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high quality 13X molecular sieve
high quality 13X molecular sieve
Molecular sieve is a kind of cubic crystal lattice aluminosilicate chemical compound. Molecular sieve has symmetry micropore structure with symmetry pore diameter, these
pores can adsorb molecule whose diameter is shorter than pore into pore space,
moreover, these pores own prior adsorption capacity to polar molecule and saturation
molecule, therefore, molecular sieve can separate molecule that is different in polarity
extent, saturation extent, size and boiling point, based on above theory, it is called molecular
sieve. Molecular sieve only allows matter that smaller than micropore to pass by and only
acts as barrier for bigger molecule and germ. Molecular sieve’s stronger adsorption capacity
and stronger thermal stability makes itself own wide and stronger molecular sieve moisture
adsorption capacity, therefore it can be used in gas purification. At last, we suggest you should
avoid direct air exposure when you conserve molecularsieve. Moreover, molecular sieve fears
oil and liquid water, you should notice that molecular sieve no contact with oil and liquid water.
Category of Molecular Sieve
Molecular sieve common prefix number divides molecular sieve with different crystal structure
nto several kinds, such as 3A type, 4A type etc, common molecular sieve types have:
A type: Potassium A(3A),Sodium A (4A),Calcium A(5A)
X type: Calcium X(10X), Sodium X(13X)
molecular formula:Na2O.Al2O3.2SiO2.9/2H2O
Silicon versus Aluminium:SiO2/ Al2O3≈2
Effective aperture: 10A
The main technical indexes:
Project | Unit | Sphere | Strip | ||
Diameter | mm | 1.6-2.5 | 3-5 | 1.6 | 3.2 |
Static water adsorption (25°C,RH50%) | %wt | Min25 | Min25 | Min25 | Min25 |
Wear rate | %wt | Max0.2 | Max0.2 | Max0.25 | Max0.25 |
Bulk density | g/ml | 0.62-0.67 | Min 0.65 | Min0.65 | Min0.65 |
Crushing strength | N | Min 30 | Min60 | Min30 | Min60 |
Moisture (packed) | %wt | Max1.5 | Max 1.5 | Max 1.5 | Ma 1.5 |
CO2 adsorption(25°C,250mmHg) | %wt | Min17.58 | Min17.58 | Min17.58 | Min17.58 |
high quality 13X molecular sieve