Overview
This 3” (80mm) copper-bond transition pad is built for the stage right after metal grinding—when you need to erase scratch patterns efficiently before moving into resin polishing. Compared with common iron-bond transition pads, copper bond typically delivers a sharper initial bite and more stable, cooler cutting, especially on harder concrete.

What makes this one different (unique angle)
Most “hybrid/transition” pads are positioned as a generic step. This one is positioned as the “hard-concrete accelerator”: when your transition step feels slow, smears, or heats up, copper bond is the upgrade to keep the workflow moving.

Specs
• Size: 3” / 80mm
• Bond: Copper bond (transition)
• Use: Concrete scratch removal / transitional step
• Working mode: Dry use (recommended)
• Grit options: #50 / #100 / #200 (set variants to match your stock)
• Backing: Velcro (if yours is Velcro; otherwise delete this line)

Best for
• Hard or dense concrete where transition pads feel slow
• Removing metal scratch pattern before resin polishing
• Jobs where heat buildup / glazing is a concern
• Contractors who want fewer passes on the first resin step

Typical workflow
• Metal 30/60/120 → Copper #50 or #100 → Resin #100 → #200 → #400 → #800…

Fitment
• Fits any system that runs 3” (80mm) Velcro-backed pads with the correct adapter/backer.
If unsure: ask for the grinder brand + model and a photo of the pad holder.

FAQ

Q1: Which grit should I choose?
• After metal #30/#60 → start #50
• After metal #120 → start #100
• Light scratch refinement only → #200

Q2: Can I use this instead of the first resin step?
It’s not a replacement. It’s a transition step to make the first resin grit faster and more consistent.

Q3: Dry or wet?
This version is designed for dry use on concrete.

Q4: What’s the difference vs an iron-bond transition pad?  
• Cutting feel: Copper bond often feels more aggressive / faster on hard concrete.
• Heat management: Copper bond tends to run cooler and more stable, reducing “smear/glaze” risk.
• When to pick iron bond instead: If concrete is softer and you want a calmer, less aggressive transition, iron bond can be enough.

Q5: Do I need an adapter?
Only if your machine doesn’t already accept 3” Velcro pads. Send a photo and I’ll confirm.