Ceramic Coating & PPF Guide: Understand
What Is a Ceramic Coating?
A ceramic coating is one of the most talked-about products in car care, and one of the most oversold. Some ads make it sound like armor. Others make it sound like an expensive wax. The truth sits in between, and it is easier to judge once you know what is actually in the bottle.
This guide explains the chemistry without the jargon, what a coating sticks to, what it changes about how your car looks and cleans, and where its limits are.
The short answer
A ceramic coating is a liquid made mostly of silicon-based compounds (silanes, siloxanes or polysilazanes) that is wiped onto clean, polished paint and cures into a thin, hard, glass-like layer chemically bonded to the clear coat. It makes paint glossier, slicker and water repellent, so dirt releases more easily and washing is simpler. It does not stop rock chips or deep scratches, and it still needs regular hand washing.
Key points
- A coating is a reactive liquid that cures into a thin silica-type film; it is not a wax that sits loosely on top.
- It bonds best to a perfectly clean, polished clear coat, which is why prep takes longer than application.
- The everyday benefits are gloss, slickness, water beading and easier washing.
- The rated years assume proper washing; a neglected coating fades much sooner.
- Rock chips, dings and deep scratches are jobs for paint protection film, not a coating.
The basics
A liquid that turns into a hard, thin layer
In the bottle, a ceramic coating is a clear liquid. On the paint, it reacts with moisture in the air and with the surface itself, then cures into a solid film. That film is very thin: you cannot feel an edge where it stops, and it does not change the color of the paint.
The word "ceramic" refers to the end result. Once cured, the main building block is a silicon and oxygen network, chemically similar to glass or quartz. That is why you see terms like SiO2 (silicon dioxide, also called silica) and "glass coating" on labels.
What separates a coating from a wax or a spray detailer is the bond. Wax sits on the surface and washes away over weeks. A coating forms chemical bonds with the clear coat and crosslinks into a network, so it holds on far longer and resists the soaps and road film that strip a wax.
Chemistry
What is actually in a ceramic coating
Professional coatings are blends, and most brands keep exact recipes private. The ingredients fall into a few families, and knowing them helps you read a label or a safety data sheet.
- Silanes and siloxanes (the SiO2 family)
- These are silicon compounds that react with moisture and link together into a silicon and oxygen network as they cure. IGL's safety data sheet for its Kenzo base layer, for example, lists an alkoxysilane and a dimethyl siloxane among the main ingredients. Siloxane chemistry is also what gives a coating its slick, water-shedding feel.
- Polysilazanes
- A related family built on silicon and nitrogen. Research on perhydropolysilazane films shows they react with moisture and oxygen in the air and convert to silica. Several coatings use this chemistry; IGL describes its single-layer EZ coating as built on a cyclosilazane network. How a coating bonds
- "SiC" and silicon carbide labels
- Some products are marketed as silicon carbide coatings. Treat that as a product family name, not proof of better performance. There is little independent data comparing SiC-labeled products with silica-based ones, so judge any coating by its technical data sheet and the installer's prep, not the acronym.
- Graphene and other additives
- Many current coatings add graphene nanoplatelets, catalysts or other modifiers. IGL says graphene in its Quartz+ formula lowers the slip angle by about 20 percent, which means water and dirt slide off more easily. Additives tune how a coating behaves; they do not turn it into a different kind of product. Graphene vs ceramic
Surfaces
What a ceramic coating bonds to
The main target is automotive clear coat. IGL's technical data sheets describe its paint coatings as made for alkyd, acrylic, polyurethane and epoxy paints, which covers essentially every modern factory finish and most quality refinishes.
Coatings also go on other exterior surfaces. IGL lists its paint coatings as safe on matte and gloss paint, paint protection film and vinyl, and markets separate or multi-surface formulas for wheels, glass, plastic trim and headlights. Each surface bonds differently, so a good installer picks the product and prep for the material instead of wiping one bottle over everything.
Here is the catch: a coating bonds to whatever is on the surface when it goes on. If there is wax, polish oil, iron fallout or a fingerprint, the coating bonds to that instead of the paint. That is why manufacturers insist on decontamination, polishing and a degreasing wipe right before application.
Benefits
What a coating changes about your car
- Gloss and depth: the cured film is clear and smooth, so polished paint reflects more sharply. A coating amplifies the finish underneath; it does not hide swirls.
- Slickness: the surface feels glassy, and dirt, pollen and road film have a harder time sticking.
- Water behavior: water beads into tight drops and rolls off instead of clinging. Contact angles above 90 degrees count as hydrophobic; IGL rates Quartz+ above 110 degrees.
- Easier washing: most grime rinses off with less scrubbing, which means less wash-induced marring over time.
- Chemical resistance: a cured coating stands up to bird droppings, bug residue and tree sap better than bare clear coat, though you still need to remove them promptly.
- Some resistance to fine marring and water spots: manufacturers advertise improved resistance, not immunity.
Every benefit depends on the paint being clean and correct before the coating goes on. A coating locks in whatever condition it covers.
Limits
What a coating does not do
A coating is measured in microns, not millimeters. It cannot absorb the impact of a stone thrown off a truck tire on I-85, and it cannot stop a key, a shopping cart or a careless brush wash from cutting into the paint below. Paint protection film is the product built for impact.
It also does not end washing. A coated car still collects pollen in spring, red clay dust after a rain and bugs on summer evening drives. The difference is that the dirt comes off more easily. Mineral-heavy water can still leave spots if it dries on the surface, especially in summer sun.
- Full list of limits
- Chips, dings, deep scratches, water spots, washing and more, explained one by one. What a coating won't do
Durability
Why coatings come in 1, 3 and 5 year versions
Coatings are sold by rated durability, which mostly reflects how thick and how crosslinked the cured film is, plus how many layers go on. A higher rating means more material and usually more application time, not a different kind of magic.
