RAPO STONE is softer than LAP MATE

Application                                                                                              Grit                        Size (mm)

Surface lapping after EDM processing                                             # 120                     1 X 10 X 100

for general mold                                                                                    # 180                     1.5 X 10 X 100

Features                                                                                                # 240                     2 X 10 X 100

This stone can keep good operation conditions with least           # 320                     3 X 6 X 150

Clogging and crashing.Because of its sharpness and                   # 400                     3 X 13 X 150

Polishing performance, a fine surface can be gained with           # 600                     5 X 13 X 150

Rather shor time of operation                                                              # 800                    

# 1000                  

                                                                                                                    # 1200                     

Gain            Hardness             Bond                     Pack                                                                      

WA               Medium/Hard       V                          20 pcs