Premium gold-colour, gold-like and real-gold-containing finishes for brands that need refined appearance, lasting durability and a more responsible production process.
For premium products, gold must do more than look beautiful at first glance.
It has to hold its shade across materials and batches, resist the realities of touch and wear, and meet growing expectations for cost control and more sustainable manufacturing. As brands expand across markets and product categories, the gold finish becomes part of both the design language and the manufacturing strategy.
That is why the coating process matters.
Precious-metal exposure can affect product cost when finish thickness, production volume and gold recovery become part of the manufacturing equation.
A gold finish must look intentional across materials, batches, lighting conditions and retail presentation.
Gold surfaces are often touched, worn, cleaned, assembled and photographed. The finish must hold up beyond first impression.
Premium brands increasingly expect surface finishing to support more responsible production, efficient material use and stronger ESG goals.
Every gold finish carries a different product intent. It may be chosen for visual warmth, durability, cost discipline, or the authenticity of real gold content. NTI Gold Finish™ translates these requirements into three distinct surface finishes for luxury product manufacturing.
NTI GoldTone Finish™ creates the visual warmth of gold without real-gold exposure, helping brands achieve refined gold aesthetics with stronger cost discipline, shade consistency and cosmetic durability.
A premium Au-free coating finish for brands seeking gold-like warmth, refined appearance and cosmetic durability without real-gold content.
Matte, satin, gloss, brushed and textured
From precision decorative parts to large-format components
Au-free premium gold-like finish
CIELAB-guided validation
PVD-based decorative gold-like coating
NTI HardGold Finish™ delivers a durable standard gold-colour surface without real gold content, designed for higher-handling components where decorative appeal, cost control and hard-wearing performance need to work together.
An electroplating-free PVD process that delivers durable gold colour, cost control and reliable surface performance for higher-handling components without real gold content.
Tunable across lightness, colour tone and gold intensity
Matte, satin, gloss, brushed and textured
Stainless steel, titanium, brass, copper alloys, zinc alloys, selected aluminium alloys, silver, glass, sapphire, zirconia, diamond and other qualified decorative substrates
From precision decorative parts to large-format components
CIELAB-guided validation
Up to 2,800 HV class, coating process dependent
PVD-based hard gold-colour coating without real gold content
NTI RealGold Finish™ brings authentic gold presence to premium surfaces, combining Au-based precious metal gold content with refined cosmetic quality, controlled deposition and long-term surface confidence.
A real-gold-containing coating process for authenticity-led products where Au-based precious metal gold content, cosmetic quality and long-term surface confidence are part of the product promise.
Matte, satin, gloss, brushed and textured
Stainless steel, titanium, brass, copper alloys, zinc alloys, selected aluminium alloys, silver, glass, sapphire, zirconia, diamond and other qualified decorative substrates
Au-based precious metal gold finish
CIELAB-guided validation
Supports more precise deposition and recovery-oriented process planning
Real-gold-containing PVD-based coating process
Selected NTI Gold Finish™ coatings can be paired with optional add-on enhancement services to strengthen exposure protection, refine surface texture or improve resistance to visible fingerprints and surface oils. NTI FinishGuard™, NTI MicroSmooth™ and NTI Oleo Repel™ can be evaluated individually or in combination, subject to the selected gold finish, substrate, geometry and application validation.
NTI FinishGuard™ is an optional protective add-on for selected NTI Gold Finish™ coatings used in high-touch or high-exposure applications. It is designed to strengthen the coating stack where perspiration, chlorides, humidity, moisture, cleaning agents, cosmetics and repeated handling may affect long-term appearance.
For suitable applications, NTI FinishGuard™ can add corrosion-protection and substrate-isolation support to help preserve the intended gold appearance where exposure resistance and longer-term appearance retention form part of the product requirement.
Standard Finish
NTI FinishGuard™ Enhanced
High-touch gold surfaces may be exposed to sweat, moisture, cleaning agents and repeated handling, which can increase the risk of staining, dulling, corrosion-related change or substrate-driven discolouration.
Gold-finished components used in eyewear, jewellery, grooming devices, sanitary hardware and lifestyle products can be exposed to perspiration, salts and skin chemistry.
Bathroom fittings, eyewear, accessories and high-touch decorative parts may face humidity, condensation and repeated wet-dry exposure.
