An abrasive solid is composed of an organic high polymer matrix and an abrasive material dispersed in the matrix to form a solid mass, whose cutting resistance is from 2 kgf (19.6 N) to 15 kgf (147 N) so that the abrasive solid is severable into two with use of a knife, cutter or the like tool and highly...http://www.google.fr/patents/US6929669?utm_source=gb-gplus-shareBrevet US6929669 - Abrasive solid
