Molecular Sieve 4A Beads for Vehicle Break System - MSE Supplies LLC

Molecular Sieve 4A Beads for Vehicle Break System

To better serve you, we would like to discuss your specific requirement, Please Contact Us for a quote.

Product details:

4A molecular sieve is an alkali alumino silicate. It is the sodium form of the Type A crystal structure. 4A molecular sieve has an effective pore opening of about 4 angstroms (0.4 nm). 4A molecular sieve will adsorb most molecules with a kinetic diameter of less than 4 angstroms and exclude those larger. Such absorbable molecules include simple gas molecules such as oxygen, nitrogen, carbon dioxide and straight chain hydrocarbons. Branched chain hydrocarbons and aromatics are excluded. These 4A Molecular Sieve Beads are specially designed for Vehicle Break System due to their high strength.

Buy high quality 4A molecule sieve products at MSE Supplies for the best prices on the market. For bulk orders, please contact us for a quote. 

Molecular Sieve Product Options and Choices: 4 to 8-mesh molecular sieves are normally used in gas phase applications, while the 8 to 12-mesh type is common in liquid phase applications. 

CAS number: 70955-01

Pore Size: 4 Angstroms (0.4 nm)



Typical Chemical Formula

Na2O . Al2O3 . 2SiO2 . 4.5 H2O
SiO2 : Al2O3 ≈2



Diameter (mm)

2.0-2.5 (8~12 mesh)

Bulk density (g/ml)


Wear ratio (%)


Crushing strength (N)


Crushing Variance Ratio ≤0.3

Static water adsorption (%)




Moisture (%)



- Drying and removing of CO2 from natural gas, LPG, air, inert and atmospheric gases, etc.
- Removal of hydrocarbons, ammonia and methanol from gas streams (ammonia synthetic gas treating)
- Special types are used in the air break units of buses, trucks and locomotives.
- Universal drying agent in polar and nonpolar media

-Adsorbed species include SO2, CO2, H2S, C2H4, C2H6, and C3H6

Note Drying or regeneration is recommended before first use to remove the absorbed moisture and organic molecular.  Heat the molecular sieves to 200-315 °C purging with a carrier gas.


We Also Recommend
1 kg Molecular Sieve 3A Beads,  MSE Supplies

1 kg Molecular Sieves 3A Beads

1 kg Molecular Sieves 13X Beads,  MSE Supplies

1 kg Molecular Sieves 13X Beads

1 kg Molecular Sieve 4A Beads,  MSE Supplies

1 kg Molecular Sieves 4A Beads

1 kg Molecular Sieve 5A Beads,  MSE Supplies

1 kg Molecular Sieves 5A Beads