Are ceramic coatings resistant to chemicals?

Ceramic coatings offer a high level of chemical resistance that protects your car's paint from all types of acidic contaminants, including elements that you might not think of, such as acid rain, insects and bird droppings. Professionally applied ceramic coatings are the gold standard when it comes to chemical resistance. For all these reasons, chemical resistance is one of the most important properties of ceramic coatings for cars. All you have to do is apply a single layer of ceramic coating to your car and the vehicle will receive permanent protection against environmental and biological contaminants.

In addition, PDMS is known for its chemical inertness and its excellent thermal and UV resistance. The high degree of cross-linking density contributes to its chemical resistance. Ceramic coatings, in particular the ceramic coatings of the Ecocoat series, are formulated to resist strong acids, caustic products and also solvents such as gasoline and diesel. In addition, ceramic coatings help prevent fading caused by UV rays, which degrade the pigment of painted surfaces, such as cars and buildings.

The hardness of the PDMS-based ceramic coating depends on the cross-linking agents in the formula. Corrosion protection is attributed to the ability of the coating to react with the surface of the steel, forming a chemically bonded phosphate film that acts as a passivation layer, while fire protection is due to the very high reflectivity of infrared radiation (IR reflectivity) of the coated surface against thermal radiation. Epoxy-based sprayable ceramic coatings do not contain solvents, have a low VOC content and achieve a smooth and uniform finish. When conditions are favorable, tests indicate that DLC coatings have the potential to provide the lowest wear rates of ultra-high molecular weight polyethylene (UHMWPE), perhaps half that of alumina, without the risks associated with fracture of ceramic components.

All ceramic coatings have been designed with specific characteristics such as hardness, hydrophobicity and durability. Nanostructured ceramic coatings by thermal spraying were initially evaluated and developed through the research programs of the United States Navy and were subsequently successfully applied to military and industrial components. PDMS are commonly used in the formulation of ceramic coatings, since they are generally non-toxic, inert, non-flammable, optically transparent with an excellent temperature and are stable to UV rays. Without the addition of the cross-linking agent to the ceramic coating system, the PDMS monomer will tend to react along the main chain, forming a longer chain with minimal cross-linking.

Typical ceramic coating materials in thermal spraying are aluminum, titanium, chromium and zirconium oxides. Hard ceramic coatings, several microns thick, are deposited on cemented carbides to improve their resistance to wear, particularly to thermally caused wear, such as the formation of craters on the face of the rake. Because of these contrasting properties, CVD coatings are used in turning and milling in general, while PVD coatings are applied when cutting forces are high and chipping resistance is required. Ceramic coatings are also used in the oil and gas, petrochemical, steel, plastics, textile and other industries.

Chemically bonded phosphate ceramic (CBPC) coatings (CBPC), since they can be formed under environmental conditions, have allowed the development of the first fully inorganic sprayable coatings in history. For large particles and stones, maintenance professionals should use coatings with the largest ceramic beads available. .

Naomi Alamos
Naomi Alamos

Evil travel evangelist. Award-winning web aficionado. Passionate twitter practitioner. Award-winning travel ninja. Amateur internet junkie.

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