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General Characteristics: NALSIT is a synthetic zeolite of type 4A having pore size of 0,4
nm. Molecular sieves are crystalline aluminosilicates of alkali metals or alkaline earth
metals. They have a three-dimensional crystal lattice with basic structural units of
SiO-4 and AlO-4 tetrahedrons so arranged, that
regular alternating cavities are formed. The size of the intracrystalline cavities and of
the intake opening – the pores to the cavities – are charakteristic for the
individual types of molecular sieves. The molecular sieves are without toxic components.
NALSIT is an aluminasilicate. Its chemical composition in dehydrated state is given
by the formula: Na2O . Al2O3 . 2 SiO2.
Quality Parameters:
Designation |
Chemical consumption |
Effective pore diameter (nm) |
Particle resistance (N/particle) |
RAK43 (g/100 g) |
Bulk density
(kg/m3) |
| Nalsit-powdered |
Sodium - alumino-silicate |
0,4 |
- |
min. 24,0 |
220-260 |
| Nalsit-G
20/25 |
Sodium - alumino-silicate |
0,4 |
min. 12,0 |
min.19,0 |
730-1 050 |
| Nalsit V15 |
Sodium - alumino-silicate |
0,4 |
min. 8,0 |
min. 19,0 |
580-700 |
| Nalsit V30 |
Sodium - alumino-silicate |
0,4 |
min. 20,0 |
min. 19,0 |
640-700 |
 RAK43 – equilibrium
adsorption capacity
This parameter is determining the capability of the zeolite to adsorb water vapour from
air at 25°C and with 43% of relative humidity; the value is expressed as: water grams per
100 grams of anhydrous zeolite G 20/25 – spheres with diameter 2,0 – 2,5 mm
V15 - cylindrical extrudates with 1,5 mm
diameter
V 30 - cylindircal extrudates with 3,0 mm
diameter
Application:
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Powdered zeolite as ecologically
benefical softening component of detergent and cleaning agents. |
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To dry the majority of gases and
liquids (permanent gases, hydrocarbons, air) |
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To dry gases in manufacturing of
semiconductors |
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For drying of coolants used in
refrigerating aggregates |
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AS water binding agent for
coating and synthetic materials |
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For static drying of gases and
liquids in closed systems |
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To dry natural gas, air in
ozonizer |
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To adsorb NH3 from
inert gases |
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For drying air at low partial
water pressure |
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As drying filling in packages of
effrvescens |
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To dry air in ozonizer |
Packaging and Storage:
Zeolites are packed and supplied in 20 litres or 200 litres metallic packagess. The
maximum water content in granulated packed products is 1,5 % wt.
Standard characterizing Nalsit:
Enterprise standard PND 25 – 912 –91
Synthetic zeolites, molecular sieves type A, X, Y, ZSM – 5, Mordenite
Enterprise standard PND 25 – 913 – 94
Powdered zeolites type A, 3A Potasit, 4A Nalsit
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