3A molecular sieve
Model Number:BS-3A
Place of Origin:Pingxiang,China
Keywords:3A molecular sieve, 3A zeolite, molecular sieve desiccant
Type 3A has an effective pore opening of about 3 angstroms (0.3nm). This is large enough to allow in moisture, but excludes molecules such as unsaturated hydrocarbons which can potentially form polymers; and this maximizes lifetime when dehydrating such molecules
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Molecular Sieve type 3A is an alkali metal alumino-silicate; it is the potassium form of the type A crystal structure. Type 3A has an effective pore opening of about 3 angstroms (0.3nm). This is large enough to allow in moisture, but excludes molecules such as unsaturated hydrocarbons which can potentially form polymers; and this maximizes lifetime when dehydrating such molecules
Typical Chemical Formula
0.4K2O 0.6Na2O Al2O3 2.OSiO2 4.5H2O
SiO2 : Al2O3 ≈2
Technical Parameter
Item |
Unit |
Technical data |
|||
Shape |
|
Pellet |
Sphere |
||
Diameter |
mm |
1.5-1.7 |
3.0-3.3 |
1.7-2.5 |
3.0-5.0 |
Size ratio up to grade |
% |
≥98 |
≥98 |
≥98 |
≥98 |
Bulk density |
g/ml |
≥0.65 |
≥0.65 |
≥0.70 |
≥0.70 |
Wear ratio |
% |
≤0.20 |
≤0.25 |
≤0.10 |
≤0.10 |
Crushing strength |
N |
≥45/cm |
≥60/cm |
≥30/p |
≥70/p |
Static water adsorption |
% |
≥20 |
≥20 |
≥20 |
≥20 |
Ethylene adsorption |
% |
≤3.0 |
≤3.0 |
≤3.0 |
≤3.0 |
Water content, as shipped |
% |
≤1.5 |
≤1.5 |
≤1.5 |
≤1.5 |
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