686x50mm Abrasive Polishing Belts 2"x27" Sanding Bands Trizact Non-woven Wool Felt for Precision Fine Mirror Polishing

Technical Specifications

• Belt Dimensions: Width 50 mm x Perimeter Length 686 mm (2" x 27" / 686x50 mm)
• Abrasive Media Options: 3M Trizact Cloth 237AA, Non-Woven Nylon Fiber, and Seamless Wool Felt
• Drive Machine Compatibility: 2x27" belt sanders, knife grinders, pipe belt sanders, and precision bench finishing grinders
• Target Workpieces: Stainless steel tubes and bars, titanium, nickel alloys, high-carbon steel, cutlery blades, and precision hardware

Material Options & Polishing Stages

• 3M Trizact 237AA Pyramidal Belts (A65 to A3): Microreplicated aluminum oxide pyramids that continually expose fresh abrasive grains for cool, predictable fine finishing prior to buffing.
  • A65: ~P280 equivalent (fine pre-grinding)
  • A30: ~P600 equivalent (intermediate satin blending)
  • A16: ~P1200 equivalent (semi-mirror prep)
  • A6: ~P2000 equivalent (high-gloss preparatory polish)
  • A5 / A3: ~P2500 - P3000 equivalent (ultra-fine micro-finishing)
• Non-Woven Conditioning Belts (P150 - P600): Three-dimensional nylon web for burr removal, surface scratch blending, and uniform satin hairline graining.
• Seamless Wool Felt Belts: High-density jointless pure wool felt ring engineered for vibration-free final mirror buffing with polishing paste or compounds.