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In the form of spherical or irregularly-shaped granules, the gel is currently presented either blue or orange. With silicon dioxide as the chief ingredient, the product performs all the functions of blue silica gel but does not contain cobalt chloride and is therefore innocuous and pollution-free, and its color changes along with relative humidity.
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Use
Mainly for drying and indicating humidity of precision instruments, medicine, petrol chemicals, foodstuff, clothing, leather, electric appliances, other industrial gases, etc.
How to use
Put some color-variable silica gel into a suitable container or package and set the container or package where drying or humidity indication is needed. This gel can be used independently or in combination with other types of silica gel. After changing color as a result of absorbing moisture, the gel can be reused after heating to change into its original color. Heating temperature should be at 100-120℃.
Technical Data
ITEM | Specifications | ||
Non-cobalt Blue Silica Gel | Orange Silica Gel | ||
Adsorption capacity,% | RH=20%,≥ | 9.0 | 9.0 |
RH=50%,≥ | 22.0 | 22.0 | |
rattle rate,%,≤ | 10.0 | 10.0 | |
Qualified size ratio,%,≥ | 90.0 | 90.0 | |
Loss on heating,%,≤ | 5.0 | 5.0 | |
Color | RH=50% | red | light blackish-green / white |
Original color | blue | orange | |
Use
Mainly for drying and indicating humidity of precision instruments, medicine, petrol chemicals, foodstuff, clothing, leather, electric appliances, other industrial gases, etc.
How to use
Put some color-variable silica gel into a suitable container or package and set the container or package where drying or humidity indication is needed. This gel can be used independently or in combination with other types of silica gel. After changing color as a result of absorbing moisture, the gel can be reused after heating to change into its original color. Heating temperature should be at 100-120℃.
Technical Data
ITEM | Specifications | ||
Non-cobalt Blue Silica Gel | Orange Silica Gel | ||
Adsorption capacity,% | RH=20%,≥ | 9.0 | 9.0 |
RH=50%,≥ | 22.0 | 22.0 | |
rattle rate,%,≤ | 10.0 | 10.0 | |
Qualified size ratio,%,≥ | 90.0 | 90.0 | |
Loss on heating,%,≤ | 5.0 | 5.0 | |
Color | RH=50% | red | light blackish-green / white |
Original color | blue | orange | |
