Indicating Silica Gel Packets

Indicating silica gel packets main component are silica gel, commonly knows as Silicon Dioxide (SiO2). It is an odorless, tasteless, and non-toxic type desiccant packet. Blue silica gel will change color into pink variably according to the quantity of Moisture absorbs, and orange silica gel will change color into green....

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Description:

The color-changing silica gel is a high-value-added and high-tech indicator sorbent which is made by deep processing of fine-porosity silica gel with high activity adsorbent material. It is a high-grade adsorption desiccant.

It is an odorless, tasteless, and non-toxic type desiccant packet. Blue silica gel will change color into pink variably according to the quantity of Moisture absorbs, and orange silica gel will change color into green. They are generally mixed together to indicate the Saturation degree of desiccant. Silica gel packets is the most common type of moisture absorbent in the market and it is widely used for various kinds of industries. As a primary desiccant or blended with other desiccants in any application where visual control of moisture is required, suchas compressed air dryers, gas drying, breathers, for protection of non consumable packaged goods, drying and storage of flowers and seeds, etc.

Silica gel is a very good absorbent for use as a desiccant for storage purposes. It absorbs moisture from the package and creates a dry environment. These packages are non-toxic and remain inert to the reaction for extended periods of time. 


Advantage:

Blue indicates that the silica gel is made of naturally occurring mineral silica, purified and processed into beads. These beads are saturated with the moisture indicating solution, which causes them to appear dark blue when dry. Also known as narrow pores, silica gel is porous with pores of 20-30 Å diameter. The pores have a strong affinity for moisture and use physical adsorption and capillary condensation to capture and retain it. It removes moisture at temperatures up to 220'F. It absorbs moisture from blue to purple to pink. You can see when the desiccant is used and when the adsorption is complete. The transparent bag allows the silica gel to be regenerated by heating. This product can be used repeatedly.

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Features:

1.Moisture absorption rate over 30%;

2.No physical forms changed after moisture absorbing, nontoxic, no harm, no pollution;

3.Good heat stability, strong mechanical strength;

4.Widely used in shoes, hats, leathers, handbags, food, medicine, metals, toys, bamboo and wood, instruments, electronics, etc.

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