Can silica gel desiccant be placed in sealed bottles? Silica gel desiccant does not swell after absorbing moisture, nor does it heat violently, so it can be put in a sealed bottle and jar.
What kind of desiccant can't be put in sealed bottles?
Only lime desiccant can not be put in sealed bottles and jars, because quicklime desiccant easily expands and heats up after absorbing moisture, causing deformation and even explosion of the bottles.
The role of desiccant:
Put it in the packaging bag or box of food, medicine, shoes, hats, clothing and electronic instruments to achieve the effect of drying and moisture resistance.
Hang in the container to avoid the appearance of "container rain".
Place in a precision instrument to keep the instrument environment dry.