Use best diamond make premium floor Pad on concrete and stone Polishing
Soft Bond (Blue)-The metallic powder in the sintered segment
wears away quickly releasing dull diamond crystals exposing
new abrasive crystals to cut efficiently. Best used on hard surfaces.
Medium Bond (Red) -A metal bond strength right between that of
soft and hard bonds.
Hard Bond (Black) -The bond of the metallic powder in the segment
wears away slowly and prevents premature wear against soft,
abrasive surfaces.