ES-32 Ethyl Silicate

Most Popular Grade | Balanced Performance

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SiO₂ Content: 31.5-32.5%
CAS Number: 78-10-4
Formula: Si(OC₂H₅)₄
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SiO₂ Content
31.5-32.5%
Optimal Balance
Appearance
Clear
Colorless Liquid
Density
0.93-0.95
g/cm³ @ 20°C
Purity
99.5%
ISO Grade

Applications

ES-32 is the most versatile ethyl silicate grade, suitable for a wide range of industrial applications.

High-Temperature Coatings

ES-32 provides excellent thermal stability and bonding properties for demanding coating applications.

  • Thermal Stability: Maintains integrity at temperatures exceeding 500°C
  • Superior Bonding: Excellent adhesion to metal substrates including steel, aluminum, and titanium
  • Weather Resistance: Ideal for outdoor applications with long-term exposure to harsh conditions
  • Anti-Corrosion: Provides protective barrier against rust and chemical attack
  • Marine Applications: Suitable for offshore and marine environments

Precision Casting

Industry-standard binder for investment casting and ceramic shell manufacturing.

  • Investment Casting: Primary binder for ceramic shell molds in aerospace and automotive parts
  • Excellent Bonding: Creates strong, stable ceramic shells with minimal defects
  • Controlled Viscosity: Easy to apply and process at room temperature
  • Clean Burnout: Leaves minimal residue after firing, ensuring quality castings
  • Complex Geometries: Enables production of intricate, high-precision components

Adhesives & Sealants

Enhances performance of industrial adhesives and sealant formulations.

  • Adhesion Promoter: Improves bonding between dissimilar materials
  • Flexibility: Maintains bond integrity under thermal cycling and mechanical stress
  • Chemical Resistance: Protects against solvents, acids, and alkalis
  • Construction Sealants: Used in high-performance building sealant formulations
  • Automotive Applications: Suitable for under-hood and structural bonding applications

Refractory Materials

Critical component in high-temperature refractory systems.

  • Binder System: Creates strong bonds in refractory brick and castable formulations
  • High-Temperature Performance: Maintains structural integrity in furnaces and kilns
  • Thermal Shock Resistance: Withstands rapid temperature changes without cracking
  • Industrial Furnaces: Used in steel, glass, and ceramic manufacturing equipment
  • Insulation Systems: Enhances performance of high-temperature insulation materials

Technical Specifications

Detailed chemical and physical properties of ES-32 Ethyl Silicate.

Parameter Specification Test Method
SiO₂ Content 31.5 - 32.5% GB/T 14091
Appearance Colorless transparent liquid Visual inspection
Density (20°C) 0.93 - 0.95 g/cm³ GB/T 4472
Viscosity (20°C) Customizable (2-6 mPa·s typical) GB/T 2794
Purity ≥ 99.5% GC Analysis
Water Content ≤ 0.1% Karl Fischer
Acidity (as Acetic Acid) ≤ 0.01% Titration
Chloride Content ≤ 5 ppm Ion Chromatography
Boiling Range 165 - 168°C Distillation
Flash Point ≥ 43°C Closed cup method
Packaging 200L Steel Drum / 1000L IBC UN 1993
Storage Cool, dry, ventilated area away from water -

Why Choose ES-32?

The most popular ethyl silicate grade for good reason.

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Optimal Balance

Perfect SiO₂ content (32%) provides the ideal balance between performance and cost-effectiveness for most applications.

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Versatile

Works across multiple industries - coatings, casting, adhesives, and refractory applications with consistent results.

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Industry Standard

Most widely used grade globally, with established formulations and extensive application data available.

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Cost Effective

Best price-to-performance ratio in the ethyl silicate family, offering excellent value for volume users.

Technical Resources

Download comprehensive documentation for ES-32 Ethyl Silicate.

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Technical Datasheet (TDS)

Complete specifications and properties

Available upon request
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Safety Data Sheet (MSDS)

Handling and safety information

Available upon request

Certificate of Analysis (COA)

Quality assurance documentation

Available upon request

Request Technical Documents: All technical documentation is available in PDF format. Please contact our team to receive TDS, MSDS, and COA files for this product. Documents will be provided within 24 hours.

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