- Right Chemical Solutions
Precision Cleaning Chemicals for General Engineering & Metal Components Manufacturing
Every Metal. Every Process. Every Application.
- INDUSTRY OVERVIEW
General Engineering and Metal Fabrication — The Backbone of Indian Manufacturing
India’s general engineering and metal components sector is vast, diverse and fundamental to the country’s industrial economy. Spanning thousands of small, medium and large manufacturers across every industrial cluster in the country — this sector produces the components, sub-assemblies, fasteners, forgings, castings, machined parts and fabricated structures that feed into virtually every downstream manufacturing industry.
From precision machined components for industrial machinery and equipment to fabricated structural steel, pump and valve components, agricultural equipment parts, electrical fittings, hardware and general metal products — the general engineering sector encompasses an enormous range of manufacturing processes, metal types and cleanliness requirements.
What unites this diverse sector is a common set of cleaning challenges — removing machining oils and coolants, preventing inter-process rust formation, preparing surfaces for painting and coating, maintaining cutting tool performance, and keeping manufacturing facilities clean and safe.
REFA Chemical Industry supplies a comprehensive range of precision cleaning, surface treatment and process chemicals to general engineering and metal component manufacturers across India — providing the right chemical solution for every metal, every process and every application.
Whether you manufacture pumps, valves, fasteners, forgings, castings, machined components, structural fabrications, agricultural equipment, electrical fittings or general metal products — REFA has the cleaning and process chemical solution your operation needs.
Every Metal Type Covered
Complete Process Chemical Range
Cutting Fluids and Machining Support
Surface Preparation for Painting and Coating
Rust Prevention and Corrosion Protection
Custom Formulations Available




General Engineering Sectors We Serve
Pump and Valve Manufacturers
Industrial pumps, valves, fittings, flow control equipment Metals: Cast iron, mild steel, stainless steel, brass, bronze Key requirement: Precision cleaning before assembly, surface preparation for painting, inter-process rust prevention
Fastener Manufacturers
Bolts, nuts, screws, washers, rivets, anchors Metals: Mild steel, stainless steel, brass, alloy steel Key requirement: Pre-plating and pre-coating surface preparation, passivation, rust prevention in storage
Forging and Casting Manufacturers
Hot and cold forgings, sand castings, die castings, investment castings Metals: Mild steel, alloy steel, aluminum, brass, iron Key requirement: Scale and oxide removal after forging, casting cleaning, surface preparation
Agricultural Equipment Manufacturers
Tractors, implements, irrigation equipment, harvesting machinery Metals: Mild steel, cast iron, aluminum Key requirement: Pre-painting surface preparation, rust prevention, cutting fluid support
Electrical and Hardware Fittings
Electrical conduit fittings, switches, sockets, door hardware, handles Metals: Mild steel, aluminum, brass, zinc die cast Key requirement: Surface cleaning and preparation before plating, powder coating or painting
Structural Fabrication
Steel structures, frames, enclosures, tanks, pressure vessels Metals: Mild steel, stainless steel, aluminum Key requirement: Weld cleaning, rust removal, surface preparation before painting or coating
Precision Machined Components
CNC machined components for industrial machinery, defence, aerospace ancillaries Metals: Aluminum, mild steel, stainless steel, brass, alloy steel Key requirement: Precision cleaning after machining, Millipore cleanliness standards, inter-process rust prevention
Wire and Cable Manufacturers
Copper and aluminum wire drawing, cable manufacturing Metals: Copper, aluminum Key requirement: Drawing fluid support, surface cleaning after drawing, annealing residue removal
Every Metal Used in General Engineering Manufacturing
Mild Steel and Low Alloy Steel
The most widely used metal in general engineering — forgings, castings, machined components, fabrications Cleaning challenge: Machining oils, coolant residues, rust, scale, pre-phosphating and pre-painting preparation
Cast Iron
Engine components, pump housings, machine tool bodies, manhole covers Cleaning challenge: Heavy oil and coolant contamination, casting sand and scale, pre-painting surface preparation
Aluminum and Aluminum Alloys
Precision machined components, die castings, structural components, heat exchangers Cleaning challenge: Machining oils, forming lubricants, zinc stearate, pre-anodizing and pre-coating preparation
Stainless Steel
Pumps, valves, food processing equipment, chemical processing components Cleaning challenge: Machining residues, welding stains, oil contamination, passivation requirement
Brass and Bronze
Valves, fittings, bearings, bushings, electrical components Cleaning challenge: Machining oil, oxidation, surface tarnish, pre-plating preparation
Copper Wire and cable
Copper Wire and cable, electrical components, heat exchangers, plumbing fittings Cleaning challenge: Drawing oil, oxidation, surface contamination, pre-soldering preparation
Zinc Die Cast
Door hardware, electrical fittings, automotive components, decorative items Cleaning challenge: Release agents, die casting oils, surface preparation before plating or painting
Alloy Steel
High strength fasteners, gears, shafts, tooling, structural components Cleaning challenge: Machining oil, heat treatment scale, pre-coating preparation
Cleaning Challenges We Solve Every Day
Machining Oil and Coolant Residue
Cutting oils, coolants and machining fluids remain on component surfaces after machining operations — preventing adequate paint adhesion, causing plating failures and creating quality issues in subsequent processes. REFA Solution: REFA precision degreasers for mild steel, cast iron, aluminum, stainless steel and brass remove all machining oil and coolant residues completely — leaving surfaces clean and ready for the next production process.
