Silica Gel Blue
Category: Silica Gel Blue  Publish Time: 2018-06-27 10:44 

Product name: Silica Gel Blue

 

Characteristics

Shape: glass-like pellets or lumps.

Color: blue or light blue.

Color change: Turning from blue to red after absorbing moistures

Blue silica gel is produced by white silica gel added with ammonium tetrachlorocobaltate(II) (NH4)2CoCl4 or cobalt chloride CoCl2. This will cause the gel to be blue when dry and pink when hydrated

 

Specification 

ITEM

Blue gel indicator

Discoloring silica gel

Blue silica gel

Typical ＆#118alues

Adsorption capability,%

RH=20%,≥

8.0

--

--

8.5

RH=35%,≥

13.0

--

--

13.5

RH=50%, ≥

20.0

20.0

18.0

22

RH=90%,≥

--

--

28.0

32

Rattler，% ≤

10.0

10.0

10.0

0.5

Qualified size ratio,% ≥

96

90

90

97

Loss on heating，% ≤

5.0

5.0

5.0

0.9

Colour

RH=20%

Blue or light blue

--

--

 

RH=35%

Purple or purplish rec

--

--

 

RH=50%

Light red

Light red

Purple or light red

 

 

 

 

 

 

 

 

 

Use

1.                  Mainly used for absorbing moisture, anti-rusting of instruments, gauges and equipment in the enclosed condition. After absorbing moisture, it turns from blue to red, visually indicating the reletive humidity of the given enviroments.

2.                  When being used with ordinary silica gel or drier, it indicates to which extent the drier absorbs the moisture and judges the reletive humidity of a given enviroment. It is widely used as silica gel drier for the packing of precision instruments, leathers, shoes, clothes, foodstuffs, midicines and household electric appliances, etc.

 

Size:1-3mm, 2-5mm,4-8mm.

 

Packaging: 25kg bag

 

Note: Packing and size may be customized per your specific requirements.