DOWEX HGR NG (NH₄)

A high capacity strong acid cation exchange resin.

Product Name	Type	Matrix	Functional Group
DOWEX HGR NG (NH4)	Strong Acid Cation	Styrene-DVB, Gel	Sulfonic Acid

Guaranteed Sales Specification	Units	NH4+
Total Exchange Capacity, min.	eq/l	2.2
Total Exchange Capacity, min.	kgr/ft3 as CaCO3	48.1
Water Retention Capacity	%	38 - 42
Particle Size Distribution
Range, 420 μm - 1200 μm, min.	%	95
>1200 μm, max. (16 mesh)	%	4
<420 μm, max (40 mesh)	%	4
<300 μm, max. (50 mesh)	%	0.5
Whole Uncracked Beads, min.	%	90
Trace metals, ppm dry resin, max.	Na Fe Cu Al Mg Ca Co Pb Hg Heavy Metals (as Pb) 25 50 10 50 50 50 30 20 20 10
Ionic conversion, min.	NH4+ 99% max.

Typical Physical and Chemical Properties	Units	NH4+
Particle Density, approx.	g/ml	1.26
Shipping Weight, approx.	g/l	820
Shipping Weight, approx.	lbs/ft3	51

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