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Blue Silica Gel (cobalt indicator)

  • Shape:glass-like pellets or lumps.
  • Color: blue or light blue.
  • Including blue silica gel indicator and blue silica gel.

  • Turning from blue to red after absorbing moistures.

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description

Use

1. Mainly used for absorbing moisture, anti-rusting of instruments, gauges and equipment in the enclosed conditions. After absorbing moisture, it turns from blue to red, visually indicating the relative humidity of the given environments.
2. When being used with ordinary silica gel or drier, it indicates to which extent the drier absorbs the moisture and judges the relative humidity of a given environment. It is widely used as silica gel drier for the packing of precision instruments, leathers, shoes, clothes, foodstuffs, medicines and household electric appliances, etc.


Technical Data


ITEM

Specifications

Blue Silica Gel Indicator

Blue Silica Gel

Adsorption capacity,%

RH=20%,

8.0

--

RH=35%,

13.0

--

RH=50%,

20.0

20.0

rattle rate,%,

10.0

10.0

Qualified size ratio,%,

96.0

90.0

Loss on heating,%,

5.0

5.0

Color

RH=20%

blue or light blue

--

RH=35%

purple or purplish red

--

RH=50%

light purplish red

purplish red or light purplish red

Original color

blue or light blue

blue or light blue




Size: 1-3mm, 2-5mm, 4-8mm
Packaging:25kg per compound bag or 500kg per plastic bottle.
Notes: Packing and size may be customized per your specific requirements.