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Silica blue indicator
Silica blue indicator

silica gel adsorbents: indicate the mositure by changing the color

  

Fine-pored (Type-A) spherical bead silica gel

Characteristics

transparent or translucent

glass-like spherical bead

Average pore diameter: 2.0-3.0 nm

Specific surface area:650-800m2/g

Pore volume:0.35-0.45 ml/g     

specific heat:0.92KJ/kg.0C

Thermal conductivity:0.63KJ/m.hr. 0C

Use

Mainly used for drying and moistureproof, may also be used as catalyst carriers, adsorbents, separators and variable-pressure adsorbents, etc.

Technical data

ITEM

Specifications

Typical values

Superior class

First class

Qualified class

Adsorption capacity

RH=20%,% ≥

10.5

10

8

11.2

RH=50%,% ≥

23

22

20

29.2

RH=90%,% ≥

34

32

30

37.6

Loss on heating,%

2.0

4.0

6.0

1.0

PH value

4-8

--

--

4

Specific resistance,Ω.cm

3000

--

--

5630

Silica%

98

--

--

98.5

Qulified ratio of spherical granules,% ≥

82

--

--

90

Size

*

*

*

2-5mm

Bulk density,g/L   

*

*

*

784

*.Negotiable

Sizes: 0.5-1mm, 0.5-1.5mm,0.5-2mm,1-2mm,2-4mm, 2-5mm,3-5mm,4-8mm, silica gel powder,etc.

Packaging:15kg/bag,20kg/bag,25kg/bag(polywovenbag),500kg/bag(packed in plastic woven flexible container,lined with plastic film bags,shipped in container, 3.6L/bag,1.8kg/bag,2.2kg/bag,5L/jug etc.

Note: The moisture content,packing and size may be customized per your specific requirements.

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