RA Chart for VESPA System
Roughness Average Ranges
VESPA Refurbishing System Maximum Ra (Roughness Average) Ranges
| GRIT | RA |
| 30 Grit Scratch | Ra 170 (+/- 10% variance) |
| 50 Grit Scratch | Ra 135 (+/- 10% variance) |
| 100 Grit Scratch | Ra 72 (+/- 10% variance) |
| 200 Grit Scratch | Ra 42 (+/- 10% variance) |
| 400 Grit Scratch | Ra 25 (+/- 10% variance) |
| 800 Grit Scratch | Ra 10 (+/- 10% variance) |
VESPA Refurbishing System Starting Pad based on Ra Number
| GRIT | RA |
| 30 Grit VESPA | Ra 170 |
| 50 Grit VESPA | Ra 170-135 |
| 100 Grit VESPA | Ra 134-72 |
| 200 Grit VESPA | Ra 71-42 |
| 400 Grit VESPA | Ra 41-25 |
| 800 Grit VESPA | Ra 24-10 |
Tel: 888-877-4899
Fax: 888-811-4563
Address: 4333 Silver Star Rd #175, Orlando, FL 32808