat Architectural Glass Industry was first brought to the market, in any significant way, during the late 90's by Diamon-Fusion International (DFI). DFI not only brought the concept of an E2C hydrophobic but also oleophobic (oil-repellent) as well as its enhancement with additional properties of added scratch and impact resistance, UV stability, optical clarity, increased electrical insulation, among the main attributes of such 'enhanced hydrophobicity' as it was called by DFI back in the early to mid 2000's.

What makes a hydrophobic coating functional?

As its name denotes, one of the first and foremost core properties of any hydrophobic coating that one should know is precisely how hydrophobic, or water-repellent, the coating makes the surface. Why? Simply because the more hydrophobic the surface becomes, the less water will spread out and deposit its minerals and contaminants on the glass surface.
The fewer deposits, the less cleaning is required, and when cleaning is needed the spots are easier to remove from the very smooth surface of this type of hydrophobic coating. Less water on the surface also reduces the moisture bacteria needs to grow. The treated surface can now be easily cleaned with no more than water, creating an additional environmental positive impact, a 'green' attribute, by eliminating the need for harsh chemicals as cleaning agents since they are no longer required.The measurement that defines the degree of water-repellency of a surface is (before or after being treated with a hydrophobic coating) called “Contact Angle”, also called "wetting angle", which is the angle formed by the material's surface and the tangent of the interface between the fluid (i.e. water) and the environment at the liquid/solid (i.e. glass surface) point of contact. See graphic on the right (typical Contact Angle of an untreated glass surface).

In core practical terms, however, the Contact Angle is simply an indicator of wettability, so the smaller the Contact Angle, the easier to wet the surface is, and then by contrast, the larger the Contact Angle is, the harder to wet the surface is, as shown on the graphic below.

You may then ask yourself the following two questions:

a) Is the single measurement of “Contact Angle” the best way to define a protective coating's performance?

b) What else defines quality as an easy-to-clean surface?

These are probably two of the most relevant questions one can ask about any hydrophobic easy-to-clean coating and perhaps the MOST HIDDEN fact by most coating suppliers, as they truly uncover the truth behind the quality of the product. Yet, coating suppliers will typically evade these critical considerations with all sorts of misleading statements and false claims. The unequivocal and irrefutable scientific FACT is that performance not necessarily determined by the initial Contact Angle measurement after the glass surface is treated but rather how it will perform over time or, in other words, how will the Contact Angle behaves with the normal tear and wear once the surface is exposed to the different environments. Most hydrophobic easy-to-clean coatings have an initial Contact Angle anywhere from as low as 75 degrees to as high as 120 degrees. The ones that are on the low end, especially under 90 degrees, are not interested, for obvious reasons, in disclosing any measurement. These suppliers downplay or completely disregard any value to Contact Angle measurements, as they do not want to lose any “marketing edge” vs. any higher Contact Angle coating. You may hear a supplier calling this issue “the war of the bubbles” and dismissing it as irrelevant. As I’ve shown, this is not at all true - it does matter and you should know why in order to make a smart decision when choosing a coating for your own use, whether you are the owner of a building, business or simply for your own household or automotive use. In fact, their dismissal of this critical measurement should tell you all you need to know about their coating.

So while Contact Angle is important, it is more important to know how the Contact Angle measurement varies over time. If your coated surface still remains at a relatively high Contact Angle AFTER a significant period of time, let’s say a few years (without the need to routinely re-apply, which is the case with coatings that do not have a PERMANENT BOND), then you are in the presence of a high-performance coating. The analogy that I often draw out of this question is the following: if you are purchasing a computer, wouldn’t you want to know how much memory and what size hard drive it has, as they will determine the overall performance of your computer? Likewise, not having any information about the Contact Angle, from a purely scientific or empirical perspective, is like not knowing the size of the hard drive in your computer. This is simply a matter of accuracy and disclosure of scientific facts that DO affect your everyday life by having access to improved performance. Then, taking the analogy a step further, wouldn't you want to know the speed of the processor or how fast you can perform your tasks with that same computer? This relevant 'speed' which determines your degree of productivity to a great extent, is precisely what the "Sliding Angle" represents, as it will be explained. One should know the difference between mediocre, good and excellent protective coatings to enhance your glass surfaces and keep it cleaner for longer periods of time thus reducing the required maintenance.

