How to simply distinguish the quality of the Automotive Wiring Harness Protection Sleeve

The current Automotive Wiring Harness Protection Sleeve market is mixed with dragons and snakes. A large number of unscrupulous merchants have added various thickeners, tackifiers, ammonia, various synthetic emulsions, resins, etc. into the original Automotive Wiring Harness Protection Sleeve, which has greatly harmed the car. For the benefit of the users of the wire harness protective sleeve, this kind of tampered thing can not meet the corresponding standards at least, and it will stink and solidify at the worst, causing huge losses to all Cable Sleeve users. In view of this, it is necessary to teach everyone how to identify the true and false Cable Sleeve. Without special equipment, it is best to use touch, rub, smell, look, and pull five tricks to identify the authenticity of the Cable Sleeve. This can prevent fakes from being bought to the greatest extent in the case of bare hands. First, wash your hands thoroughly, then air dry to keep your hands clean and dry.

1. Touch: Stir the Cable Sleeve to be tested evenly, then use your fingers to dip two fingers of the car wire harness protective cover, and rub it continuously with your thumb and index finger. If the Cable Sleeve is greasy, it looks like it is on the skin of your fingers If it feels like a layer of oil, it can be roughly determined that the glue content of the Cable Sleeve is not low. If there is no such feeling, when you touch it, you feel that the skin of your fingers rubs against each other seriously, as if you are touching water, it means that there is more moisture in the Cable Sleeve, and you should be vigilant at this time.
2. Rubbing: After touching, use the index finger and middle finger to dip an appropriate amount of the Cable Sleeve, spread it evenly on the palm plane of the other hand, and gently rub it back and forth. If you don`t rub it a few times, you will feel the Cable Sleeve Particles formed in the tube very quickly, indicating that the mechanical stability of this Automotive Wiring Harness Protection Sleeve is not up to standard, and it may only be about 300 seconds. If the Cable Sleeve is still smooth after rubbing back and forth more than 20 times, then this kind of Cable Sleeve machine is basically up to the standard.
3. Look: Spread the Automotive Wiring Harness Protection Sleeve flat on the clean palm, the thinner the better, then let it dry naturally to form a film, after the film is formed, gently lift it off the whole piece, if The film will not be broken into pieces when it is picked up, and the palm of the hand is dry and smooth after the film is removed, which means that the purity of the Cable Sleeve is relatively high. If the palm feels greasy and dry after the film is removed If there is a peculiar smell, the Cable Sleeve may have been mixed with white Cable Sleeve or other resin things such as acrylic emulsion, and such Cable Sleeve has been polluted. Then observe the whole piece of film against the sun to see that there are no particles and impurities. If the whole piece of film has uniform light transmission and clear texture, there should be few impurities in the Cable Sleeve. Otherwise, be cautious.
4. Smell: Put the above film close to the nostrils and smell its smell carefully. After the normal high-quality Automotive Wiring Harness Protection Sleeve dries up, there is only a faint fragrance of the Automotive Wiring Harness Protection Sleeve. If there are other sour odors, then The Cable Sleeve may be mixed with other emulsions or resins. If there is a faint odor, the Cable Sleeve may have begun to deteriorate. If it smells a strong volatile smell, the Cable Sleeve has been mixed with more Other things like acrylic emulsion, styrene acrylic emulsion, thickening etc.
5. Pulling: Knead the above-mentioned Cable Sleeve film into a strip, and then pull it with both hands to feel its pulling force. If the pulling force is strong, it means that the Cable Sleeve is good. If it is brittle, you should pay attention.