The years assume proper care: hand washing with a pH-neutral shampoo and no harsh chemicals. IGL's data sheets recommend cleaners in the pH 3 to 9 range and warn that strong acids and alkalis damage the coating's water repellency. A car run through brush washes and parked under sap-dripping pines will not see the full rating.
- IGL EZ (1-year class)8H rated
- A single-layer coating built on a cyclosilazane network. IGL rates it for up to 12 months of protection and markets it for paint, wheels, trim, glass and film.
- IGL Quartz+ (3-year class)9H rated
- A two-layer hybrid system (a base coat and a top coat) with graphene nanoplatelets, marketed for strong water repellency and a self-cleaning surface.
- IGL Kenzo (5-year class)10H rated
- IGL's flagship two-layer system, sold only to trained installers. IGL describes it as 100 percent active material with no solvent, which builds a thicker film. How long coatings last
These are the three IGL tiers The Auto Show installs. The years are the product's rated durability with proper maintenance, not a promise.
Fit
Who gets the most out of a ceramic coating
A coating makes less sense if you rely on automatic brush washes and do not plan to change that, or if the paint is failing (peeling or chalky clear coat). In those cases the money goes further on a correction, a repaint or simply a good sealant and better washing habits.
- Owners who wash their own car and want it to stay cleaner between washes.
- Anyone who just paid for paint correction and wants to keep that finish longer than a sealant would.
- New car owners who plan to keep the car several years.
- Cars that live outside, where pollen, sap and bird droppings are a constant fight.
- Owners pairing a coating with paint protection film on the front end, so the whole car is easy to clean.
| Wax | Paint sealant | Ceramic coating | Paint protection film | |
|---|---|---|---|---|
| What it is | Natural or synthetic wax film | Synthetic polymer film | Silica-type film that cures and bonds | Clear urethane film with adhesive |
| How it holds on | Sits on the surface | Light bond to the surface | Chemical bond and crosslinking | Pressure-sensitive adhesive |
| Typical life | Weeks | Months (Level 1 and 2 details use a 6-month sealant) | Rated 1 to 5 years with proper care | Years; check the film maker's warranty |
| Stops rock chips | No | No | No | Absorbs most small chips |
| Removal | Washes off | Wears off | Polishing | Peeled off with heat |
Many owners combine film on the front end with a coating everywhere else, including on top of the film.
See what a coating would do for your paint
We inspect your paint, show you what correction it needs, and explain which IGL coating fits how you drive and park. Prices start at the coupe rate and are confirmed after inspection.
Common questions
Is a ceramic coating actually made of ceramic?
Not in the pottery sense. The liquid contains silicon compounds such as silanes, siloxanes or polysilazanes. As it cures, those compounds react and link into a silicon and oxygen network that is chemically similar to glass. The cured film is called ceramic because of that glass-like structure, not because it contains clay or fired material.
Can you see a ceramic coating on the car?
You see its effect, not the layer itself. The cured film is clear and only microns thick, so it does not change the color. What you notice is sharper reflections, a slick feel and water beading. If a coating is applied badly, you can see uneven, darker patches called high spots, which is why lighting and leveling matter during installation.
Does a ceramic coating work on a matte or wrapped car?
Some coatings are made for it. IGL lists its paint coatings as safe on matte paint, paint protection film and vinyl. On matte surfaces the goal is protection and easier cleaning without adding gloss, and the surface cannot be polished first the way gloss paint can, so ask the installer which product and prep they use for matte.
Is a ceramic coating the same as a ceramic spray from the store?
No. Spray products labeled ceramic usually contain a small amount of silica-type ingredients in a much thinner, easy-wipe formula. They add slickness and beading for weeks or months. A professional coating is far more concentrated, goes on in controlled layers over prepared paint, and is rated in years rather than months.
Do new cars need a ceramic coating?
They do not need one, but new paint is the best time to add one because it usually needs the least correction. New cars still often have light marring from transport and dealer washes, so expect at least a decontamination wash and, where needed, a light polish before coating. A coating then makes that fresh finish easier to keep clean.
Sources
- Technical Data Sheet: Ecocoat Kenzo K1 (material no. 154343, rev. 08.09.2023), IGL Coatings (https://iglcoatings.com/wp-content/uploads/2023/09/tds_ecocoat_kenzo_K1_154343.pdf), accessed October 2026
- Safety Data Sheet: Ecocoat Kenzo Base, version 3, IGL Coatings (https://iglcoatings.com/wp-content/uploads/2025/05/Ecocoat-Kenzo-Base_V3_041024.pdf), accessed October 2026
- Ecocoat Kenzo, IGL Coatings (https://iglcoatings.com/products/ecocoat-kenzo-graphene-reinforced/), accessed October 2026
- Ecocoat Quartz+, IGL Coatings (https://iglcoatings.com/products/ecocoat-quartz-plus/), accessed October 2026
- Ecocoat EZ, IGL Coatings (https://iglcoatings.com/products/ecocoat-ez/), accessed October 2026
- Channa et al., Process Parameter Optimization of a Polymer Derived Ceramic Coatings for Producing Ultra-High Gas Barrier, Materials (Basel), 2021, PubMed Central (https://pmc.ncbi.nlm.nih.gov/articles/PMC8625640/), accessed October 2026
- How Liquid Works With Hydrophobic and Hydrophilic Surfaces, IGL Coatings blog (https://blog.iglcoatings.com/how-liquid-works-with-hydrophobic-hydrophilic-surfaces), accessed October 2026
Prices on this page are The Auto Show’s published starting prices and are confirmed after we inspect the vehicle. Product ratings and warranty terms come from the manufacturers.