Metal Surface Treatment

metal surface treatment chemicals

Acid Zinc Plating Brightener

Acid zinc plating brightener is formulated for use in chloride or sulfate zinc electrolyte systems, producing highly leveled, mirror-bright zinc deposits with excellent throwing power on complex geometries. The brightener system contains carrier, primary, and secondary brighteners to control grain refinement, leveling, and brightness simultaneously. Acid zinc plating is preferred over alkaline zinc for its higher speed, better brightness on steel and cast iron substrates, and simpler waste treatment.

metal surface treatment chemicals

Alkaline Silicate Metal Degreaser

CAS: 1344-09-8

Alkaline silicate metal degreaser is a heavy-duty cleaner formulated with sodium silicate as the primary builder, supplemented with surfactants and chelating agents to remove oils, greases, shop soils, and drawing compounds from steel, iron, and aluminum substrates. The silicate provides saponification of vegetable and animal oils, surface buffering, and corrosion inhibition for ferrous metals. It is widely used as the first-stage cleaner in phosphating and conversion coating lines.

metal surface treatment chemicals

Alkaline Soak Cleaning Compound

Alkaline soak cleaning compound is a low-foam, highly effective immersion cleaner formulated with a balanced blend of alkaline builders, sequestrants, and non-ionic surfactants for removing drawing oils, stamping lubricants, buffing compounds, and light shop soils from ferrous and non-ferrous metal parts. The low-foam formulation is ideal for agitated immersion tanks and tumbling barrel operations. It provides consistent cleaning performance over a wide range of soil loads and operating temperatures.

metal surface treatment chemicals

Aluminum Anodizing Brightener Additive

Aluminum anodizing brightener additive is incorporated into the sulfuric acid anodizing electrolyte to enhance the brightness and gloss of the anodic oxide layer, improving cosmetic appearance for architectural and consumer electronics applications. The additive controls the dissolution rate and pore formation at the oxide/electrolyte interface to produce a smoother, more reflective anodic layer. It is particularly effective on 1xxx and 6xxx series aluminum alloys for architectural extrusion and automotive trim anodizing.

metal surface treatment chemicals

Aluminum Chemical Brightening Agent

Aluminum chemical brightening agent is a phosphoric-nitric acid blend that polishes and brightens aluminum surfaces through controlled chemical dissolution, producing a smooth, reflective finish prior to anodizing. The chemical polishing (brightening) process removes surface roughness, scratches, and extrusion marks, resulting in a specular aluminum surface with reflectivity exceeding 80%. It is widely used in the production of reflective architectural trim, automotive bright trim, and consumer electronics aluminum housings.

metal surface treatment chemicals

Benzotriazole Metal Deactivator (BTA)

CAS: 95-14-7

Benzotriazole (BTA) is the most widely used metal deactivator and corrosion inhibitor for copper and copper alloy surfaces, forming a highly stable, insoluble polymeric Cu-BTA chelate film that prevents oxidation, tarnishing, and corrosive attack. BTA is effective at very low concentrations (10-100 ppm) and is used in coolants, lubricants, metal working fluids, surface treatment baths, and as a direct surface treatment agent. It also provides corrosion inhibition for silver, zinc, and other metals in multimetal systems.

metal surface treatment chemicals

Black Chromate Passivation Agent

Black chromate passivation agent produces a uniform, decorative black chromate conversion coating on electroplated zinc substrates, combining aesthetic appeal with good corrosion protection. The black film is achieved through the incorporation of silver or cobalt ions into the classic hexavalent chromate formulation. It is widely used for decorative hardware, automotive trim, and consumer electronics components requiring a black metallic appearance.

metal surface treatment chemicals

Cathodic Electrolytic Cleaner

Cathodic electrolytic cleaner uses electrical current to generate hydrogen bubbles at the cathodic metal surface, providing intense mechanical scrubbing action that removes tightly adhered oils, smuts, and passive films that are resistant to chemical cleaning alone. The alkaline electrolyte combined with cathodic hydrogen evolution ensures superior cleaning of complex geometry parts prior to electroplating. Cathodic cleaning is preferred over anodic cleaning for high-strength steels to avoid hydrogen embrittlement risk.

