So how to do the Mao Beam Terri Test? Kunshan qinsun instrument will answer in detail for you:
1. Test device B602 (not more than 100n range), brush head clip.
2. Sample preparation
Each toothbrush is left with a bunch of hair, and the rest of the bristles are removed. Under the condition of temperature (20 plusmn; 5) ℃, the constant temperature is 4h.
3. Test condition
Temperature (20 plusmn; 5) ° C, the test machine's increase and drop speed at a uniform speed (100 plusmn; 10) mm/min.
4. Test steps
The brush head is connected to the lower clip holder (bristles up) through the fixture, and On the holder, the bristles folded and clamped to the cotton beams, and the counting of the test machine was read when the hair removal was read.