UNE 106-955-1991
Dentistry. Toothbrush surface hardness

Standard No.

UNE 106-955-1991

Release Date

1991

Published By

ES-AENOR

Scope

This International Standard specifies the test method and grading scheme for the hardness of the hair surface of conventional manual toothbrushes, together with relevant information regarding definitions and information regarding testing machines.