Silicon Carbide ( SIC)

Silicon Carbide is a synthetically manufactured compound of silicon and carbon (SiC) that has become the industry standard for high-performance applications requiring exceptional hardness, thermal stability, and chemical inertness. Unlike naturally occurring abrasives, industrial-grade SiC is engineered for consistency and precision, delivering predictable results across demanding applications.

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Why Silicon Carbide Dominates Industry

SiC's unique combination of properties—extreme hardness, superior thermal conductivity, exceptional thermal shock resistance, and outstanding chemical inertness—makes it the only viable material for many critical applications. Its performance at temperatures where conventional materials fail has made it indispensable to aerospace, defense, semiconductor, and heavy manufacturing industries.

Chemical Properties – Iron & Steel Products

Chemical Composition	Silicon (50.08%) + Carbon (49.92%)
Crystal Structure	Tetrahedral bonding of carbon and silicon atoms (creates exceptional strength)
Appearance	Black to dark gray crystalline powder or blocks (depending on grade)
Hardness	32 GPa (second only to diamond, cubic boron nitride, and boron carbide)
Young's Modulus	440 GPa (exceptional rigidity and strength-to-weight ratio)
Thermal Conductivity	120 W/m·K (excellent heat dissipation)
Coefficient of Thermal Expansion	4.0 × 10⁻⁶ /°C (minimal dimensional change under temperature fluctuations)
Melting Point	2,700°C (maintains structural integrity at extreme temperatures)
Maximum Operating Temperature	Up to 1,600°C in air (forms protective silicon oxide coating at ~1,200°C)
Fracture Toughness	6.8 MPa·m½
Flexural Strength	490 MPa

Silicon Carbide Grade Classifications

Refractory Grade Silicon Carbide is engineered for high-temperature structural applications where thermal stability, strength retention, and resistance to thermal shock are critical.

Refractory Grade:

Designed for high-temperature furnace and kiln applications

Excellent thermal stability and oxidation resistance

Maintains structural integrity under extreme heat conditions

Used in kiln furniture, furnace linings, and high-temperature components

Why Choose 0–5mm?

The finest particle size delivers superior performance in precision applications.
Ensures uniform distribution and consistent results in every batch.

Applications:

Road & Infrastructure Construction (Primary Market)

Superior Hardness

Second only to diamond in hardness (32 GPa)
Enables precise grinding and cutting without dulling
Extends tool life, reducing replacement frequency and production downtime

Environmental & Safety Profile

Non-toxic in industrial handling Dust can irritate respiratory system if inhaled in high concentrations (standard industrial PPE recommended) Environmentally stable; biodegradable Recyclable at end-of-life; supports circular economy initiatives Compliant with OSHA, EPA, and international workplace safety standards