Manual domestic toothbrushes, with filaments of synthetic polymer or natural bristles. Method of test and grading system for textural stiffness and compliance. Requirements and methods of tests for tuft anchorage, filament bend recovery, and profile of filament free ends.
Product Information
Published:
09/30/1980
ISBN:
0580109283
Language:
English
Note:
This product is unavailable in Ukraine, Russia, Belarus