Gold surfaces in sanitary, grooming, beauty and lifestyle applications may come into contact with soaps, lotions, disinfectants, cosmetics, perfumes or cleaning agents.
On brass, copper alloys, silver and mixed-metal substrates, substrate interaction or diffusion can contribute to tarnish, fading or discolouration if the coating stack is not properly designed.
Added environmental protection support for selected gold finishes exposed to sweat, humidity, cleaning and daily handling conditions.
Adds corrosion-protection support for selected gold finishes exposed to sweat and chloride-related conditions, helping reduce the risk of staining, discolouration and corrosion-related surface change.
Supports selected gold finishes in moisture-exposed environments by helping reduce humidity-related attack and underfilm corrosion risk.
Provides added surface protection support for selected cleaning and personal-care exposure conditions, helping preserve the intended gold appearance after defined validation tests.
Helps strengthen substrate isolation within the coating stack, supporting longer-term appearance confidence for selected gold finishes and qualified substrates.
Performance is subject to coating stack design, substrate material, part geometry, surface preparation, exposure conditions and application validation. Oleophobic or anti-fingerprint performance can be specified separately where required.
NTI FinishGuard™, NTI MicroSmooth™ and NTI Oleo Repel™ can be reviewed as optional add-ons to the selected gold finish, individually or in combination where suitable for the substrate, component geometry and application conditions.
NTI MicroSmooth™ is an optional surface-refinement add-on available for selected NTI GoldTone Finish™ and NTI HardGold Finish™ applications. It is designed to reduce coating surface roughness and create a smoother surface profile where close-view appearance, touch and premium surface quality matter.
The refinement pathway can be evaluated where a standard coating texture is more pronounced than the intended cosmetic or tactile requirement, subject to coating system, substrate, geometry and application validation.
Standard Surface
NTI MicroSmooth™ Enhanced
Depending on substrate condition, surface preparation and coating architecture, a standard coated surface may retain a more pronounced texture. This can be acceptable for many applications but may be less suited where a finer cosmetic appearance or smoother tactile feel is required.
Supports applications where a smoother coating surface is preferred over a more pronounced as-deposited texture.
A smoother surface profile can support a cleaner, more refined reflection on selected decorative gold finishes.
Helps create a smoother touch and surface feel for components that are frequently handled or experienced at close range.
Adds a surface refinement pathway for selected eyewear, jewellery, luxury hardware, grooming and lifestyle components.
A refined surface option for selected gold finishes where lower surface roughness, smoother touch and cleaner visual reflection are desired.
Helps reduce surface roughness on selected NTI Gold Finish™ coatings to support a smoother surface profile.
Supports a cleaner and more refined visual reflection by reducing pronounced coating texture on selected surfaces.
Helps create a smoother touch and more refined surface feel for frequently handled or close-view components.
Adds a premium surface refinement option for selected applications where cosmetic smoothness is part of the product requirement.
Surface roughness and final appearance depend on coating system, substrate condition, surface preparation, part geometry and finish specification. Roughness parameters such as Ra or Rz can be evaluated where required as part of application validation.
NTI FinishGuard™, NTI MicroSmooth™ and NTI Oleo Repel™ can be reviewed as optional add-ons to the selected gold finish, individually or in combination where suitable for the substrate, component geometry and application conditions.
NTI Oleo Repel™ is an optional oleophobic and anti-fingerprint add-on for selected NTI Gold Finish™ coatings used on polished, frequently handled or close-view components. It helps reduce the visibility and adhesion of fingerprint oils and smudges, supports easier cleaning and helps the gold finish retain its intended appearance between cleaning cycles.
The treatment can be evaluated for consumer electronics, eyewear, jewellery, grooming devices, luxury hardware and other high-touch applications where cleaner-looking surfaces and reduced visible marking contribute to perceived product quality.
Standard Finish
NTI Oleo Repel™ Enhanced
Polished gold surfaces can accumulate fingerprints, skin oils and smudges during handling, increasing visible marks and cleaning frequency.
Frequently handled gold surfaces can show visible fingerprint marks and smudges from skin oils.
Surface oils and light contamination can require more frequent cleaning to maintain a premium presentation.
High-touch components may be exposed to skin oils, cosmetics and other oily residues during normal use.
