Sanding Discs - WA

EXTRACUT WA (White Aluminum Oxide) Sanding Discs premium white fused alumina abrasive grains that offer superior hardness and friability compared to standard brown aluminum oxide. The sharp, fracturing grain structure continuously exposes fresh cutting edges during use, delivering cooler cutting, longer life, and finer finish quality — particularly effective on heat-sensitive materials and precision finishing applications.

Key Features

• White Fused Alumina (WA) — Premium white aluminum oxide with higher purity (99%+ Al₂O₃) and greater hardness than standard brown AlOx — fractures to expose fresh sharp edges.
• Friable Grain Structure — Grains naturally fracture under cutting pressure, continuously self-sharpening and maintaining cool cutting action throughout the disc life.
• Heat-Sensitive Material Specialist — Lower heat generation makes WA ideal for stainless steel, titanium, aerospace alloys, and heat-treated steels where thermal damage must be avoided.
• Fine Finish Capability — Sharper grain geometry produces finer scratch patterns — excellent for 180-grit+ finishing applications requiring smooth surfaces.
• Consistent Performance — Controlled grain size distribution ensures predictable stock removal rates and finish quality from disc to disc.
• Open-Coat Anti-Loading — Grain spacing optimized to prevent clogging on soft woods, aluminum, and painted surfaces.

Applications

Aerospace component finishing (titanium, aluminum alloys), stainless steel fabrications (food equipment, pharmaceutical), precision instrument manufacturing, hardwood furniture fine-sanding, musical instrument finishing, and any application requiring cool cutting on heat-sensitive or high-value materials where surface integrity is critical.

Specifications