Feature: Complete crystal shape,
good diaphaneity, high impact strength and thermal
stability.
Application: Suitable for cutting, drilling and grinding
tools.
MBD6
Feature: Most
are of imperfect single crystals with poor diaphaneity
.The edge and surface are not clear.
Application: suitable for grinding or polishing purpose.
MBD4
Feature:Most are of slight friability ,with rough
and sharp surface.
Application: suitable for grinding hard metal and
non-metal material.
