SPI-Chem™ Molecular Sieve Type 4A

0.4 nm pore size

The SPI-Chem™ Type 4A molecular sieve is typically used in regenerable drying systems to remove water vapor or contaminants which have a smaller critical diameter than 4 Å. Type 4A is also used for the absorption of ammonia (NH₃)

Technical data:

Nominal pore size.............................	4 Å (0.4 nm)
Type of crystal structure...................	Simple Cubic
Moisture content as shipped.............	1.5% [Measured @ 315°C (600°F) ]
Bulk density.....................................	45lbs/cu ft.
Crush Strength.................................	20 lbs.
Heat of Adsorption (max).................	1800 BTU/lb
H₂O pH (Slurry)..............................	10.5
Equilibrium water capacity @ 25°C.....	22%

Packaging:
100 and 500g sealed glass bottles

Type 4A Molecular sieve	SPI #	Each	In Stock
100g	02017-MB	$88.01	Yes
500g	02017-RA	$418.03	Yes

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