Silica gel orange self indicator 500g

Silica gel orange self indicator (500g) is a type of desiccant with humidity indicating function. After absorbing moisture, it changes color, visually indicating the relative humidity of the given environments. It is widely used as:

• Often used to absorb moisture and is  widely used in filtration. 
•  silica gel drier for the packing of the precision instruments, leathers, shoes, clothes, foodstuffs, medicines and household electric appliances.