3A Molecular Sieve

NAIKE 3A Molecular Sieve is an alkali metal alumino-silicate; it is the potassium form of the type A crystal structure. Type 3 angstrom molecular sievesmaterial 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 maximises lifetime when dehydrating such molecules.

Parameters of 3 Angstrom Molecular Sieve

Model	3A
Nominal Pore Diameter	3 angstroms
Shape	Sphere(ball)		Pellet
Diameter
Size ratio up to grade (%)	≥98	≥98	≥96	≥96
Bulk density (g/ml)	≥0.72	≥0.70	≥0.65	≥0.65
Wear ratio (%)	≤0.10	≤0.10	≤0.25	≤0.25
Crushing strength (N)	≥30/piece	≥70/piece	≥45/piece	≥60/piece
Static H2O adsorption (%)	≤3.0	≤3.0	≤3.0	≤3.0
Ethylene adsorption	≥21	≥21	≥21	≥21
Water content (%)	≤1.0	≤1.0	≤1.0	≤1.0

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