Diamond Lapping Film

Lapping films consist of a polyester backing (typically 3 mils) on which the abrasive is rigidly fixed with an epoxy binder. The most common abrasives used for lapping films include diamond, silicon carbide, alumina and to a lesser extent ceria.Diamond lapping films provide less polishing relief than intermediate rough polishing cloths and provide a fixed diamond grinding mode. Diamond lapping films are exceptional abrasives for preparing microelectronic materials for SEM and TEM analysis.Diamond lapping films are precision coated abrasives using precisely graded diamond. A very flexible adhesive bonding agent is used which tenaciously hold the abrasive particles to the backing. These adhesive resists cracking or peeling to a tough, durable, tear-resistant plastic film which is waterproof and resistant to many solvents.



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