In the winter, many car owners will find that their car headlights will fog and condense a lot of water. Because there is a vent pipe on the back cover of the headlight of the car, mainly for heat dissipation, the heat generated when the lamp is turned on is discharged from the vent pipe, but sometimes moisture enters the vent pipe, causing fogging in the lamp.
Car headlight CaCl2 desiccant provides a perfect solution for this problem. It is efficient and durable. The ultra-fast moisture absorption speed makes it quickly reduce the ambient humidity to the ideal humidity, and the high moisture absorption capacity ensures the durability of the moisture absorption.
Ordinary silica gel desiccant is a physical desiccant. It only temporarily stores the adsorbed water in the micropores. When the ambient humidity is lowered, the adsorbed moisture is released into the environment. The calcium chloride desiccant is a chemical desiccant. The absorbed moisture is partially locked in the form of crystal water, and the other part is converted into a solid substance by participating in the curing reaction. Once the water is absorbed, it is difficult to be released into the environment.
1) Moisture absorption effect: in the conditions of 60 ℃, 90% , moisture absorption rate above 200%