Brief historical context

Pilkington came in the mid 2000's with its Pilkington Activ™ hydrophilic (water-attracting) coating product, introducing for the very first time, worldwide, the new concept of "self-cleaning" glass; and here lies, in my personal view, the biggest myth ever produced in the glass industry. Why? Because as brilliant of an idea as this concept truly was, it was (and has been since) equally misleading and flawed at many levels, as I have been saying since the day it was first introduced. I call it a "lab coating", meaning that it can only produce its conceptual value and intended functional qualities at a lab session where all the variables can be manipulated and mechanically controlled. After more than 10 years, I have yet to see any building, anywhere, treated with any such self-cleaning product that would truly clean itself even under a torrential rain. However, if any producer or manufacturer of any such self- cleaning glass has supplied to any building anywhere in the world that can show and field prove this self-cleaning feature and capability, I urge and invite them to share such unique application and specific geographical location - as I'm yet to find it myself. Much to my surprise, many other players followed suit over the next 10 years, mostly all glass manufacturers that had the need to introduce something new, yet easy to bundle to increase sales volumes.

Why is it then that the self-cleaning glass concept failed so badly?

(Or at least not produced the high initial expectations of exponential increase in sales?)

The so-called self-cleaning glass then consisted of a hydrophilic coating with photocatalyctic properties fused into the glass at high temperatures during the manufacturing process. This type of coating typically reacts with the sun’s ultraviolet light and water (rain or induced water spray). Thus, these two elements (sunlight and water) must be present at the exact same time for the coating to be effective, creating the advertised sheeting action so that water can easily rinse the loosened dirt away. Due to its integral characteristics, there are many limitations to this concept of "self-cleaning", such as the following: glass must receive both sunlight and water in order to be "activated" (become functional as intended), it is not applicable to all kinds of glass, cannot be applied in the field but rather at manufacturing level only (making repair or replacement a lot more expensive), and it’s typically a lot more expensive than hydrophobic coatings. By contrast, most hydrophobic coatings require no ‘activation’.

There are other theories that refer to the "self-cleaning" glass differently - as those coatings with very high Contact Angles where the mechanical action required is virtual unnecessary and no accumulation of contaminants occurs. These theories are also hard to support, as I believe the misconception of self-cleaning is contrary to the reality and expectations of any end-user. For any glass to possibly be considered self-cleaning it would have to have a Contact Angle close to 180 degrees to then create a “rolling effect” (as shown in graphic below) so that no action will be required for any material, water or otherwise, to automatically roll off the treated glass hence never sticking at any point, leaving it as if nothing had ever touched the surface. Such ultra-hydrophobic theoretical concept is virtually the only way that one may reasonably claim the glass is truly self-cleaning. Anything beyond this concept is disingenuous and misleading, and therefore lacks credibility.

Ball “Rolling Effect” of a 180 deg. Contact Angle

So the answer to my somewhat rhetorical question of why self-cleaning glass is failing is very simple: because one can mislead with a descriptive name for only so long, and facts end up speaking by themselves. In other words, a self-cleaning surface that does not actually self-clean is an oxymoron, period. Furthermore, this is the reason why most, if not all, such self-cleaning coatings have been a monumental failure as they have not been adopted in any significant fashion anywhere in the world.

As opposed to the unrealistic expectations of “self-cleaning” glass, Easy-to-Clean hydrophobic coatings essentially create a surface that repels the water as well as the minerals and contaminants it carries. Supporters claim that by repelling this water, fewer drops can stick to the glass and dry there (depositing its cargo) - thus, fewer spots. When it comes time to cleaning the glass, those spots can’t stick as easily to the smooth surface and so they are easier to remove. Thus the treated surface becomes easy-to-clean, very similar to the concept of a Teflon-coated cooking pan.

