What Is Automotive Ceramic Coating Made Of?

Picture of Nathan Tiber
Nathan Tiber

I’m Nathan Tiber, founder of Nathan’s Detailing, with more than 20 years of hands-on experience in mobile detailing, vehicle protection, dealership reconditioning, and quality control. I share practical advice based on the real vehicles and detailing challenges my team and I handle across Northeast Ohio while putting smiles on people’s faces, one vehicle at a time.

Automotive ceramic coating is a formulated liquid made from film-forming chemical components plus a carrier system that allows those components to be stored, spread, and applied to a vehicle surface. The exact chemistry varies by product, and curing develops the applied formulation into its functional coating film.

That distinction matters because ceramic coating is not one standardized chemical called SiO₂. Current automotive coatings use different formulation systems. XPEL describes FUSION PLUS through silicon-dioxide technology and a proprietary chemical matrix, Gtechniq describes Crystal Serum Light as silicon-dioxide-based, and GYEON describes Q² Mohs EVO as a modified-polysilazane coating.

The liquid inside the bottle is also not identical to the coating state that ultimately performs on the vehicle. The bottled formulation must remain usable for storage, flow, application, and leveling. After application, the formulation undergoes the cure or development process specified for that product.

Film-forming system + Carrier / formulation system Application Functional coating film

What Components Make Up a Ceramic-Coating Formulation?

A ceramic-coating formulation can contain several component classes with different jobs rather than one ingredient responsible for everything the coating does.

The exact contents remain product-specific, but the formulation can be understood through the roles its components perform.

Formulation ComponentMain Role Before or During ApplicationWhat It Does Not Automatically Tell You
Film-forming chemistryDevelops or contributes to the functional coating film.It does not identify one chemistry shared by every coating.
Carrier / solvent systemKeeps the formulation workable for storage, flow, spreading, and leveling.Its bottled percentage does not equal its percentage in the cured film.
Resin or polymer componentsCan contribute to film development or other formulation behavior where used.There is no evidence that every ceramic coating uses the same resin system.
Product-specific modifiersAdjust properties of an individual formulation.They should not be assumed without technical documentation.
Proprietary componentsForm part of a manufacturer’s complete product system.A product page or SDS may not disclose the complete recipe.
Functional architecture of a ceramic coating formulation Technical visualization showing an application-ready ceramic coating formulation containing a carrier phase and film-forming components without implying ingredient percentages. FIG 1.0: FORMULATION ARCHITECTURE FUNCTIONAL ROLES — NOT INGREDIENT PROPORTIONS FILM-FORMING SYSTEM CARRIER / SOLVENT PHASE APPLICATION-READY MIXTURE ROLE VISUALIZATION — PRODUCT-SPECIFIC COMPOSITION VARIES nathansdetailing.com
Figure 1: Functional Architecture of the Bottled Formulation Ceramic coating is better understood as a multi-role formulation than as one ingredient. The illustration separates film-forming chemistry from the carrier phase without implying universal ingredient percentages.

The important point is role separation. The material that lets a coating flow from an applicator performs a different job from the chemistry that develops into the protective surface.

Is Every Automotive Ceramic Coating Made From the Same Chemistry?

No. Automotive ceramic coatings belong to the same broad product category, but manufacturers use different formulation chemistries.

Automotive CoatingManufacturer Chemistry DescriptionWhat It EstablishesWhat It Does Not Establish
XPEL FUSION PLUSSilicon-dioxide technology within a proprietary chemical matrix.XPEL uses SiO₂-related technology in the named coating system.That every ceramic coating uses the same formulation.
Gtechniq Crystal Serum LightSilicon-dioxide-based formula.The named coating is described as SiO₂-based.A universal SiO₂ percentage.
GYEON Q² Mohs EVOModified polysilazane formulation.An automotive ceramic coating can use polysilazane chemistry.That polysilazane is required in all ceramic coatings.
Comparison of documented automotive ceramic coating chemistry descriptions Three technical lanes compare XPEL FUSION PLUS, Gtechniq Crystal Serum Light, and GYEON Q2 Mohs EVO, showing that ceramic coating is a shared category rather than one identical formulation. FIG 2.0: CHEMISTRY FAMILY COMPARISON SAME COMMERCIAL CATEGORY ≠ IDENTICAL FORMULATION XPEL FUSION PLUS SILICON-DIOXIDE TECHNOLOGY GTECHNIQ CSL SILICON-DIOXIDE BASED GYEON Q² MOHS EVO MODIFIED POLYSILAZANE PRODUCT CATEGORY IS SHARED — CHEMISTRY LANGUAGE IS NOT nathansdetailing.com
Figure 2: One Category, Different Chemistry Descriptions Current manufacturers use different technical descriptions for products that all belong to the automotive ceramic-coating category.