metal surface treatment chemicals

Cerium Nitrate Rare Earth Passivation

CAS: 10108-73-3

Cerium nitrate rare earth passivation agent utilizes cerium(III) ions to form a cerium oxide/hydroxide barrier layer on aluminum alloy, magnesium alloy, and zinc substrates, providing excellent corrosion inhibition through a cathodic blocking mechanism. This rare earth-based treatment is completely free of chromium, heavy metals, and hazardous substances, making it ideal for aerospace and defense applications transitioning from chromate. The cerium passivation layer also exhibits self-healing properties due to the release of Ce3+ ions at active corrosion sites.

metal surface treatment chemicals

Chromic Acid Passivation Agent

CAS: 7738-94-5

Chromic acid passivation agent based on hexavalent chromium produces a highly protective, self-healing chromate conversion coating on zinc, aluminum, cadmium, and magnesium substrates. The chromate film provides outstanding corrosion resistance, excellent adhesion for subsequent coatings, and a characteristic yellow iridescent appearance. Due to regulatory restrictions (RoHS, REACH), its use is increasingly limited to aerospace and defense applications requiring maximum corrosion performance.

metal surface treatment chemicals

Citric Acid Stainless Steel Passivation

CAS: 77-92-9

Citric acid passivation agent provides a safe, environmentally friendly alternative to nitric acid for passivating stainless steel components, removing free iron contamination and establishing a dense chromium oxide passive layer. The citric acid chelates iron ions from the surface without attacking the base alloy, resulting in a pristine, corrosion-resistant passive film compliant with ASTM A967 and AMS 2700 standards. It is preferred in food processing, pharmaceutical, and semiconductor industries where nitric acid fumes and waste streams are undesirable.

metal surface treatment chemicals

Cold Room Temperature Steel Blackening Agent

Cold room temperature steel blackening agent produces a black conversion coating on steel at ambient temperature (15-35°C) without the high-temperature caustic bath required for hot black oxide, using a selenium dioxide or copper selenide-based chemistry. The cold black finish is ideal for field application, large structures, and temperature-sensitive assemblies where hot processing is impractical. The resulting coating provides a decorative black appearance and, when sealed with oil or lacquer, offers acceptable corrosion protection for indoor applications.

metal surface treatment chemicals

Copper Sulfate Acid Copper Plating Additive

CAS: 7758-98-7

Copper sulfate acid copper plating additive is used in high-speed acid copper sulfate baths to produce bright, highly leveled copper deposits with exceptional throwing power for PCB via-filling and decorative copper plating applications. The additive system contains brightener, carrier, and leveler components that work synergistically to produce mirror-bright copper with uniform thickness distribution across complex geometries. Acid copper plating is the standard for PCB through-hole and via metallization, decorative undercoating, and engineering copper deposits.

metal surface treatment chemicals

Eco Cadmium-Free Zinc Alloy Plating

Eco cadmium-free zinc alloy plating system provides high-performance corrosion protection equivalent to cadmium plating without the environmental and health hazards associated with cadmium. Based on zinc-iron, zinc-cobalt, or zinc-tin alloy chemistry, these systems deliver excellent corrosion resistance, lubricity, and paint adhesion for aerospace, defense, and military fastener applications requiring cadmium replacement. The coatings meet MIL-PRF-27675 and MIL-DTL-45204 cadmium replacement specifications.

metal surface treatment chemicals

Electroless Copper PCB Formaldehyde Reducer

CAS: 50-00-0

Formaldehyde-based electroless copper reducer is the classical reducing agent for electroless copper deposition on printed circuit boards, providing reliable, adherent copper metallization of through-holes and blind vias in PCB fabrication. Formaldehyde reduces cupric ions to metallic copper on catalyzed (palladium-activated) surfaces through an autocatalytic reaction at alkaline pH. The process delivers conformal, void-free copper deposits essential for reliable PCB electrical interconnection before electrolytic copper thickening.

metal surface treatment chemicals

Electroless Nickel Bath Stabilizer

Electroless nickel bath stabilizer is a critical additive that prevents spontaneous decomposition of the hypophosphite-based electroless nickel bath by suppressing nickel particle nucleation in solution, extending bath life and reducing costly bath dumps. The stabilizer acts through selective adsorption on active sites in solution, controlling the autocatalytic deposition process without significantly affecting deposition rate or deposit properties. Proper stabilizer control is essential for achieving phosphorus content uniformity, deposit brightness, and consistent hardness in electroless nickel coatings.

