This 5.5” (140mm) flexible resin polishing pad is designed for a full polishing process, from aggressive surface preparation to high-gloss finishing. It is widely used on concrete, terrazzo, marble, and granite flooring.
 
📐 Product Specifications：
· Size: 5.5 inch / 140mm
· Bond: Resin-bond (flexible type)
· Backing: Velcro (hook & loop)
· Use: Wet polishing preferred (dry use possible for lighter grits)
· Application: Floor polishing, restoration, and maintenance
· Surface Compatibility:
  · Concrete
  · Terrazzo
  · Marble
  · Granite
  · Natural stone
 
🧱 Grit Progression and Application Purpose：
· #30 – Very Coarse：Aggressive grinding, removes deep scratches, surface leveling
· #60 – Coarse：Further smoothing, removes tool marks from #30
· #120 – Medium：Start of polishing, eliminates scratches from coarse stages
· #220 – Semi-Fine：Prepares surface for resin shine steps, refines pores
· #400 – Fine：Beginning of gloss development, closes surface structure
· #800 – Very Fine：Enhances surface clarity, semi-gloss result
· #1500 – Polishing：Brings out deep shine, improves reflectivity
· #3500 – Final Polishing：Ultra-fine mirror-like gloss, final finishing touch
 
✅ 5. Key Features
· Flexible design – Conforms to uneven surfaces
· Full grit range – Covers all polishing stages in one system
· High diamond content – Longer pad life and higher efficiency
· Velcro-backed – Easy and fast replacement during polishing work
· Wide application – Works on concrete, terrazzo, marble, granite