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Metal Surface Treatment & Powder Coating Solutions

Conversion Coating — The Foundation of Superior Surface Protection

High-performance metal pretreatment chemicals designed to deliver consistent coating quality, superior corrosion protection, reliable process performance, and long-lasting surface protection.

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1976Established
ISOCertified Organization
RoHSCompliant
Pan IndiaStrong Presence Across India
Metrit metal pretreatment plant
About Us

Technical Expertise. Reliable Service. Long-Term Partnerships.

At Metrite, we believe that great products are only part of the solution. What truly sets us apart is our commitment to delivering technical expertise, reliable service, and long-term customer partnerships.

Established in 1976 by Kirit Vora (B. Tech. ICT), Metrite has grown into a trusted provider of comprehensive metal surface treatment and powder coating solutions. With decades of industry experience, we offer innovative products and services designed to improve manufacturing efficiency, product quality, and environmental compliance.

Headquartered in Mumbai, with our manufacturing unit located there, we also operate regional offices in Bangalore and Coimbatore, supported by distributors across India and an exclusive distributor in Sri Lanka. This extensive network enables us to serve customers efficiently across diverse industries.

Conversion Coating

The Foundation of Superior Surface Protection

Conversion coating is a chemical surface treatment process that transforms the outermost layer of a metal into a protective coating through a controlled chemical reaction. Unlike paints or plated coatings that add material to the surface, conversion coatings become an integral part of the metal itself, providing enhanced corrosion resistance, improved paint adhesion, and a durable base for further finishing processes.

How Does the Conversion Coating Process Work?

1. Cleaning & DegreasingRemoves oil, grease, dirt, and other contaminants from the metal surface.
2. Water RinsingEliminates residual cleaning chemicals.
3. DerustingRemoves rust, oxide scales, and other inorganic contaminants to expose a clean, reactive metal surface.
4. Water RinsingRemoves residual derusting chemicals and dissolved contaminants.
5. Surface ConditioningRefines the surface and promotes uniform conversion coating formation.
6. Phosphating & Nano Conversion CoatingForms a protective conversion layer through a controlled chemical reaction with the metal surface.
7. Final RinsingRemoves excess chemicals from the surface.
8. SealingEnhances corrosion resistance and improves coating durability.
9. DryingPrepares the component for painting, powder coating, or assembly.
Why It Matters

Why is Conversion Coating Important?

Conversion coating is a critical step in metal finishing because it:

Enhances corrosion resistance
Improves paint and powder coating adhesion
Increases coating durability and service life
Provides a uniform and consistent surface finish
Reduces the risk of coating failures such as peeling and blistering
Improves overall product quality and reliability
Supports environmentally compliant surface treatment processes when modern technologies are used
Our Products

High-Performance Pretreatment Chemicals

Our product portfolio includes the following metal surface treatment chemical categories.

Metrit 3 in 1 Chemicals product container

3 in 1 Chemicals

Single-step solutions for cleaning, derusting and light phosphate coating.

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Metrit Degreasing Chemicals product container

Degreasing Chemicals

Solutions for removing oil, grease and shop contaminants.

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Metrit Derusting Chemicals product container

Derusting Chemicals

Solutions for removing rust, scale and oxides for effective surface preparation.

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Metrit Activation Chemicals product container

Activation Chemicals

Surface conditioners that support uniform phosphate coating formation.

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Metrit Phosphating Chemicals product container

Phosphating Chemicals

High-performance phosphate coatings for corrosion protection and paint adhesion.

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Metrit Passivation Chemicals product container

Passivation Chemicals

Post-treatment chemistry for sealing and enhanced corrosion resistance.

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Metrit Aluminium Precleaners product container

Aluminium Precleaners

Cleaning solutions for aluminium sheet metal and diecast surfaces.

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Metrit Chromatising Chemicals product container

Chromatising Chemicals

Chemistry for durable chromate layers and corrosion resistance.

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Metrit GI Cleaners product container

GI Cleaners

Cleaning and mild etching solutions for galvanized steel.

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Metrit Paint Strippers product container

Paint Strippers

Solvent-based chemistry for rapid paint and coating removal.

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Industries We Serve

Built for Diverse Manufacturing Environments

Conversion coating technologies are widely used across various industries, including:

Automotive & Auto Components
Electrical & Electronics
Industrial Machinery
Home Appliances
Architectural & Building Hardware
HVAC Equipment
Fasteners & Fabricated Components
Aerospace & Defence
Renewable Energy (Solar & Wind)
General Engineering & Manufacturing
Industrial metal pretreatment lineMetrit chemical productPretreatment plant equipment
Our Expertise

Reliable Process Performance

At Metrit Chemicals Pvt. Ltd., we develop high-performance metal pretreatment chemicals designed to deliver consistent coating quality, superior corrosion protection, and reliable process performance. Our solutions are tailored to meet the evolving requirements of modern manufacturing while helping customers improve productivity, reduce operational costs, and achieve long-lasting surface protection.

Upcoming Products

Innovative Surface Treatment Solutions

Innovative surface treatment solutions designed to meet the evolving needs of modern industries.

Cost-Effective & High-Performance 3-in-1 Chemicals

Nano Coating Series

Non-Chrome Chromatising Chemicals

Eco-Friendly Trication Phosphating (Low Sludge)

Low-Foaming Degreasers

Contact Us

Talk to Our Team

For product enquiries, technical support or project requirements, contact the Metrit Chemicals team.

Mumbai
Unit No. 19, Keytuo Ind. Estate, Kondvita Road, Andheri, Mumbai
+91 98339 41241
metrite@rediffmail.com
Bangalore
No. 82, 1st Floor, 3rd Cross, KEB Road, Sanjay Nagar, Bangalore
+91 99000 31599 / +91 76764 24643
metritechemicals@gmail.com
Coimbatore
No. 39, Noyyal Street, Surya Nagar, Kamathipuram, Irugur, Coimbatore
+91 98430 93896
sales.an@akarshpaint.co.in

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