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Non Cobalt Orange Silica Gel

Cobalt has been listed as type carcinogens by EU.Blue silica gel which includes cobalt has been forbidden in Europe and America marketing.

Shape and Properties

Non Cobalt orange silica gel is bead or irregular shape particles; orange, main content is SiO2.Color will change with humidity change. It is orange before damp, color will be change green or dark green with humidity increasing. In addition to the performance of silica gel with the blue, it does not contain cobalt chloride, non-toxic characteristics.

Application:

This silica gel main use for moisture absorber and indicate the humidity of the environment, Widely used in precision instruments, medicine, petroleum, chemical, food, clothing, leather, home appliances and other industrial gases. It can be not used to alone, but also with ordinary silica gel mix according to a certain percentage of.

After changing the color of the product moisture, heating can be to restore the original color.

This make orange silica gel can be used repeatedly; the heating temperature is 100 - 120 degrees is appropriate

 

 

 Technique Data

Names of index

Non Cobalt Orange Silica

Typical numerical

Absorbance

RH=20%

8.0

9.0

RH=50%

20.0

22.0

RH=90%

30.0

31.0

PH

2-4

4

Granularity qualified

90

97

Heating Ioss

5.0

5.0

Show color change

RH=20%

Yellow brown

qualified

RH=35%

Subtle stitching green

qualified

RH=50%

Shallow green

qualified

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