Dutec Foundry Coatings for Precision Casting

Manufacturing of Refractory Coatings for:

  • Sand Moulding Core & Mould
  • Lost Foam / Full Mould Coating
  • Green Sand Moulding
  • Ancillary Products
  • Stripping Agents
  • Releasing Agents

Supply of Ferro Alloys & More:

  • Ferro Silicon Manganese
  • Silico Manganese
  • Molybdenum, Nickel, Chromium
  • LC, HC, MC Silico Manganese
  • Foam Filters
  • Various Types of Chapelet

Products

High-performance refractory coatings tailored to your process.

Zircon-based Coatings

Premium refractoriness and anti-penetration for critical castings.

  • For ferrous & non-ferrous
  • Brush, dip, and spray grades
  • Excellent surface finish

Graphite Coatings

Superior lubrication and thermal shock resistance.

  • Ideal for steel and SG iron
  • Controlled drying and adhesion
  • Alcohol and water-based

Alumina/Silica Coatings

Balanced performance for general purpose applications.

  • Optimized solids loading
  • Low defect rates
  • Cost-effective

Water Based Coatings

Environmentally friendly coatings that provide excellent surface finish and easy application with water as the carrier.

Thinner Based Products

High-performance coatings with specialized thinners for quick drying and superior metal penetration resistance.

Talc Based Coating

Excellent surface finish and easy knockout properties for various casting applications.

Mold Wash Coating

Versatile coatings that prevent metal penetration and improve surface finish of castings.

Non-Ferrous Die Coatings

Specialized coatings designed for non-ferrous die casting applications, providing excellent release and thermal protection.

Key Benefits

Discover the advantages of our premium foundry coatings

Understanding Refractory Coatings

Refractory coatings, also known as foundry coatings, protective paints, blackings, and washes, are essential components in metal casting processes. These liquid formulations consist of high-temperature mineral or refractory materials suspended in a liquid carrier. Designed to withstand the extreme conditions of molten metal, they form a protective barrier between the hot metal and the core or mold.

When applied to a surface, the liquid carrier vaporizes, leaving behind a robust refractory layer. This layer serves multiple critical functions:

  • Protects the inner walls of furnaces and molds from thermal shock and chemical attack
  • Extends the lifespan of molds and cores
  • Prevents burn-on and metal penetration
  • Significantly improves casting surface quality
  • Reduces defects and improves dimensional accuracy

When and Why Use Refractory Coatings

The primary function of refractory coatings is to protect surfaces from casting defects and other forms of damage. These coatings are essential in foundry operations for several key reasons:

Surface Protection

Forms a protective barrier against molten metal penetration and thermal shock, preventing casting defects and surface imperfections.

Improved Cleanliness

Prevents metal penetration into sand molds, reducing post-casting cleaning time and costs.

Sand Defect Repair

Helps repair surface imperfections in sand molds and cores, ensuring smoother casting surfaces and reducing scrap rates.

Cost Reduction

Extends mold life, reduces material waste, and minimizes rework requirements.

Key Components of Refractory Coatings

  • Refractory Minerals — Provide high-temperature resistance and form the primary protective layer
  • Carrier Liquid — Typically water or alcohol-based for easy application
  • Binder — Ensures adhesion to the mold surface
  • Suspending Agents — Keep refractory particles evenly distributed
  • Special Additives — Including biocides and wetting agents to enhance performance

Enhanced Surface Finish

Ensures optimal performance and reduces defects

High Thermal Stability

Withstands temperatures from 1,750°C to 1,800°C

Chemical Stability

Resistant to chemical reactions at high temperatures

Recyclability

Increases recoverable sand, enhancing recyclability

Reduced Fettling

Decreases fettling time and cost, easier knockout from molding

Easy Application

Simple to apply on molds and cores

Industries We Serve

Solutions for ferrous and non‑ferrous foundries across applications.

Automotive Railways Agriculture Aerospace Energy General Engineering

About DUTEC Foundry Coatings

India's first dedicated manufacturer of high-quality refractory coatings for the foundry and casting industries

DUTEC Foundry Coatings is proud to be India's first dedicated manufacturer of high-quality refractory coatings (mold wash) for the foundry and casting industries. We started as a small-scale enterprise with a big ambition: to redefine the standards of the foundry sector.

Our Mission

At DUTEC Foundry Coatings, our mission is to transform the foundry industry by providing innovative, high-quality refractory coatings and solutions that enhance casting performance and efficiency.

Our Vision

We aspire to become a globally recognized leader in the refractory coatings industry while strengthening our presence in the domestic market.

We aim to serve industries of all sizes, offering ready-to-use coatings tailored to meet the unique requirements of small-scale to large-scale operations. Our focus is on delivering consistent quality and productivity, ensuring our customers achieve superior casting results with every use.

Our Commitment

Innovation is at the core of everything we do. Our team is dedicated to staying ahead of industry trends and consistently improving our product offerings to meet the evolving needs of our customers.

At DUTEC, we don't just create products—we build lasting partnerships, empowering industries to achieve their full potential with confidence and reliability. Together, let's redefine the future of the foundry sector.

  • 10+ Years of expertise
  • 50+ Customers served
  • 1M+ Castings improved
DUTEC Foundry Coatings — about us

Our Leadership

Meet the people guiding DUTEC's innovation and quality

Mr. Sanjeev Govind Bhai Jadav

Mr. Sanjeev Govind Bhai Jadav

Technical Director

B-Tech Engineer

5+ Years Experience

Brings extensive experience in foundry casting development and sales. Known for problem-solving skills and deep technical understanding in providing tailored solutions and reliable raw material support.

Miss. Mandakini Mahadu Tupsagar

Miss. Mandakini Mahadu Tupsagar

Research & Quality Director

BSC Graduate, BAMU University

13+ Years Experience

Expert in refractory coatings and resin manufacturing with extensive experience in quality assurance, research, and innovation. Drives DUTEC's continuous improvement and cutting-edge product development.

Why Customers Choose DUTEC

Understanding and meeting your foundry coating needs

Cost Effective

Competitive product pricing that delivers exceptional value for your investment

Consistent Quality

Guaranteed consistency in every batch for reliable performance

Innovative Technology

In-house R&D driving cutting-edge coating solutions

Timely Delivery

Reliable on-time delivery to meet your production schedules

Expert Team

Highly experienced technical team providing exceptional support

Fast Response

Quick turnaround on deliveries and committed service excellence

Extensive Range

Multiple product options with cost-effective solutions for every need

Global Reach

Serving customers across India and beyond

What Customers Say

Consistent quality and excellent technical support reduced our rework significantly.
— Plant Head, Automotive Foundry
Switching to Dutec's low‑VOC water‑based coating improved safety without compromising finish.
— EHS Manager, Engineering Foundry

Contact Us

Looking for a specific coating or need technical support? Send us a message.

Contact Our Team

Technical Support

Miss. Mandakini Mahadu Tupsagar

Technical Support Covers:
  • Product application guidance
  • Troubleshooting and technical queries
  • Product specifications and data sheets
  • Technical documentation requests