Hạt hút ẩm 4A Molecular Sieves
- 4A
molecular sieve
- Chemical
formula:Na2O·Al2O3·2SiO2·9/2H2O
- Cas
NO:70955-01-0
- Appearance:
Beads & Pellets
- Package:
150kg/drum
·
4A molecular sieve
·
Description: A kind of alkali-metallic, silicon-aluminum compounds,
it could adsorb the molecules which critical diameter is not more than 4
angstroms..
·
Applications:lt is mainly used for desiccation of gases and liquids,
such as associated gas in oil field and natural gas.Adsord H20、H2S、NH3、SO2、CO2、C2H5OH、C2H6 and so on;Used for refining and purification of gases and liquids,
such as argon.
|
ITEM
|
Measure Unit
|
BEAD
|
PELLETS
|
|
Diameter
|
mm
|
1.6-2.5
|
3.0-5.0
|
1/16”
|
1/8”
|
|
Static Water Adsorption
|
≥mg/g
|
215
|
215
|
215
|
215
|
|
Methanol Adsorption
|
≥mg/g
|
145
|
145
|
145
|
145
|
|
Bulk Density
|
≥g/ml
|
0.68
|
0.66
|
0.68
|
0.66
|
|
Crushing Strength
|
≥N
|
30
|
70
|
32
|
80
|
|
Attrition Rate
|
≤%wt
|
0.1
|
0.1
|
0.4
|
0.2
|
|
Package Moisture
|
≤%wt
|
1.5
|
1.5
|
1.5
|
1.5
|
·
Attention:
•The product as desiccant cannot be exposed in the open air and should be
stored in dry
condition with air-proof package.
•The product should be regenerated after a certain period of adsorption. the
appropriate regenerated temperature would be better below 350℃.