The shelf life of desiccant varies depending on the type and usage environment.
General desiccant: Most desiccant has a shelf life of about 3-24 months. If it is usually stored in a sealed state, the shelf life of the desiccant is generally 1-2 years.
Desiccant that comes with the instrument: Such as molecular sieve high-efficiency desiccant, the shelf life can reach three years.
Food desiccant: Usually in a sealed state, the shelf life is one year, but if it is in a dry place and sealed, it can be used for a longer time.
Hearing aid desiccant: The shelf life is 2 years if it is not used, and 6-8 months after use. The specific time depends on the climate and air humidity.
