Metal Finishing Chemicals

GTZ India's metal finishing division produces a complete range of chemicals for electroplating, surface cleaning, passivation, phosphating and specialty coatings. Originally developed in collaboration with WITCO Corporation USA, in 1983 our formulations are designed for consistent bath performance across rack, barrel and continuous-line processes. The range covers zinc, nickel, chromium, copper, brass, tin, bronze and ABS plating, along with degreasing agents, passivation systems, lacquers, inhibitors and aluminium treatment chemicals — all manufactured at our 24 parganas (South), West Bengal facility.

What We Do

Metal Finishing Chemicals Products

Degreasing Chemicals

Zinc Plating Chemicals

Nickel Plating Chemicals

Chromium Plating Chemicals

Copper Plating Chemicals

Brass Plating Chemicals

Tin Plating Chemicals

Bronze Plating Chemicals

ABS Plating Chemicals

Hexavalent Passivation Chemicals For Zinc & Zinc Alloy

Trivalent Passivation Chemicals For Zinc & Zinc Alloy

Trivalent Passivation Chemicals For Zinc Nickel Alloy Plating

Lacquer And Top Coat

Phosphating Chemicals

Acid Inhibitor

Aluminium Treatment Chemicals

Metal Colouring / Antique Finishing Chemicals

Steel Polishing Chemical For Fastners Items

Electroless Nickel Plating On Steel

Alkaline and acid-based degreasing for ferrous and non-ferrous metals
Bright, semi-bright and satin zinc plating (cyanide, acid, non-cyanide)
Decorative and functional nickel, chromium and copper plating
Hexavalent and trivalent passivation with RoHS-compliant options
Zinc-nickel alloy plating for high-corrosion-resistance applications
Phosphating, lacquering and top-coat systems for post-plating protection

Which Industries We Serve for Metal Finishing Chemicals

Automotive — fasteners, stampings, brake components, engine parts
Electrical and electronics — connectors, switchgear, PCB hardware
Construction and hardware — door fittings, hinges, locks, sanitary ware
Defence and aerospace — corrosion-critical structural components
White goods and appliances — panels, brackets, consumer-facing finishes
General engineering — bearings, shafts, hydraulic cylinders

Get In Touch

Technical Assistance & Product Enquiries

For technical assistance, product information or a commercial offer, contact our team. Share your substrate type, current process and application requirements so that our technical team can better understand your requirements.

+91 33 2242 9900 / +91 33 2242 9901

Monday - Friday: 10:00 - 18:00 Hours IST Saturday: 10:00 - 14:30 Hours IST

[email protected]

9, Brabourne Road, Kolkata 700 001, West Bengal, India

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Have Questions?

Frequently Asked Questions

What metal finishing processes does GTZ India support?

GTZ covers degreasing, zinc plating (cyanide, acid, non-cyanide, zinc-nickel alloy), nickel plating, chromium plating, copper, brass, tin and bronze plating, passivation, phosphating, lacquering, acid inhibiting, aluminium treatment, ABS plating and electroless nickel.

Are GTZ metal finishing chemicals RoHS compliant?

Yes. GTZ offers trivalent passivation systems and Cr-VI free degreasing alternatives that meet RoHS and ELV requirements. Please specify your compliance needs when enquiring and we will recommend the appropriate product.

Can I get a technical support before placing an order?

Absolutely. Submit an enquiry through the form above or email [email protected] with the product name. Our technical team will share the TDS along with recommended operating parameters for your application.

Does GTZ India offer on-site technical support?

Yes. For customers using our metal finishing chemicals in production, we provide on-site technical assistance for bath setup, troubleshooting and process optimisation. Contact us to arrange a visit.

Metal Finishing Chemicals

What We Do