These examples support a more defensible definition: ceramic coating is a formulated automotive surface-coating category, not one universal chemical recipe.

That chemistry distinction sits underneath our broader explanation of what ceramic coating is as an automotive surface-protection system.

What Part of Ceramic Coating Forms the Protective Film?

The film-forming portion is the part of the formulation that develops into or contributes to the functional coating layer during application and curing.

Bottled formulation Wet applied film Leveling Cure / development Functional coating film

This is intentionally a category-level description. It does not assume that every product uses the same reaction mechanism.

XPEL, for example, describes the technologies in FUSION PLUS as cross-linking to form its coating. That makes cross-linking appropriate when describing the named XPEL system, but it does not establish one identical molecular pathway across the entire category.

Film-Forming Chemistry vs Carrier System

AttributeFilm-Forming SystemCarrier / Solvent System
Primary purposeDevelop or contribute to the coating film.Make the product workable as a liquid.
Relevant stateApplied and developed coating.Primarily bottled and application state.
Typical questionWhat chemistry develops the functional surface?How can the coating flow, spread, and level?
Can bottled percentage define coating quality?Not by itself.No.
Same across every coating?No.No.

What Is the Carrier or Solvent in Ceramic Coating For?

The carrier or solvent system gives the ceramic-coating formulation the liquid behavior required for storage, transfer, spreading, and controlled application.

A professional coating cannot function only as an abstract cured material. It first has to exist in a form an installer can distribute evenly across a prepared automotive surface.

Gtechniq’s U.S. Safety Data Sheet identifies Crystal Serum Light as a mixture and lists distillates (petroleum), hydrotreated light at 85–95% in Section 3. That value belongs to that specific product document and should not be generalized to ceramic coatings as a category.

What the 85–95% Figure Actually Means

StatementSupported?Reason
Crystal Serum Light’s cited U.S. SDS lists hydrotreated light petroleum distillates at 85–95%.YesThe range appears in Section 3 of that specific SDS.
All ceramic coatings are 85–95% solvent.NoOne product cannot establish a category-wide formulation range.
The cured coating film is 85–95% petroleum distillate.NoThe SDS describes the bottled mixture, not a mass-balance analysis of the cured film.
The largest SDS percentage must be responsible for coating performance.NoConcentration and functional role are different questions.
The SDS automatically shows the complete proprietary formula.Not necessarilySDS disclosure follows hazard-communication requirements.

Authority distinction: what is present in an application-ready bottle is not the same question as what constitutes the functional coating after cure.

Is SiO₂ the Main Ingredient in Every Ceramic Coating?

No. SiO₂ is associated with many automotive ceramic coatings, but it is not a universal main ingredient or universal percentage across the category.

SiO₂ is the chemical formula for silicon dioxide. The phrase appears frequently in ceramic-coating descriptions, but manufacturers use different levels of specificity.

XPEL describes FUSION PLUS using silicon-dioxide technology. Gtechniq describes Crystal Serum Light as silicon-dioxide-based. GYEON describes Q² Mohs EVO through modified polysilazane chemistry.

Marketing / Technical StatementWhat It Actually Says
Silicon-dioxide technologySiO₂-related technology forms part of the identified product system.
Silicon-dioxide-based formulaThe manufacturer characterizes the product around SiO₂-based chemistry.
Modified polysilazaneThe identified coating uses a different named polymer chemistry.
Contains X% SiO₂A quantitative composition claim requiring exact product and measurement evidence.

SiO₂-based ≠ uses SiO₂ technology ≠ contains a specified percentage of SiO₂.