For premium gold finishes, colour, gloss and cosmetic character are central to the intended product appearance.
Oleophobic surface treatment helps reduce fingerprint visibility and oil adhesion, supporting easier cleaning and a cleaner-looking finish between cleaning cycles.
Helps reduce the visibility and adhesion of fingerprint marks on selected gold-finished surfaces.
Helps surface oils and light contamination release more readily during routine cleaning.
Adds oleophobic performance for high-touch applications exposed to skin oils, cosmetics and handling.
Adds oleophobic and anti-fingerprint performance while supporting the intended gold colour, gloss and cosmetic character on selected finishes.
Oleophobic and anti-fingerprint performance depends on the selected coating stack, surface condition, part geometry, cleaning regime and application validation. Additional repellency requirements can be evaluated separately where needed.
NTI FinishGuard™, NTI MicroSmooth™ and NTI Oleo Repel™ can be reviewed as optional add-ons to the selected gold finish, individually or in combination where suitable for the substrate, component geometry and application conditions.
To support sample evaluation, qualification and production readiness, NTI provides in-house validation across appearance, durability and environmental resistance.
Testing scope, conditions and acceptance criteria can be aligned to the substrate, application environment and project requirements.
Review the finish against the intended colour, tone, gloss and surface appearance requirements.
Areas of test include:
Assess coating adhesion, surface durability and wear response against handling, assembly and repeated use conditions.
Areas of test include:
Evaluate surface response against moisture, sweat, cleaning exposure, heat and corrosion-related conditions.
Areas of test include:
Testing and qualification scope. NTI Nanofilm provides testing and characterisation support for coating development and application qualification. Depending on the site, project scope and required methods, testing may be conducted in-house or coordinated through qualified external facilities. Recognised test methods may be referenced where applicable. Findings relate to the samples and test conditions evaluated and do not constitute independent third-party product certification.
NTI Gold Finish™ helps brands turn a desired gold appearance into a validated coating process, balancing premium design, durability, cost and production readiness.
Create refined gold tones with the repeatability needed across materials, batches and product formats.
Give high-touch surfaces the durability needed to withstand wear, sweat, cleaning and everyday handling.
Select the right finish to align gold appearance, performance requirements and commercial targets.
Advance more responsible surface finishing through PVD-based deposition and improved material control.
Move with confidence from approved samples into coating service, pilot production or in-house manufacturing.
NTI Gold Finish™ supports premium surfaces across luxury, eyewear, jewellery, fashion hardware, watches, writing instruments, premium homeware, sanitary hardware, grooming and beauty devices, premium audio and decorative components.
Frames, hinges, temples and decorative parts requiring consistent gold tone and handling durability.
Close-view components requiring cosmetic quality, shade refinement and real or near-real-gold appearance.
Clasps, locks, buckles, logos and trim where gold appearance must balance cost and durability.
Visible premium details where tone, reflection, touch and wear affect product perception.
Decorative homeware parts, trims, handles and lifestyle accessories where gold tone, surface feel and everyday handling shape product perception.
Faucets, shower fittings, bathroom accessories, trims and exposed hardware requiring gold appearance with support for moisture, cleaning exposure and frequent handling.
Professional salon tools, trimmer housings, blade components, covers and decorative trims requiring premium appearance, handling durability and cleaning-exposure support.
Visible luxury parts that need gold surfaces which photograph well and hold appearance through handling.
Choose the pathway that fits your project: move faster with established gold shade offerings, develop a tailored finish with NTI coating services, or bring PVD gold-colour production in-house with NTI equipment.
Accelerate sampling and production with established gold shade families and proven coating process directions.
Develop and validate a gold finish around your product, application environment and brand intent.
Build internal PVD gold-colour capability with batch or inline systems aligned to production needs.
Flexible batch production for varied components, programmes and gold-colour requirements.
Higher-throughput inline production with a controlled, repeatable workflow.
Continue exploring the applications, coating technology and broader finish possibilities behind distinctive gold surfaces.
Share your target colour, substrate, finish style and application needs. NTI will help you identify a gold coating process that fits your design intent, performance requirements and production goals.
A PVD gold coating is a thin-film surface finish deposited in vacuum to create a controlled gold-colour or gold-containing surface. Depending on the coating design, it can provide decorative colour, wear performance, shade repeatability and reduced reliance on conventional wet-plating processes.
