Shfuqizuar
Specification of a test method and grading scheme for the stiffness of the tufted area of conventional manual tooth-brushes, together with the relevant information concerning definitions and those concerning testing machines. The original number of classifications of five categories has been reduced to three ones, i.e. soft, medium and hard. Eight definitions of important terms are given.
WITHDRAWN
ISO 8627:1987
95.99
Withdrawal of Standard
31 gush 2005