Test method of clean cloth and clean paper
Testing method of clean cloth:
1. The quality of the dust-free cloth depends on the thickness and weight of the cloth. The heavier the weight, the thicker the dust-free cloth. Different products choose dust-free cloths with different weights to wipe.
2. Pull both sides of the clean cloth with your hands, and then look at the light source with a magnifying glass to see if there are any broken fibers. The broken fibers will appear on the surface of the clean cloth in the form of wool. The broken fibers The less the cleaner, the better.
3. Wipe the fingerprints or Chinese seals on your touch screen phone with a dust-free cloth to see if it can be removed at once
4. Dip alcohol and wipe your phone screen or glasses to see if it will leave stains and debris
5. Under the light in the clean room, shake the clean cloth to see if there is a lot of debris falling.
Dust-free paper detection method:
1. The main thing is to see if there is any confetti on the surface, and rub it on your hand to see if there is much hair loss.
2. Feel the hardness and thickness by hand.
Simple detection methods refer to emergency methods that do not have equipment under normal circumstances and are only used when detection is required. Professional detection also requires professional equipment. The detection can be carried out in a professional organization. Recognized by the market! Recognized by consumers!