metal surface treatment chemicals

Hard Anodizing Glycolic Acid Additive

Hard anodizing glycolic acid additive is incorporated into low-temperature sulfuric acid hard anodizing electrolytes to improve coating uniformity, reduce burning tendency, and achieve consistent hard anodize thickness of 25-100 μm on complex geometry aluminum parts. The organic acid additive chelates aluminum ions, reduces oxide re-dissolution, and improves current distribution at high current density operation typical of hard anodizing. It is essential for high-quality hard anodize on 2xxx and 7xxx series aluminum alloys used in aerospace and defense components.

metal surface treatment chemicals

Hard Chrome Plating Additive

Hard chrome plating additive is formulated to optimize the chromic acid bath for deposition of dense, low-porosity, crack-free hard chrome coatings with maximum hardness and wear resistance. The additive controls nucleation, crystal growth, and internal stress in the chrome deposit to minimize micro-cracking and achieve coating hardness of 800-1100 HV. It is used in industrial hard chrome applications for hydraulic cylinders, piston rods, molds, printing rolls, and precision engineering components.

metal surface treatment chemicals

Hexamine Acid Pickling Inhibitor

CAS: 100-97-0

Hexamine (hexamethylenetetramine) acid pickling inhibitor is widely used in hydrochloric and sulfuric acid pickling baths to protect the base metal from over-etching while allowing efficient removal of rust, mill scale, and oxides. Hexamine adsorbs onto the iron surface from the acid solution, forming a protective barrier that significantly slows acid dissolution of the base metal without impeding scale removal. It is the most economical and widely used pickling inhibitor for steel wire, strip, and structural steel acid pickling.

metal surface treatment chemicals

Hot Oxide Steel Blackening Agent

Hot oxide steel blackening agent is a highly alkaline mixture of sodium hydroxide and sodium nitrite/nitrate used at 130-145°C to form a controlled black magnetite (Fe3O4) oxide layer on steel surfaces, providing a decorative black finish with mild corrosion protection. The black oxide coating is the standard surface finish for tools, firearms, industrial machine parts, and decorative metalwork requiring a matte black appearance. The thin oxide layer maintains part dimensions and is often sealed with oil for enhanced corrosion resistance.

metal surface treatment chemicals

Hydrochloric Acid Rust Removal Cleaner

CAS: 7647-01-0

Hydrochloric acid rust removal cleaner is highly effective for rapid dissolution of rust, iron oxide scale, and calcium carbonate deposits from steel, cast iron, and galvanized surfaces. Formulated with corrosion inhibitors to protect base metal while aggressively removing scale, industrial HCl cleaning solutions are used in pickling operations, boiler maintenance, heat exchanger cleaning, and construction material preparation. Proper inhibitor addition prevents over-etching and hydrogen embrittlement of high-strength steel.

metal surface treatment chemicals

Iron Phosphate Coating Solution

CAS: 10045-86-0

Iron phosphate coating solution provides a lightweight amorphous iron phosphate conversion layer on steel, aluminum, and galvanized substrates in a single-stage or multi-stage process. It simultaneously cleans and coats metal surfaces, making it ideal for high-volume, cost-sensitive production lines. The thin amorphous layer significantly improves paint adhesion and provides moderate corrosion protection.

metal surface treatment chemicals

Lanolin-Based Penetrating Rust Inhibitor

Lanolin-based penetrating rust inhibitor is a waxy, water-displacing compound that penetrates into rust, crevices, and overlapping joints to provide long-term corrosion protection on steel and iron surfaces. The lanolin forms a tenacious, self-healing film that is highly resistant to salt spray, humidity, and mild chemicals. It is widely used as a temporary or long-term rust preventive for stored parts, agricultural equipment, marine hardware, and structural steel exposed to harsh environments.

metal surface treatment chemicals

Magnesium Alloy Conversion Coating

Magnesium alloy conversion coating agent produces a protective conversion layer on magnesium and magnesium alloy substrates, addressing the inherently poor corrosion resistance of magnesium through chemical surface modification. The chromate-free formulation based on permanganate, phosphate, or rare earth chemistry provides a corrosion-resistant base layer that improves paint adhesion and reduces galvanic corrosion when magnesium is coupled with dissimilar metals. It is essential for automotive, aerospace, and electronics magnesium die casting applications.

