Home> News> Causes and protection of Automotive Wiring Harness Protection Sleeve for frosting and whitening

Causes and protection of Automotive Wiring Harness Protection Sleeve for frosting and whitening

June 13, 2023

In the process of using the Automotive Wiring Harness Protection Sleeve, did you find that the Automotive Wiring Harness Protection Sleeve is easy to frost and white, the following editor will explain the reasons and protection of the Automotive Wiring Harness Protection Sleeve frost and white.

Heat Shrink Textile Tubing

It is necessary for us to understand the composition of the Automotive Wiring Harness Protection Sleeve. The Automotive Wiring Harness Protection Sleeve is made from a kind of latex in the rubber tree. The basic chemical composition is polyisoprene, which is non-toxic and harmless.
The reason for the whitening of the Automotive Wiring Harness Protection Sleeve: the whitening of the Automotive Wiring Harness Protection Sleeve refers to the phenomenon that the compounding agent in the rubber material migrates from the inside to the surface. It is mainly due to the formation of supersaturated state or incompatibility of some compounding ingredients in the rubber. For the compounding agent with solubility in the rubber compound, after reaching the supersaturated state, it is always close to the surface layer and the compounding agent is sprayed out of the surface first, so the closer to the surface layer, the lower the concentration of these compounding agents.
Since the Automotive Wiring Harness Protection Sleeve is so easy to be frosted and whitened, what can be done to reduce the frosted and whitened and how to deal with it.
If you want to reduce the frosting of the Automotive Wiring Harness Protection Sleeve, you should choose raw rubber with high solubility, or try to choose raw rubber with similar solubility parameters to the compounding agent. In the production process of the Automotive Wiring Harness Protection Sleeve, the amount of solvent used should be reduced as much as possible. When the product is fully formed, it can be wiped with a relatively concentrated silicone oil, and then secondary vulcanization can reduce the occurrence of frosting.
How to deal with the Automotive Wiring Harness Protection Sleeve correctly when it has been frosted and turned white? Wipe it dry with a damp cloth and use it without affecting the performance of the tube. What really affects the performance of the pipe is that the pH or temperature is too high to age the pipe.
In short, the Automotive Wiring Harness Protection Sleeve should be wiped clean when not in use, and then stored in a dry bag in a dry environment can also reduce frosting and whitening. The above hope will be useful to everyone. Don`t think that the whitening of the Automotive Wiring Harness Protection Sleeve is a quality problem. In fact, these are normal phenomena.
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