Inter-Process Rust Formation
Mild steel and cast iron components develop rust during storage between machining and surface treatment — causing rework, material rejection and production delays. REFA Solution: REFA rust preventive additives and temporary corrosion protection chemicals provide inter-process rust protection — keeping components rust-free during storage and transit between production stages.
Forging and Casting Scale Removal
Hot forgings and castings carry thick oxide scale that must be removed before machining or surface treatment — standard cleaning chemicals are ineffective against this type of contamination. REFA Solution: REFA rust cleaner and descaling chemicals effectively remove forging scale, casting sand and oxide deposits — preparing surfaces for subsequent machining or surface treatment processes.
Pre-Painting and Pre-Coating Surface Preparation
Paint adhesion failures and coating defects traced back to inadequate surface preparation — contaminated or oxidized surfaces that prevent proper bonding of paint or coating. REFA Solution: REFA complete surface preparation range — degreasing, rust cleaning, phosphating and passivation — ensures perfectly prepared surfaces for maximum paint adhesion, powder coating and plating quality.
Pre-Plating Surface Preparation
Plating — zinc, nickel, chrome or other metal plating — requires absolutely clean, contamination-free base metal surfaces for proper adhesion and uniform plating deposit. REFA Solution: REFA precision degreasers and surface preparation chemicals deliver the ultra-clean, activated metal surfaces required for successful plating operations — eliminating adhesion failures and plating defects.
Cutting Tool Performance and Coolant Management
Poor cutting fluid performance causes premature tool wear, surface finish problems, dimensional inaccuracy and operator health issues from contaminated coolant. REFA Solution: REFA cutting fluid range — water-based and oil-based — provides optimal lubrication and cooling for all standard machining operations — extending tool life, improving surface finish and maintaining a healthy coolant system.
CLEANING APPLICATIONS
Cleaning Applications We Support
Ultrasonic Component Washing Machines
For precision cleaning of machined components requiring low Millipore values or high cleanliness standards. REFA ultrasonic cleaning chemicals deliver deep, thorough cleaning of complex geometry components — reaching blind holes, threads and internal passages.
Spray Jet Washing Machines
For medium and large components. REFA non-foaming and low-foam degreasers are specifically designed for spray jet applications — powerful cleaning without machine overflow.
Immersion / Dipping Tanks
The most common cleaning method in general engineering. REFA chemicals for immersion cleaning maintain stable bath chemistry and deliver consistent cleaning results across large production batches.
Vibratory Finishing Machines
For simultaneous deburring, degreasing and surface finishing of small to medium components. REFA Vibro range covers all metal substrates used in general engineering — aluminum, mild steel, stainless steel, brass, copper.
Manual / Hand Cleaning
For maintenance cleaning, large fabrications, structural components and spot treatment. REFA manual cleaning formulations are effective and safe for hand application.
Pressure Jet Cleaning
For heavy contamination removal from large castings, forgings and fabrications. REFA non-foaming degreasers deliver powerful cleaning under high-pressure washing conditions.
