DS DS/EN 28627 RET
DS DSEN 28627 RET 1992-MAR-05 Dentstry - Stffness of the tufted area of tooth-brushes
DS DSEN 28627 RET 1992-MAR-05 Dentstry - Stffness of the tufted area of tooth-brushes
The standard specifies a test method and grading scheme for the stiffness of the tufted area of conventional manual tooth-brushes, together with relevant information concerning definitions and information concerning testing machines.