metal surface treatment chemicals

Manganese Phosphate Coating Chemical

CAS: 10124-54-6

Manganese phosphate coating chemical, commonly known as Parkerizing, produces a dark grey to black crystalline manganese phosphate layer on steel and cast iron parts. This heavy coating provides excellent wear resistance, lubricity, and break-in characteristics, making it the preferred pre-treatment for firearm components, gears, and engine parts. The treatment is applied at elevated temperatures followed by oil impregnation for enhanced corrosion protection.

metal surface treatment chemicals

Mercaptobenzimidazole Corrosion Inhibitor (MBI)

CAS: 583-39-1

Mercaptobenzimidazole (MBI) is a sulfur-containing heterocyclic corrosion inhibitor that provides broad-spectrum metal protection for copper, zinc, steel, and aluminum through strong chemisorption and chelate film formation on metal surfaces. MBI is particularly effective as a corrosion inhibitor in acidic and neutral media, and as a rubber-to-metal bonding intermediate in tire and hose manufacturing. It is also used as an accelerator retarder in rubber compounding, demonstrating the compound's versatility in industrial applications.

metal surface treatment chemicals

Molybdate Passivation Agent

CAS: 7631-95-0

Molybdate passivation agent based on sodium molybdate produces a thin, greenish-yellow conversion coating on zinc and zinc alloy electroplated substrates, offering a hexavalent chromium-free alternative with good corrosion protection. Molybdate ions form an insoluble molybdate film on the metal surface that provides anodic inhibition and seals micro-porosity in zinc deposits. The product is valued for its low toxicity, good environmental profile, and compatibility with subsequent lacquer or wax sealants.

metal surface treatment chemicals

Nickel Acetate Anodize Sealing Agent

CAS: 373-02-4

Nickel acetate anodize sealing agent is the industry-standard hot sealing solution for anodized aluminum, converting the amorphous aluminum oxide of the anodic layer into stable boehmite while incorporating nickel for enhanced corrosion resistance and dye fastness. Applied at near-boiling temperatures, the nickel acetate seal fills and closes pores in the anodic film, providing a hard, smooth, smut-free surface. It is widely used in architectural, automotive trim, and consumer electronics aluminum anodizing.

metal surface treatment chemicals

Nickel Plating Brightener

Nickel plating brightener is a dual-component system (primary brightener + secondary brightener/carrier) that produces mirror-bright, leveled nickel deposits with fine grain structure and excellent ductility from a Watts or sulfamate nickel bath. The brightener system controls sulfur co-deposition for brightness, controls grain size for leveling, and maintains deposit ductility to prevent cracking under service stress. It is essential for decorative nickel, bright nickel under chrome, and functional nickel plating applications.

metal surface treatment chemicals

Oxalic Acid Rust Remover

CAS: 144-62-7

Oxalic acid rust remover is a mild organic acid that selectively dissolves iron oxides and rust without aggressively attacking the base metal, making it ideal for gentle rust removal from delicate or precision metal parts. Oxalic acid forms soluble iron oxalate complexes that are easily rinsed away, leaving a clean metal surface. It is widely used in wood bleaching, textile rust stain removal, stone cleaning, and metal surface preparation for fine restoration work.

metal surface treatment chemicals

Phosphoric Acid Metal Cleaner

CAS: 7664-38-2

Phosphoric acid metal cleaner removes rust, mill scale, and oxides from steel, iron, and copper substrates while simultaneously forming a thin iron phosphate conversion coating that passivates the cleaned surface. Unlike hydrochloric acid cleaners, the phosphoric acid treatment leaves a protective phosphate layer that inhibits flash rusting during subsequent processing. It is widely used as a combined rust removal and pre-treatment agent in metal fabrication, maintenance, and coating preparation.

metal surface treatment chemicals

Silane-Based Chromate-Free Passivation

Silane-based chromate-free passivation agent forms a highly cross-linked organosilane network on metal surfaces, providing excellent corrosion resistance and paint adhesion without any chromium compounds. The silane coupling chemistry creates strong covalent bonds with metal oxides and organic topcoats simultaneously, making it effective on steel, aluminum, zinc, and galvanized substrates. This technology meets all modern environmental regulations and delivers performance comparable to chromate treatments for most industrial applications.

metal surface treatment chemicals

Silver Bath Plating Brightener

Silver bath plating brightener is formulated for use in cyanide or non-cyanide silver plating systems to produce bright, fine-grained silver deposits with excellent electrical conductivity and low contact resistance. The brightener system refines grain structure, improves leveling, and prevents tarnishing tendency in the as-plated condition. Silver plating is widely used in electronics, RF components, cutlery, jewelry, and reflective optical applications requiring maximum conductivity and reflectivity.