How We Work With General Engineering Manufacturers
Trusted by General Engineering & Metal Component Manufacturers Across India — Pumps · Valves · Fasteners · Forgings · Castings · Fabrications · Precision Machined Components
Trusted by General Engineering & Metal Component Manufacturers Across India — Pumps · Valves · Fasteners · Forgings · Castings · Fabrications · Precision Machined Components
- Why Choose Us
Why General Engineering Manufacturers Trust REFA
Every Metal Covered
Mild steel, cast iron, aluminum, stainless steel, brass, copper, zinc die cast — REFA has dedicated cleaning chemistry for every metal used in general engineering manufacturing.
Water-Based & Eco-Friendly
Our entire range is water-based, biodegradable and RoHS compliant — replacing hazardous solvent-based chemicals without compromising performance
Complete Process Chemical Coverage
From machining support with cutting fluids to post-machining cleaning, surface preparation, rust prevention and facility maintenance — REFA covers every chemical requirement in your production process.
Non-standard alloy? Unusual contamination? Specific cleanliness specification? Our R&D team develops custom formulations to match your exact process requirements.
In-House R&D for Custom Requirements
ISO 9001:2015 and ISO 14001:2018 certified manufacturing — consistent product quality, reliable supply and full batch traceability.
Certified Quality
Pan India Supply
Direct supply and distributor network across North India, Rajasthan, Punjab, Gujarat, Tamil Nadu, Karnataka, Maharashtra and other states — reliable supply wherever your facility is located.
- Case Study
Real Results for General Engineering Manufacturers
- General Engineering Manufacturers
Pump and Valve Manufacturer
Challenge: Paint adhesion failures on mild steel pump housings — peeling and blistering within weeks of painting. Investigation traced to inadequate pre-painting surface preparation — oil and rust contamination remaining on surfaces before painting.
REFA Solution: Complete REFA pre-painting preparation program introduced — REFA-MS-1012-EP degreaser followed by REFA-MS-0102-RC rust cleaner, followed by iron phosphating and final water rinse. REFA technical team supported process setup and parameter optimization.
Result: Paint adhesion failures eliminated completely. Zero peeling or blistering in subsequent production. Customer audit of painted components passed with no quality observations. Paint rejection rate reduced from approximately 12% to zero.

- Precision Machined Components Manufacturer
Precision Machined Components Manufacturer
Challenge: Mild steel components developing rust during storage between machining and dispatch — customer complaints about rusty components on arrival. Significant rework and replacement cost being incurred
REFA Solution: REFA-RPO rust preventive oil applied as final stage after cleaning — providing rust protection for storage and transit. REFA-MS-0708-RA rust additive also introduced into cleaning bath for in-process protection.
Result: Zero rust complaints from customers in subsequent 6 months. Rework and replacement costs eliminated. Customer satisfaction improved significantly.

- FAQ
Frequently asked questions
Common questions from general engineering and metal component manufacturers
Can you recommend the right cutting fluid for our CNC machining operations?
Yes. Tell us your metal type, machining operation and machine type — our technical team will recommend the right REFA cutting fluid with concentration and maintenance guidance.
We are having paint adhesion problems — can you help identify the cause?
Yes. Paint adhesion failures are almost always a surface preparation issue. Our technical team can assess your current pre-painting process and identify the right REFA solution to resolve adhesion problems.
Can you supply chemicals for both cleaning and rust prevention?
Yes. REFA supplies a complete range of cleaning and rust prevention chemicals — from in-process rust additives to long-term rust preventive oils for storage and transit protection.
Do you supply phosphating chemicals for pre-paint surface treatment?
Yes. We supply iron and zinc phosphating chemicals for pre-painting surface preparation — contact our technical team with your substrate and painting process details for specific recommendations.
We process multiple metal types in our facility — can REFA cover all of them?
Yes. REFA has dedicated cleaning chemistry for every metal type used in general engineering — mild steel, cast iron, aluminum, stainless steel, brass, copper and zinc die cast. We can supply a complete chemical solution for your entire facility from a single source.
Do you supply to small job shops and precision engineering units?
Yes. We supply manufacturers of all sizes — from small precision engineering job shops to large forging and casting facilities. Contact our sales team for MOQ details and pricing.
- Contact Us
Ready to Find Your Right Chemical Solution for General Engineering?
Tell us your metals, processes and cleaning challenges — our technical team will recommend the complete REFA solution for your operation.