Refractory Raw Materials

// Refractory Raw Materials

Baddeleyite (Natural Zirconia)

Natural baddeleyite (monoclinic ZrO2) with ≥96% ZrO2 content. Cost-effective zirconia source for glass furnace refractories and specialty castables.

Black Silicon Carbide Coarse Grit F12–F24

Black silicon carbide F12–F24 coarse grit (SiC 98%) for maximum material removal rates in heavy sandblasting, foundry shot blasting, and industrial floor anti-slip surface treatment applications.

λ = 120 W/(m·K) at 25°C

Black Silicon Carbide Fine Grit F100–F220

Black silicon carbide F100–F220 fine grit (SiC 98%) for precision lapping, optical glass polishing, and semiconductor back-grinding — delivers Ra ≤0.8 μm surface finish on ceramics and hard metals.

λ = 120 W/(m·K) at 25°C

Black Silicon Carbide Medium Grit F36–F80

Black silicon carbide F36–F80 medium grit (SiC 98%) balances cut rate and finish for vitrified grinding wheel production, coated abrasive belt manufacturing, and non-ferrous metal surface processing.

λ = 120 W/(m·K) at 25°C

// Refractory Raw Materials

Brown Fused Alumina (BFA)

Cost-effective brown fused alumina with 95% Al2O3. Standard raw material for abrasives and general refractory products.

Brown Fused Alumina Aggregate 0–3mm Al2O3 95%

Brown fused alumina 0–3mm refractory aggregate with Al2O3 95%, cost-effective filler for castable and ramming mix production. Specified for steel ladle castables, rotary kiln linings, and petrochemical reactor monolithic refractories.

Brown Fused Alumina Coarse Grit F12–F24

Coarse brown fused alumina F12–F24 with Al2O3 95% and high toughness for aggressive material removal. Used in steel structure blasting, foundry sand reclamation, casting lapping, and refractory surface preparation in heavy industry.

Brown Fused Alumina Fine Grit F80–F120

Fine grit brown fused alumina F80–F120 with Al2O3 95% for precision grinding and smooth surface finishing. Widely specified for bearing grinding, optical lapping, coated abrasive paper, and finishing of aerospace and medical components.

Brown Fused Alumina Medium Grit F36–F60

Medium grit brown fused alumina F36–F60 with Al2O3 95%, balancing cutting speed and surface finish quality. Ideal for bonded abrasive wheels, coated abrasive belts, and cylindrical grinding in automotive, aerospace, and tooling industries.

Brown Fused Alumina Micropowder D50 <10μm Al2O3 95%

Brown fused alumina micropowder D50 <10μm with Al2O3 95% for dense refractory matrix and surface coating. Used in self-flowing castable matrices, kiln spray coatings, glass furnace patch repair, and precision lapping in steel and glass industries.

// Refractory Raw Materials

Caustic Calcined Magnesia CCM 85-90%

Caustic Calcined Magnesia 85-90% MgO with high reactivity for chemical synthesis, soil amendment, wastewater treatment, and animal feed in agricultural and environmental industries.

Fully Stabilized Zirconia 8Y-FSZ ZrO2 92% for TBC and Fuel Cells

8Y-FSZ fully stabilized cubic zirconia ZrO2 92% + Y2O3 8%, no phase transformation up to 2400°C. High ionic conductivity and ultra-low thermal conductivity for thermal barrier coatings, SOFC electrolytes, and oxygen sensors.

λ = 2.0 W/(m·K) at 1000°C

// Refractory Raw Materials2000°C

Fused Magnesia 98% for Magnesia-Carbon Brick

Fused Magnesia 98% with ultra-low porosity and large periclase crystals for highest-grade magnesia-carbon bricks. Superior slag resistance for BOF converters, EAF linings, and torpedo ladles.

// Refractory Raw Materials1850°C

Fused Mullite

Electrically fused mullite with large crystal size and very low porosity. Superior mechanical properties and erosion resistance vs sintered mullite.

// Refractory Raw Materials1800°C

Fused Zirconia ZrO2 94% Crushed Glass Furnace and Abrasive Grade

Fused and crushed zirconia ZrO2 94% with Mohs 8.5 hardness and high bulk density for glass furnace refractory linings and industrial abrasives. Superior slag and glass-melt resistance for glass tank melter blocks and abrasive grinding wheels.

λ = 2.3 W/(m·K) at 1000°C

// Refractory Raw Materials1700°C

Green Silicon Carbide SiC 99% High Purity

High-purity green silicon carbide SiC 99% with Fe2O3 ≤0.05% for semiconductor wafer lapping, optical component precision grinding, and cemented carbide tool blank grinding wheel manufacturing.

λ = 120 W/(m·K) at 25°C

High-Purity Monoclinic Zirconia ZrO2 99% Glass Refractory Grade

High-purity monoclinic zirconia ZrO2 99% with exceptional resistance to molten glass corrosion and very low impurity content. Designed for glass furnace contact refractories, optical sputtering targets, and laboratory high-temperature crucibles.

λ = 2.1 W/(m·K) at 800°C

// Refractory Raw Materials1850°C

Large Crystal Sintered Magnesia 97% >200μm

Large Crystal Sintered Magnesia 97% with crystal size >200μm and ultra-low porosity for premium refractory bricks. Excellent corrosion resistance for BOF converters, EAF linings, and RH degassers.

// Refractory Raw Materials885°C

Potassium Cryolite

Potassium aluminum fluoride (K3AlF6) used as a brazing flux for aluminum and aluminum alloys, and as an active filler in grinding wheels. Lower melting point than sodium cryolite makes it ideal for low-temperature aluminum joining.

// Refractory Raw Materials1650°C

Silicon Carbide (SiC)

Black silicon carbide with ≥98% SiC purity. Exceptional hardness, thermal conductivity and chemical resistance.

λ = 25 W/(m·K)

Silicon Carbide Micropowder SiC 98% D50 <10μm

Silicon carbide micropowder SiC 98% with D50 <10μm for uniform dispersion in SiC refractory castables, wear-resistant surface coatings, and anti-oxidation linings in steel and petrochemical plants.

λ = 120 W/(m·K) at 25°C

// Refractory Raw Materials2800°C

Sintered Magnesia (DBM)

Dead burned magnesia with ≥95% MgO. Primary raw material for magnesia and magnesia-carbon refractories.

// Refractory Raw Materials1800°C

Sintered Magnesia 95% Aggregate 1-3mm

Sintered Magnesia 95% aggregate 1-3mm for magnesia castables and ramming mixes. High density and chemical stability suited for torpedo ladles, EAF tap holes, and AOD converter linings.