3M™ diamond polishing PSA cloth disc 656WY grinds and polishes tough, hard to grind materials, such as carbides and ceramics. Micron graded diamond particles bonded to a flexible, J-weight waterproof cloth backing make this a durable, consistent abrasive with a long service life. A pressure sensitive backing allows swift and simple attachment. Designed for grinding and polishing, the 3M™ diamond polishing PSA cloth disc 656WY can tackle tough materials like ceramics, tungsten and chrome carbides and composites. In 3000, 8000 and 50000 mesh grades, a wide range of surface finishes are achievable on various different hard to grind substrates and applications. The flexible, J-weight cloth provides a durable, consistent backing for polishing on and around contoured surfaces. Achieve optimum results when you use this diamond abrasive disc with a coolant. Coolant is a desirable component of diamond polishing, since it efficiently cools both the work and the abrasive. Additionally, coolant will remove swarf and prolong abrasive life. 3M™ designed this diamond abrasive disc with a pressure sensitive adhesive (PSA) to make tool attachment swift and easy. The PSA backing adheres like a sticker, so operators can secure the abrasive to a tool by applying light pressure. Swift tool attachment helps enhance productivity and throughput. The 3M™ diamond polishing PSA cloth disc 656WY is used on hard to finish materials, including thermal spray parts, ceramics, composites, HVOF coatings, chilled iron and non-ferrous metal.