Lapping and Polishing Slurries


Water-based diamond suspension

This water-soluble, ready-to-use diamond suspension was designed for the final polishing of optical components, ceramics and metals. OPW suspensions are optimized for highest performance of finishing processes from 3 micron down to 0.1 micron. Adapted OPW formulations are available for polishing on pads or pitch plates / PU-foil


Highly tailor-made: select any diamond type, grit size and concentration

Good cooling and lubrication propertie

User-friendly thanks to stabilized formulation

Guaranteed agglomerate-free

Environmentally friendly and easy to clean

Scratch-free polishing also in submicron range

Product Specifications

Carrier liquid



1.04 g/cm3

Typical lapping plate

polishing of optical lenses of various materials with submicron diamond sizes

Product Specifications

Base material


Shelf life

24 months


Ceramic, fused silica,
glass, poly carbonate lens

Suspension type Viscosity Stability Remarks
OPW-10 200 cP stabilized Pitch plate or PU-foil
OPW-20 325 cP stabilized Textile polishing pad
OPW-20 250 cP stabilized Double-side polishing

Interested in our
slurry products and solutions?

We are happy to share our knowledge with you and remain at your disposal for any further questions.

Adam Nielsen