source:Electric toothbrush release time:2020-11-02 Article author:sznbone Popular:face massager
Toothbrushes are classified according to the strength of the tufts and can be divided into soft, medium and hard. The strength of the tuft can be determined by measuring the bending force of the tuft or the nominal wire diameter.
Generally speaking, the bending force of the bristle bundle is the force produced when the bristle bundle resists bending, and the nominal wire diameter is the nominal value of the diameter of the bristle filament. The hair bundle bending force is measured by the toothbrush hair bundle strength tester. The toothbrush is cut from the neck, the toothbrush head is removed, and the toothbrush head is clamped on the toothbrush hair bundle strength tester.
After turning on the device, the toothbrush head bristles will go back and forth brush across a grid and read the force generated when the bristles are bent through the sensor.
When the tuft strength is classified according to the nominal wire diameter, it is judged according to the nominal wire diameter indicated on the toothbrush.
Reegis specializes in home beauty device & personal healthy care products more than 13years.
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2020-11-02