Zircon Based Foundry Coatings

Engineered for exceptional performance in the most demanding high‑temperature foundry applications.

High Temperature Resistance Defect Prevention Versatile Applications
Zircon-based refractory coatings

Why Zircon‑based Coatings

High refractoriness, anti‑penetration, and superior surface finish for critical applications

High Temperature Resistance

Superior thermal stability and refractoriness for extreme temperature applications.

Defect Prevention

Prevents metal penetration and sand expansion defects for superior casting quality.

Versatile Applications

Ideal for steel, stainless steel, and high‑alloy steel in various molding processes.

DFCAST Z-500 High-Performance Zircon-Rich Coating

DFCAST Z-500 sample DFCAST Z-500 full mold casting

DFCAST Z‑500 is a premium, zircon‑rich, water‑based coating designed for the full mold casting process in heavy castings. High refractory minerals resist high temperatures, preventing sand expansion and metal penetration. The advanced binder system delivers adhesion and surface integrity for reliable heavy castings.

Zircon‑Rich

Exceptional performance at elevated temperatures.

Defect Control

Minimizes sand expansion and penetration.

Reliable

Strong bonding and uniform coverage.

Versatile

Optimized for full mold of heavy/complex castings.

DFCAST Z-600 Zircon Water-Based Coating

DFCAST Z-600 Zircon Water-Based Coating

DFCAST Z-600 is a high-performance zircon-based, water-based coating specifically designed for centrifugal casting applications. Ideal for sand molds and cores, it provides superior protection against metal penetration and sand fusion. Perfect for casting tubes up to 6 meters in length and centrifugal casting processes for grey iron, ductile iron, and small steel coatings.

High Refractory

Robust protection against metal penetration and sand fusion.

Long-Length Tubes

Ideal for tubes up to 6 meters in vertical/horizontal casting.

Chemical Resistant

Excellent resistance to powdering and peeling in harsh conditions.

Humidity Resistant

Maintains performance in high humidity environments.

Technical Note

For optimal results with centrifugal casting, ensure proper rotation speed and drying conditions to achieve uniform coating thickness and prevent sagging. The coating is particularly effective for S.G. iron liner manufacturing and centrifugally cast rolls.

DFCAST Z-510 Zircon-Rich Coating

DFCAST Z-510 brush application

DFCAST Z‑510 is a high‑performance, zircon‑rich, water‑based coating engineered for full mold casting, particularly heavy castings. High zircon content provides superior refractory properties, reducing sand expansion, burn‑on, and metal penetration for high‑quality surfaces.

High Zircon

Excellent thermal resistance.

Defect Prevention

Reduces expansion, burn‑on, penetration.

Material Range

Grey/ductile iron; small‑to‑medium steel.

Stable

Consistent suspension and coverage.

DFCAST Z-511(D) Zircon-Rich Coating

DFCAST Z-511D dipping DFCAST Z-511D spraying

DFCAST Z‑511D is a premium, water‑based, zircon‑rich coating in paste form designed for centrifugal casting. It suits steel, alloy steel, cast iron, and non‑ferrous castings, with exceptional thixotropy, stable suspension, and uniform coverage under extreme conditions.

High Zircon

Superior refractory performance.

Defect Control

Reduces expansion, burn‑on, penetration.

Thixotropic

Stable suspension; uniform application.

Versatile Methods

Dipping / Brushing / Spraying.

DFCAST Z-180 Zircon-Water Based Coating

DFCAST Z-180 water-based zircon coating

DFCAST Z‑180 is a high‑performance, zircon‑rich, water‑based coating tailored for full mold casting of heavy components. With high zircon content and thixotropy, it ensures uniform application and minimizes defects like sand expansion and penetration.

High Zircon

Thermal resistance and refractoriness.

Thixotropic

Excellent suspension; no settling.

Defect Prevention

Prevents expansion, cracking, penetration.

Versatile Methods

Dipping / Brushing / Spraying.

DFCAST Z-444 Zirconium Silicate-Based Coating

DFCAST Z-444 zirconium silicate-based coating

DFCAST Z‑444 is a high‑performance, zirconium silicate‑based coating ideal for grey iron, ductile iron, and small steel. Combining zirconium silicate and alumina, it provides superior thixotropic suspension and uniform coverage in a water‑based, easy‑to‑apply formulation.

Premium Composition

Zirconium silicate + alumina enriched with zircon.

Versatile

For grey iron, ductile iron, and small steel castings.

Water‑Based

Safer and easier handling.