metal surface treatment chemicals

Soft Gold Plating Brightener

Soft gold plating brightener is designed for use in acid gold cyanide baths to produce bright, ductile, low-stress gold deposits with purity of 99.9%+ and excellent wire bonding capability. The brightener controls grain size and surface morphology of the gold deposit to achieve optimal contact resistance and wire bondability for semiconductor and connector applications. Soft gold plating is the standard finish for edge connectors, bond pads, and precision electronic contacts.

metal surface treatment chemicals

Stainless Steel Electropolishing Electrolyte

Stainless steel electropolishing electrolyte is a phosphoric-sulfuric acid blend used to electrochemically dissolve microscopic surface asperities on stainless steel, producing a smooth, bright, and passive surface with superior corrosion resistance. Electropolishing removes the amorphous layer and elemental iron from the surface, enriching the surface in chromium oxide to achieve maximum passivity. It is the preferred finishing method for pharmaceutical, semiconductor, food processing, and medical device stainless steel components.

metal surface treatment chemicals

Stannous Sulfate Tin Plating Brightener

CAS: 7772-99-8

Stannous sulfate tin plating brightener is formulated for acid tin sulfate baths to produce bright, smooth, fine-grained tin deposits with excellent solderability and low contact resistance for electronic and food packaging applications. The brightener system stabilizes the stannous ion against oxidation to stannic ion and controls grain structure to produce matte or bright tin as required. Bright tin plating is widely used for electronic component terminations, food can linings, and decorative tin applications.

metal surface treatment chemicals

Sulfamic Acid Descaling Cleaner

CAS: 5329-14-6

Sulfamic acid descaling cleaner is a safe, non-volatile solid acid that effectively dissolves calcium carbonate, lime scale, rust, and metal oxides from stainless steel, copper, brass, and carbon steel surfaces. Unlike hydrochloric or sulfuric acid, sulfamic acid has low volatility and produces no fumes at ambient temperature, making it much safer for maintenance and field use. It is widely used for boiler descaling, heat exchanger cleaning, cooling tower maintenance, and food-grade equipment cleaning.

metal surface treatment chemicals

Tannic Acid Rust Converter

CAS: 1401-55-4

Tannic acid rust converter chemically reacts with iron oxides and rust to form a stable, insoluble iron tannate complex that provides a tight, adherent layer suitable as a base for coating applications. Unlike mechanical rust removal, the rust converter treats the remaining rust in place, converting it into a black protective layer that bonds with the metal substrate. It is widely used for maintenance painting of rusty steel structures, pipelines, and bridges where complete rust removal is impractical.

metal surface treatment chemicals

Temporary Rust Inhibitor for Shot Blasted Steel

Temporary rust inhibitor for shot blasted steel provides fast-acting, water-soluble corrosion protection on freshly blasted steel surfaces during the critical processing interval before primer application. Applied by spray or dip immediately after blasting, the inhibitor forms a thin water-soluble film that prevents flash rusting for up to 72 hours under normal humidity conditions. The inhibitor is completely washable with water or compatible with overcoating directly with most anti-corrosion primers without removal.

metal surface treatment chemicals

Titanium-Zirconium Conversion Coating

Titanium-zirconium conversion coating agent combines titanium and zirconium fluoride chemistry to produce a mixed Ti/Zr oxide conversion layer on multi-metal substrates including steel, aluminum, and zinc in a single-bath process. The synergistic Ti/Zr combination provides enhanced corrosion resistance and paint adhesion compared to single-metal zirconium treatments, and is particularly effective on challenging aluminum alloy series. It is the preferred technology for high-throughput, energy-efficient metal pre-treatment in appliance and automotive supply chains.

metal surface treatment chemicals

Tolyltriazole Silver and Copper Protector (TTA)

CAS: 29385-43-1

Tolyltriazole (TTA) is a methylated derivative of benzotriazole that provides superior silver and copper tarnish inhibition with improved thermal stability and lower volatility compared to BTA. TTA forms a stable chelate film on silver and copper surfaces, making it the preferred metal deactivator in engine lubricants, industrial coolants, and hydraulic fluids operating at elevated temperatures. Its higher boiling point makes it particularly suitable for high-temperature metalworking and lubrication applications where BTA may volatilize.