Does a Higher SiO₂ Percentage Automatically Mean a Better Ceramic Coating?

No. An advertised SiO₂ percentage by itself does not establish the overall quality or performance of a ceramic coating.

XPEL explains that SiO₂ is only one part of the coating formula and also points to formulation factors such as carrier solvents, resin blends, adhesion, cross-linking, and curing.

Evaluation MethodWhat It ConsidersStandalone Value
Headline SiO₂ percentageOne formulation claim.Weak
Complete formulation behaviorMultiple interacting components.More meaningful
Adhesion and cure behaviorHow the coating develops on its intended substrate.More meaningful
Manufacturer-defined application systemPreparation, application, and cure requirements.More meaningful
Defined technical testingMeasured properties under stated conditions.Stronger

Single ingredient metric ≠ complete coating system.

What Does Polysilazane Mean in Ceramic Coating?

Polysilazane is a class of polymers containing silicon and nitrogen, and modified polysilazane chemistry is used in some automotive ceramic coatings.

GYEON provides a current automotive example. The manufacturer describes Q² Mohs EVO as being made from modified polysilazanes, with its U.S. material describing a fluoro-modified polysilazane formulation.

Polysilazane Polymer chemistry family Modified formulation Named automotive coating

This does not justify saying that “real ceramic coatings are polysilazane.” Polysilazane represents one formulation route within the wider automotive coating category.

Why Don’t Manufacturers Publish the Full Ceramic-Coating Formula?

Manufacturers can disclose useful technical and safety information without publishing every ingredient and exact proportion in their proprietary commercial formula.

DocumentPrimary JobUseful ForFull Recipe?
Product pageExplain product technology and intended benefits.Manufacturer terminology and named chemistry.No
Technical Data SheetDefine technical or application specifications.Substrates, conditions, and measured properties where supplied.No
Safety Data SheetCommunicate hazards and safety information.Required ingredient and concentration disclosures.No
Manufacturer FAQClarify product-specific questions.Manufacturer interpretation and technical explanations.No
Complete proprietary formulationExact commercial recipe.Full composition.Usually not public

An SDS is a hazard-communication document. It is useful composition evidence, but it should not automatically be interpreted as the manufacturer’s complete formulation recipe.

Does the Liquid in the Bottle Become the Cured Coating Film?

Not in exactly the same material state. The application-ready liquid develops through application and curing into the functional coating film intended by that product system.

Bottled mixture Wet applied film Leveling Cure / development Functional surface film
Ceramic coating formulation state transition Animated process showing an application-ready coating being deposited, leveled, and developed into a continuous functional coating film without assigning one universal chemical reaction. FIG 3.0: APPLICATION → DEVELOPED FILM STATE TRANSITION — NOT A UNIVERSAL REACTION EQUATION 1. APPLICATION 2. LEVELING / DEVELOPMENT 3. FUNCTIONAL FILM BOTTLED MIXTURE AND DEVELOPED COATING ARE DIFFERENT MATERIAL STATES nathansdetailing.com
Figure 3: From Application-Ready Liquid to Functional Coating Film The animation visualizes the material-state transition without claiming one universal ceramic-coating reaction mechanism.
AttributeBefore ApplicationAfter Application / Cure
Physical contextBottled liquid formulation.Functional surface coating.
Primary requirementStorage, flow, and controlled application.Intended surface performance.
Carrier systemRelevant to application behavior.Cannot be assumed to remain in its bottled proportion.
Correct descriptionLiquid coating formulation.Functional coating film.
Incorrect universal description“Bottle of pure SiO₂.”“Pure glass left on the paint.”

Why Do Ceramic-Coating Formulas Differ for Paint, Glass, Wheels and PPF?

Coating manufacturers create different product systems for different surfaces because the substrate and operating environment change the performance requirements.

XPEL maintains separate coating categories for surfaces including paint and paint protection film (PPF) , satin finishes, wheels and calipers, glass, plastic and trim, and other applications.

