Dow Water & Process Solutions

DOWEX™ MONOSPHERE™ 650C NG (H)

A uniform particle size strong acid cation exchange resin for demineralization in nuclear water applications.

Product Name	Type	Matrix	Functional Group
DOWEX MONOSPHERE 650C NG (H)	Strong Acid Cation	Styrene-DVB Gel	Sulfonic Acid

Guaranteed Sales Specification	Units	H+ Form
Total Exchange Capacity, min.	eq/L	2.0
Total Exchange Capacity, min.	kgr/ft3 as CaCO3	43.7
Water Retention Capacity	%	46 - 51
Uniformity Coefficient		1.10 max.
Particle Size Distribution
Mean Particle Size	μm	650 ± 50
<300 μm, max. (50 mesh)	%	0.2
Whole Uncracked Beads, min.	%	95
Crush Strength
Average, min.	g/bead	500
>300 g/bead, min.	%	95
Trace metals, ppm dry resin, max.	Na Fe Cu Al Mg Ca 50 50 10 50 50 50
Ionic conversion, min.	H+ 99.7% min.

Typical Physical and Chemical Properties	Units	H+ Form
Particle Density	g/mL	1.22
Shipping Weight**	g/L	785
Shipping Weight**	lbs/ft3	49
Heavy metals (as Pb)	ppm dry resin, max.	10

** As per the backwashed and settled density of the resin, determined by ASTM D-2187.

For additional particle size information, please refer to the Particle Size Distribution Cross Reference Chart (40KB PDF).