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Refractory coatings are complex formulations containing multiple carefully selected components. Each ingredient plays a specific role in delivering the performance characteristics required for successful casting operations.

Refractory Minerals

The primary functional component that provides heat resistance. Common refractory minerals include:

  • Zircon - Highest refractoriness, excellent for steel
  • Alumina - High temperature resistance, chemical stability
  • Silica - Cost-effective, good for iron castings
  • Graphite - Lubricity, thermal conductivity
  • Talc - Smooth finish, non-ferrous applications

Carrier Liquid

The medium that suspends solids and enables application. Types include:

  • Water - Eco-friendly, economical, general use
  • Isopropyl Alcohol - Fast drying, low moisture
  • Industrial Alcohol - Quick evaporation
  • Specialized Solvents - Specific application needs

Binder

Provides adhesion to the mold surface and holds coating components together during drying and casting:

  • Organic Binders - CMC, dextrin, molasses
  • Inorganic Binders - Bentonite, colloidal silica
  • Specialty Binders - For specific requirements

Suspending Agents

Maintain uniform dispersion of refractory particles and prevent settling:

  • Clay Minerals - Natural suspension properties
  • Thickeners - Control viscosity and flow
  • Colloidal Materials - Prevent particle agglomeration

Special Additives

Performance enhancers that provide specific properties:

  • Anti-Foam Agents - Prevent bubble formation
  • Wetting Agents - Improve substrate adhesion
  • Deflocculants - Optimize particle dispersion
  • Preservatives - Extend shelf life
  • Flow Control - Optimize application characteristics

Formulation Balance

Successful coating formulation requires careful balance of all components to achieve:

  • Optimal solids content and viscosity
  • Appropriate drying characteristics
  • Desired coating thickness and coverage
  • Specific performance properties

Our Formulation Process

Precision engineering for consistent quality

Raw Material Selection

Only the highest quality raw materials from certified suppliers meet our stringent specifications.

Precise Measurement

Computer-controlled dosing systems ensure accurate component ratios every batch.

Controlled Mixing

Advanced mixing equipment creates uniform dispersions with optimal particle distribution.

Quality Testing

Every batch undergoes comprehensive testing before release to ensure specifications are met.

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