Black Silicon Carbide #280 Grit – Precision Abrasive for Intermediate Grinding & Finishing

Premium Performance for Demanding Applications

Black Silicon Carbide #280 grit represents the perfect balance between material removal and surface refinement. This medium-fine abrasive delivers exceptional results in precision grinding, finishing, and preparation for final polishing stages. With its superior hardness and consistent particle size, our SiC #280 is engineered for professionals who demand controlled aggressiveness with refined results.

Technical Specifications & Key Benefits

✔ Precise Grit Size (#280 / 46-58μm) – Ideal for intermediate smoothing operations
✔ Exceptional Hardness (9.5 Mohs) – 30% harder than aluminum oxide alternatives
✔ Angular Grain Structure – Maintains sharp cutting edges throughout use
✔ Thermal Conductivity – Reduces heat buildup during processing
✔ Chemical Stability – Suitable for wet or dry applications

Optimal Applications

Metal Fabrication & Finishing

• Pre-polish preparation for stainless steel components

• Deburring precision machined parts

• Surface conditioning before electroplating

• Aerospace component finishing

Stone & Glass Working

• Intermediate polishing of granite and marble

• Lapidary work on hard gemstones

• Glass edge refinement

• Terrazzo surface preparation

Specialized Industrial Uses

• Composite material finishing

• Ceramic component processing

• Refractory material shaping

• Automotive restoration work

Available Product Forms

• Loose abrasive powder for manual applications

• Bonded abrasives (wheels, sticks, blocks)

• Coated abrasives (belts, discs, sheets)

• Slurry formulations for machine processing

Competitive Advantages

• Faster cutting action than comparable alumina products
• More consistent results than standard silicon carbide
• Lower consumption rates due to enhanced durability
• Reduced loading in bonded applications

Quality Assurance

✓ Laser particle size analysis for each batch
✓ Magnetic separation to remove metallic impurities
✓ ISO 9001 certified manufacturing process
✓ Custom gradations available

Ordering Options & Support

Available in 1kg, 5kg, 25kg, and bulk packaging with flexible shipping solutions. Our technical team provides:
• Application recommendations
• Process optimization guidance
• Custom formulation services

Request your free sample today to experience the Black SiC #280 difference in your production process.