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  • NAME: FINE-PORED SILICA GEL
  • NUM: 1a

Characteristics::::::
Transparent or translucent glass-like pellet or lump.
Average pore diameter:2.0-3.0nm. specific surface area:650-800 m2 /g
Pore volume:0.35-0.45ml/g specific heat:0.92KJ/kg. ℃
Thermal conductivity:0.63KJ/m.hr. ℃
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

10.0

8.0

11.2

RH=50%≧

23.0

22.0

20.0

29.2

RH=90%≧

34.0

32.0

30.0

37.6

Loss on heating,%≦

2.0

4.0

6.0

1.0

PH value

4-8

--

--

4

Specific resistance, Ωcm≧

3000

--

--

5630

Silica,%≧

98

--

--

98.5

Qualified ratio of spherical granules,%≧

82

--

--

90

Size

*

*

*

2-5mm

Bulk density ,g/L

*

*

*

784

Note:qualified ratio of spherical granules is only applicable to fine-pored silica gel

Sizes: 0.5-1.5mm、0.5-1mm、2-4mm、2-5mm、4-8mm.
Packing:25kg per bag or 500kg perbag,net.
Note:The moisture content,packing and size may be customized per your specific requirements.

 
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