NTI Gold Finish™ is NTI Nanofilm’s decorative PVD portfolio for premium gold surfaces. It includes NTI GoldTone Finish™ for Au-free premium gold-like appearance, NTI HardGold Finish™ for harder-wearing gold-colour surfaces without real gold content, and NTI RealGold Finish™ for applications that require Au-based precious metal gold content.
NTI GoldTone Finish™ prioritises premium gold-like appearance without real gold content. NTI HardGold Finish™ combines gold colour with higher surface hardness and hard-wearing performance. NTI RealGold Finish™ is intended for products where authentic Au-based precious metal gold content is part of the requirement or brand positioning.
No. NTI GoldTone Finish™ is an Au-free premium gold-like coating and NTI HardGold Finish™ is a PVD-based hard gold-colour coating without real gold content. NTI RealGold Finish™ is the Au-based precious metal gold option within the NTI Gold Finish™ portfolio.
Yes. NTI can develop toward market shade names, target CIELAB L*a*b* values, physical reference samples or brand colour references. Final colour is confirmed through sample validation because substrate, surface texture, gloss, geometry, coating stack and lighting can influence perceived gold appearance.
Qualified applications can include stainless steel, titanium, brass, copper alloys, zinc alloys, selected aluminium alloys, silver, glass, sapphire, zirconia, diamond and other decorative substrates. Final feasibility depends on substrate condition, geometry, surface preparation and the selected coating stack.
Yes. Matte, satin, gloss, brushed and textured finish directions can be reviewed as part of the application requirement. The achievable result depends on the substrate, pretreatment, component geometry, surface preparation and selected coating process.
NTI HardGold Finish™ is specified up to the 2,800 HV nanohardness class, depending on the coating process and validated coating stack. Final performance should be confirmed on the actual substrate and component against the intended use and qualification requirements.
For suitable applications, PVD-based gold-colour finishing can provide an alternative route to electroplating. Suitability depends on the required gold content, substrate, geometry, target shade, surface durability, finish style and production conditions, so application validation is required before production.
NTI FinishGuard™ is an optional protection add-on for selected NTI Gold Finish™ coatings. For suitable applications, it can add corrosion-protection and substrate-isolation support where sweat, chlorides, humidity, moisture, cleaning chemicals, repeated handling or substrate interaction may affect longer-term appearance.
NTI MicroSmooth™ is an optional surface-refinement add-on that helps reduce coating surface roughness and create a smoother visual and tactile profile. It is available for NTI GoldTone Finish™ and NTI HardGold Finish™ on selected applications, subject to coating system, substrate, geometry and validation.
Yes, for selected applications. NTI Oleo Repel™ can be added to qualified NTI Gold Finish™ coatings to reduce the visibility and adhesion of fingerprint oils and smudges, improve oil repellency and support easier cleaning on frequently handled surfaces.
NTI Oleo Repel™ is evaluated on the selected gold finish to add oleophobic and anti-fingerprint performance while supporting the intended gold colour, gloss and cosmetic character. Final appearance and performance are confirmed through application validation.
Selected enhancement services can be evaluated individually or in combination where the application requires more than one surface function. Suitability depends on the selected gold finish, substrate, component geometry, coating stack, exposure conditions and validation plan.
The same nominal gold colour can appear different because substrate material, base surface texture, gloss level, component geometry, coating stack and lighting all affect visual perception. NTI therefore uses CIELAB-guided colour validation together with customer-approved samples before production.
NTI Gold Finish™ can support qualified premium applications including eyewear, jewellery, luxury bag hardware, watches, writing instruments, premium homeware, sanitary hardware, grooming and beauty devices, premium audio and other decorative components where gold appearance is part of the product signature.
Yes. NTI supports established gold shade offerings for faster sampling, application development and coating services for tailored requirements, and in-house production pathways using NTI Dream™ Batch Coating System or NTI Titan™ Inline Coating System.
Useful starting information includes the target gold colour or reference sample, CIELAB target if available, substrate material, component geometry, surface finish, expected production volume, use environment, durability requirements and any validation or enhancement needs such as FinishGuard™, MicroSmooth™ or Oleo Repel™.
