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.