metal surface treatment chemicals

Tri-Cation Phosphating Agent

Tri-cation phosphating agent contains a balanced combination of zinc, manganese, and nickel ions to produce a fine-grained, dense phosphate conversion coating on steel and iron substrates. The nickel and manganese co-deposition refines crystal size and increases coating density, resulting in superior corrosion resistance and paint adhesion compared to conventional zinc phosphate. It is the industry standard for automotive OEM and Tier-1 supplier pre-treatment lines.

metal surface treatment chemicals

Trivalent Chromium Passivation Agent

Trivalent chromium passivation agent is an environmentally friendly alternative to hexavalent chromate treatments, producing a clear to blue iridescent conversion coating on electroplated zinc, zinc-nickel, and aluminum substrates. Compliant with RoHS and REACH regulations, the Cr3+ coating offers corrosion resistance comparable to yellow Cr6+ treatments while eliminating hazardous hexavalent chromium waste. It is the preferred solution for automotive, electronics, and consumer goods industries transitioning away from Cr6+.

metal surface treatment chemicals

Ultrasonic Cleaning Concentrate

Ultrasonic cleaning concentrate is a specially formulated low-foam alkaline cleaner optimized for use in ultrasonic cleaning equipment, combining excellent degreasing power with anti-cavitation protection of sensitive substrates. The formulation is free of silicates that can inhibit ultrasonic cavitation, and contains chelating agents to prevent mineral scale build-up in the ultrasonic tank. It is suitable for precision cleaning of optical, electronic, medical device, and jewelry components.

metal surface treatment chemicals

Water-Displacing Corrosion Preventive

Water-displacing corrosion preventive is a thin-film compound that rapidly spreads over metal surfaces and displaces water and moisture from crevices, threads, and complex geometries to provide immediate and lasting corrosion protection. The product deposits a thin, transparent protective film that remains flexible and non-tacky, allowing treated parts to be handled and assembled without film removal. It is the industrial equivalent of WD-40 technology for professional metal protection applications.

metal surface treatment chemicals

Yellow Chromate Passivation Agent

Yellow chromate passivation agent produces the characteristic thick yellow iridescent chromate film on electroplated zinc substrates, offering maximum corrosion protection among chromate conversion coatings. The thick chromate layer contains a significant reservoir of hexavalent chromium for self-healing capability, providing salt spray resistance exceeding 200 hours on zinc. It remains widely used in industrial hardware, fasteners, and agricultural equipment despite RoHS exemptions.

metal surface treatment chemicals

Zinc Calcium Phosphate Heavy-Duty Coating

Zinc calcium phosphate heavy-duty coating agent produces a thick, coarse-grained phosphate crystal layer on steel substrates, providing superior adhesion for heavy primer and anti-corrosion coating systems. The calcium incorporation refines crystal morphology and reduces total coating weight while maintaining high paint adhesion values. It is widely used in heavy vehicle, rail, and marine structure pre-treatment applications.

metal surface treatment chemicals

Zinc Phosphate Coating Agent

CAS: 7779-90-0

Zinc phosphate coating agent forms a crystalline zinc phosphate conversion layer on steel and iron substrates, enhancing adhesion for subsequent paint or powder coating systems. It provides excellent corrosion resistance and is widely used in automotive, appliance, and general metal finishing industries. The treatment produces a uniform, fine-grained phosphate crystal structure compatible with all major topcoat technologies.

metal surface treatment chemicals

Zinc-Nickel Alloy Plating Additive

Zinc-nickel alloy plating additive is designed for alkaline or acid zinc-nickel bath systems to co-deposit zinc and nickel in the optimal 12-15% nickel composition range, which provides corrosion resistance 5-10 times greater than pure zinc plating of the same thickness. The controlled alloy composition is critical for achieving maximum cathodic protection and corrosion resistance that meets automotive OEM specifications. Zinc-nickel is the preferred coating for automotive brake components, fasteners, and structural parts requiring superior corrosion performance.

metal surface treatment chemicals

Zirconium Passivation Agent

CAS: 7699-43-6

Zirconium passivation agent based on zirconyl nitrate or hexafluorozirconic acid forms a thin, dense zirconium oxide conversion layer on aluminum, steel, and zinc substrates. This chromate-free technology provides excellent corrosion resistance, outstanding paint adhesion, and minimal environmental impact with near-zero sludge generation. The zirconium conversion coating has become the standard pre-treatment for aluminum coil coating and automotive multi-metal pre-treatment systems.