Contact Angle Image: Treated Glass with Diamon-Fusion® nanocoating vs. Untreated Glass

What is "Sliding Angle"?

Why is this NEW concept in Architectural Glass so valuable? 

While Sliding Angle is not necessarily a new concept, its historical use has been traditionally limited to the automotive industry. The introduction of Sliding Angle into the Flat Glass Architectural Industry is in my view, of paramount importance as this "dynamic dimension" (in addition to the already known "static dimension" of Contact Angle) truly completes the whole picture and much better defines overall performance since it adds the processor speed to the size of the hard drive - going back to my aforementioned computer analogy. 

Why do I mention speed? Because such "slickness" then provides the speed (which defines the angle) at which water can travel making the treated surface that much faster while being absent of water and all other contaminants that would otherwise stick. While the Contact Angle, as a static dimension, will increase gravity for water to move faster with less "tail", the Sliding Angle, as a dynamic dimension, will improve the quality of the glass by making it easy-to-clean. 

Sliding Angle may also be called "roll-off" angle and has its own practical meaning and usefulness. It is defined as the angle between the sample surface and the horizontal plane at which the liquid drop starts to slide off the sample surface under gravity influence. In its simplest explanation, however, Sliding Angle measures the “slickness” of a surface – whether coated or not.

The intrinsic value of Sliding Angle when it comes to architectural glass has to do with the fact that the material choices in architectural designs, including slope, ought to consider rain drops rolling off in order to maintain the integrity of the glass and cosmetic beauty (of the building facade) while minimizing glass erosion, a relevant but yet underestimated issue. The angles of the surfaces relative to the ground should be at least larger than the water Sliding Angles on the surface of the roofing materials. Then, the Sliding Angle absolutely determines how easy-to-clean the building facade becomes: the lower the angle the easier to clean the glass surface is. Coatings with Sliding Angles in the low 20 degrees are most effective when it comes to the easy-to-clean feature, thus saving time and material cost during cleaning cycles, providing a very tangible return-on-investment for the coating. 

Sliding Angle is measured by placing a drop of water - the size of which is determined by the testing standard - at one end of the sample of coated glass. Then the sample is tilted until the drop of water begins sliding. The tilt of the glass at that very instant is the Sliding Angle. The lower the Sliding Angle the slicker the surface. The slicker the surface, the less elements (such as water and contaminants) can stick. As it measures how easy or difficult it is for things to stick to the surface, Sliding Angle therefore can be that credible proxy to measure “easy-to-clean” that the industry needs. So the lower the Sliding Angle of a surface, the easier it is to clean. 

On the graphic above, a solid surface is tilted in order to measure the water droplets on the surface as they slide. 


A hydrophobic coating provides glass not only a water-repellant surface but most importantly an easy-to-clean surface. 

Seeking the best combination of a high and durable Contact Angle with a low and durable Sliding Angle will unquestionably offer the best value on Architectural Glass, and therefore the most cost-effective solution to protect your investment (i.e. commercial building), with best return (ROI) and most significant costs savings, including water savings and best alternative for a cleaner and greener environment. As explained, the slicker the surface, the less elements (such as water and contaminants) can stick to it. Such slickness or smoothness effectively imparts the velocity (which defines the angle) at which water can travel making the treated surface that much easier to clean while being absent of water and all other contaminants that would otherwise stick. 

While the Contact Angle, as a static dimension, will increase gravity for water to move faster with less "tail", the Sliding Angle, as a dynamic dimension, will improve the quality of the glass by making it easy-to-clean as pollutants and contaminants will find a harder barrier to stick - under such smoother surface. It can then be extrapolated as follows:

The lower the Sliding Angle and the higher the Contact Angle, the faster the water (and other contaminants) will travel over the treated hydrophobic surface, hence the faster and easier the surface will be cleaned AND the less water shall be required for cleaning and maintaining such treated glass as well. 

Therefore, collectively speaking, the lowest possible Sliding Angle combined with the highest possible Contact Angle, while both angles remain durable over time, will unquestionably provide the highest glass performance, and improved quality overall, while enhancing both beauty and functionality to all architectural glass.