Superior Suspension

Excellent thixotropy for even coverage.

DFCAST Z-502 Sulphur-Blocking Coating

DFCAST Z-502 sulphur-blocking coating

DFCAST Z‑502 is a zircon‑rich, high‑performance coating formulated to block sulphur during casting, preventing contamination and delivering cleaner castings with improved surface quality in critical applications.

Sulphur Blocking

Prevents sulphur contamination.

High Zircon

Excellent refractoriness and stability.

Ready‑to‑Use

No additional preparation required.

DFCAST Z-680 High-Performance Penetrative Coating

DFCAST Z-680 penetrative coating

DFCAST Z‑680 prevents burn‑on, sand fusion, erosion, and defects from excessive metal penetration. High‑quality formulation delivers superior penetration resistance for smooth, clean casting surfaces.

Defect Prevention

Blocks burn‑on, fusion, erosion.

Premium Protection

Surface integrity in demanding environments.

Versatile

Brush, flood, or spray methods.

DFCAST Z-690 High-Performance Refractory Coating

DFCAST Z-690 high-performance coating

DFCAST Z‑690 offers exceptional refractory properties, superior bonding, and dense layer formation on drying. Easy to prepare and apply, with excellent suspension for quick mixing across brush, flood, or spray methods.

High Temp

Performs in extreme foundry conditions.

Dense Layer

Compact protective barrier on drying.

Easy Prep

Excellent suspension; quick mixing.

DFCAST Z-700 Zircon-Graphite Coating

DFCAST Z-700 zircon-graphite coating

DFCAST Z‑700 combines zircon and graphite for thermal stability and smooth surfaces in medium to heavy iron castings (cast iron, ductile iron, SG iron). Provides durable protection and superior finish.

Zircon‑Graphite

High‑temperature resistance + smooth finish.

Dense Barrier

Prevents burn‑on, penetration, and fusion.

Versatile

Brush / Flood application.

DFCAST-CF13 Alumino-Silicate Water-Based Coating

DFCAST CF13 alumino-silicate water-based coating

DFCAST‑CF13 is a water‑based alumino‑silicate coating for non‑ferrous casting, including centrifugal pipe casting. Ensures smooth application, strong adherence, and durable protection for intricate and heavy sections.

Stable Suspension

Homogeneous mixing and consistent application.

Strong Bond

Excellent coverage; defect protection.

Breakdown Control

Improves casting removal without damage.

DFCAST-TP 500 High-Refractory Zircon-Based Coating

DFCAST TP-500 for full mold and lost foam

DFCAST‑TP 500 is a zircon‑based, water‑based refractory coating for full mold and lost foam casting, including thermocol patterns. High refractoriness, strong adhesion, and uniform coverage for stainless steel and various alloys.

Enhanced Performance

Improved finish; prevents penetration and sand defects.

Versatile

Applicable to small to large castings and alloys.

Optimized Permeability

70–80 permeability for defect‑free casting.

DFCAST-TP 100 High-Performance Zircon-Graphite Coating

DFCAST TP-100 zircon-graphite coating

DFCAST‑TP 100 is a water‑based zircon‑graphite coating for heavy cast iron castings, including full mold and lost foam with thermocol patterns. Provides high build‑up, adjusted permeability, and superior finish for cast iron, mild steel, and aluminum.

Advanced Composition

Zircon + graphite reduces lustrous carbon.

High Build‑Up

Multiple applications for heavy sections.

Optimized Permeability

110–120 for defect‑free castings.

DFCAST-FM 100 High-Refractory Coating for Thermocol Pattern Casting

DFCAST FM-100 for thermocol pattern casting

DFCAST‑FM 100 is a premium, high‑refractory, water‑based alumino‑silicate coating for thermocol (EPS) pattern mold casting. Enhances finish, dimensional accuracy, and defect prevention for medium‑sized castings.

Enhanced Quality

Smooth finish and dimensional accuracy.

Easy Application

Brush, dip, or spray with excellent coverage.

Cost Effective

Higher coverage reduces material and fettling.

FAQs

When should I choose zircon-based coatings?

Choose zircon for critical castings demanding high refractoriness and anti-penetration—common in steel and high-temperature iron applications.

Are zircon coatings available in alcohol and water bases?

Yes. We supply alcohol and water-based grades. We’ll recommend a system aligned with your process and EHS requirements.

What application methods are supported?

Brush/swab, controlled dip, and air/airless spray. We provide guidance on viscosity, drying, and film build.