WE FORMULATED CHINA NATIONAL STANDARD OF SILICA GEL & SILICA SOL
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DESCRIPTION

Silica gel indicator _ Color silica gel _ Allochroic silica gel _ Blue Silica Gel

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Detail



Properties

Blue silica gel is divided into blue gel indicator, color'changed silicagel and blue gel, and the appearance is blue or light blue glassy particle. According to the shape of particles, it can be divided into lumpy type and spherical type, and it also can change into red from the blue color after the absorption of moisture.


Application

1. It is mainly used for antirust and moisture absorption of instruments and equipment and so on, at the same time, it can indicate relative humidity environment through the direct indicator of which blue color turn into red color after the absorption of moisture. 2. With combination of the ordinary silica gel desiccant, it is usedto indicate the moisture absorption of desiccant and to determine the extent and relative humidity of the environment. AS the silicagel desiccant of packaging, it is widely used in precise instruments, leather, shoes, clothing, food, medicines and household appliances.



Technical Specification:

Item

parameters

Blue Silica Gel

Blue Silica Gel with Cobalt

Blue Silica Gel without Cobalt

Adsorption Capacity(25℃)%

RH=20%

8.5

8.0

8.5

9.0

RH=35%

14.0

13.0

14.0

15.0

RH=50%

22.0

20.0

22.0

23.0

Qualified Ratio of Particle,% ≧

95

95

95

95

Qualified Ratio of Spherical Particle,% ≧

90

90

90

90

Loss on drying, % ≦

2.0

2.0

2.0

2.0


Color Changing

RH=20%

Blue or Light Blue

Blue

Blue

blue or deep blue

RH=35%

Purple of Purple Red

Light Blue

Blue Purple

Blue Purple

RH=50%

Light Pink and Pink

Purple Red

Purple Red

Purple Red



Size:0.5-1.5mm, 1-2mm, 1-3mm, 2-5mm, 3-5mm, 4-8mm etc..


Packaging: Bags of 25 kg or drums of 170 kg.


Note: Packaging and specifications can be customized as per requirement.



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