Glass coating is an inorganic material made of a Silica or a Quartz-Silane-based compound. It is used to protect the painted surfaces of car bodies. It is less likely to stain. Unlike traditional wax, its luster and protection can be long-lasting once it is applied. This is because they do not contain materials that oxidize (bind with oxygen). Oxidation weakens the original protection and shine of many car products, thus rendering the car surface prone to damage. It is easy to maintain, provides clean, shiny surfaces and long-lasting protection.
What is the difference between coating and wax?
The main component of wax is carnauba wax oil, which is extracted from palm trees. In recent years, some waxes have added petroleum. Higher quality waxes contain more carnauba oil. Carnauba wax is oil based, so it has water-repellent characteristics and can obscure scratches. However, there are also disadvantages. Waxes can easily become dirty because oil has a high viscosity (thick and sticky). This means dirt can stick to it. Also, wax can easily melt and deteriorate because it is sensitive to heat. Sunshine or engine heat can promote deterioration and cause wax to melt off the car’s surface. Wax can also break down in the rain or when the car is washed.
On the other hand, coating has a chemical composition of silicon, silica, fluorine and titanium. These molecules form a film coating that penetrates between the molecules of the car’s painted surface, creating a very powerful protective layer. Resistant to dirt, heat and rain, coating’s protection and shine will last over a longer period than wax.
There are various kinds of coatings that range in application complexity from simple, which any consumer can apply, to products for professional use only.
During its application, if the car’s surface is dirty and rough, materials will not adhere to car body paint, so surface preparation before application is important.
Types of Glass Coatings
Glass-based coatings can be broadly divided into two categories: quartz-silane based coatings and silica-based coatings.
The quartz-silane-based glass coating, also known as “completely cured glass film type” achieves very high gloss and strong durability. It protects the car body by creating a cured coating of silica on the car’s surface. However, it takes about three weeks for the coating to be fully cured, which is a drawback. It is also expensive because it takes a long time for the product to be formulated.
The silica-based glass coating, also known as “glass fiber type “, also makes a film, coating the surface of the car body. It is fixed to a silicon polymer molecule. It is an easy formulation and, therefore, is costs less to produce. However, its durability and water repellency is inferior compared to the quartz-silane-based.
In addition, some of the fluorine-based coatings, such as Teflon, are used to coat car bodies. They are excellent in durability. However, they are inferior compared to glass coatings and more expensive to formulate. As a result, glass coatings are on the cutting edge of technology’s focus of exploration.
A Glass Coating Hybrid
Currently, there is debate about whether hydrophilic (attracts water) products are more effective than hydrophobic (repels water) products for car care. Glass is hydrophilic. The new types of glass coatings are hybrids, adding a silicone resin layer to the existing glass layer to change the hydrophilic trait of glass to hydrophobic, thus creating a strong water repellant product.
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