Product Features

• White in color, harder and more brittle than brown corundum, with stronger cutting force.

• Good chemical stability and excellent insulation.

Technical Properties:

• Vickers microhardness: 2200–2300 kg/mm²

• Density: 3.98 g/cm³

• Specific heat: 1.1 kJ/kg·K (20–900℃)

• Melting point: 2250℃

• Coefficient of thermal expansion: 7–9 (0–1600℃)

• Toughness (single particle compressive resistance): 0.72 kg

Annual output of various specifications: about 2,000 tons

Product Specifications

• JIS: 240# – 6000#

• FEPA (F Series): F230# – F1200#

• FEPA (F Series, extended): F240# – F2500#

Product Usage

Suitable for:

• Grinding and polishing of:

  • Piezoelectric crystal

  • Semiconductor materials

  • Monocrystalline silicon

  • Polycrystalline silicon

• Insulation applications

• Special ceramics

• Modern high-grade solid wood furniture

• High-grade refractory materials