Diamond Segment Bond Selection Decision Workflow
Systematic decision process for selecting the correct diamond segment bond hardness based on concrete PSI, machine type, application, and environmental factors.
Steps
- 1
Measure Concrete Hardness
Use Mohs scratch test or rebound hammer to determine concrete PSI. Classify: Very Soft (<2500), Soft (2500-3500), Medium (3500-4500), Hard (4500-5500), Very Hard (5500+).
Mohs 3-4 = Soft\nMohs 5 = Medium\nMohs 6-7 = Hard\nMohs 8+ = Very Hard
- 2
Apply Inverse Rule
The fundamental rule: HARD concrete needs SOFT bond. SOFT concrete needs HARD bond. This ensures proper segment wear rate and diamond exposure.
Pro tip: Think of it like sandpaper: soft material needs aggressive grip (hard bond), hard material needs easy release (soft bond).
- 3
Check Machine Compatibility
Verify your grinder model supports the selected segment type. Check plate type (Redi-Lock, Quick-Change, EZchange) and pin pattern.
- 4
Consider Application
Adjust bond selection based on task: coating removal needs aggressive (softer bond), polishing needs consistent (harder bond), general grinding uses standard selection.
- 5
Verify with RPM
Confirm recommended RPM range for your bond/concrete combination. Higher RPM = more aggressive cutting = acts like softer bond.
Pro tip: If between two bond options, choose the softer one and reduce RPM slightly.
Tools Required
Estimated Monthly Cost
Free
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