Target SurfaceExample Product ContextWhy the Context Differs
Paint / PPFExterior coating system.Painted or film-covered exterior surface.
Satin finishSatin-specific coating.The appearance characteristics of the finish must be preserved.
Wheels / calipersWheel and caliper coating.Different heat and contamination environment.
GlassGlass coating.Transparent viewing surface with different functional requirements.
Plastic / trimTrim-specific system.Different substrate and appearance characteristics.
Vehicle substrate-specific ceramic coating system map Technical vehicle side-profile with callouts for paint and PPF, glass, wheels and calipers, and trim as different coating substrate contexts. FIG 4.0: SUBSTRATE-SPECIFIC SYSTEMS TARGET SURFACE CHANGES THE FORMULATION CONTEXT PAINT / PPF GLASS WHEEL / CALIPER PLASTIC / TRIM nathansdetailing.com
Figure 4: Why the Target Surface Matters Paint, PPF, glass, wheels, and trim do not present one identical surface environment, which is why product identity and intended substrate matter when interpreting coating chemistry.

What Actually Remains on the Paint After Ceramic Coating Cures?

After curing, the relevant protective entity is the resulting functional coating film, not the application-ready liquid in its original bottled state.

Before installation, the formulation has to satisfy practical requirements such as storage stability, transfer, spreading, and leveling.

After the manufacturer-defined development or cure process, the surface is evaluated as a developed coating system.

QuestionCorrect Object of Analysis
What is in the bottle?The liquid formulation or mixture.
What is protecting the paint?The developed functional coating film.

Confusing those two states leads to weak claims such as “the bottle is mostly X, therefore the finished coating is mostly X” or “SiO₂ appears on the product page, therefore the cured layer is pure silica.”

Neither inference is justified without product-specific chemical analysis.

What Ceramic Coating Systems Do We Install?

At Nathan’s Detailing, we identify the ceramic-coating systems we install rather than treating every product as an unidentified generic “ceramic” liquid.

That distinction matters because the exact coating we install determines which manufacturer’s technical documentation, substrate requirements, application guidance, and maintenance information apply.

Our professional ceramic coating service uses XPEL coating systems and a process built around paint assessment, decontamination and preparation, controlled application, curing, and final inspection.

We complete ceramic coating, PPF, and window tint installations in our controlled studio for vehicle owners throughout our protection service area across Cleveland, Akron, and Northeast Ohio .

We use that same controlled-studio process for our ceramic coating service in Cleveland , where surface preparation, coating application, and curing are completed in-shop rather than as a mobile installation.

Our Coating-System ContextWhy Product Identity Matters
XPEL coating system We tie chemistry and formulation claims to documentation for the exact coating being installed.
Intended substrate We consider whether the coating is intended for paint, PPF, glass, wheels, trim, or another surface.
Preparation We treat coating installation as a complete surface-preparation and application process rather than reducing it to an ingredient percentage.
Cure and maintenance We use product-specific requirements instead of generic assumptions about anything labeled “ceramic.”

When we evaluate a coating system, the useful sequence is:

Manufacturer Exact product Intended substrate Our preparation process Application Cure + maintenance

What Does “Ceramic” Actually Tell You About the Formula?

The word “ceramic” tells you more reliably which automotive coating category a product belongs to than it tells you its exact ingredient list.

  • Automotive ceramic coatings do not all use identical chemistry.
  • Silicon-dioxide terminology applies to named products, but it is not a universal formulation definition.
  • Modified polysilazane chemistry is used in current automotive ceramic coatings.
  • A carrier or solvent system can represent a substantial part of an application-ready formulation.
  • A large carrier percentage in one SDS does not define every ceramic coating.
  • An SDS is not automatically a complete proprietary formulation.
  • A bottled coating formulation and its developed functional film are different material states.
  • Different substrates can have dedicated coating products.

The complete composition model is: film-forming chemistry + carrier/formulation system → application → curing/development → functional coating film

That is why the question “What is automotive ceramic coating made of?” cannot responsibly be answered with only “SiO₂.”

Automotive ceramic coating is a product-specific formulated liquid built from a film-forming chemical system and the carrier or formulation components required to apply it. Manufacturers use different chemistry descriptions, including SiO₂-based and modified-polysilazane systems, and the application-ready liquid develops into the functional coating film during the product’s specified curing process.

For our customers, the practical implication is straightforward: we evaluate the exact coating product and its documented formulation system, not a generic ingredient percentage or the word “ceramic” by itself.