Detailed Product Description Diamond Polishing Liquid is a key factor of machining polishing technique ... , hardness at 9.3, to only 0.1~0.3nm. And DP W1.0 can reduce its Ra from 80.0nm ... 0.91nm.Diamond polishing suspension we produced performs the following advantage factors: distributed well of diamond particle in suspension, liquid ... . TYPE: DP W1.5, DP W1.25, DP W1.0, DP W0.75, DP I, DP II, DP III, ...