Brown DI resin

[marinelife]

I ordered some new DI resin and they no longer sold what I have gotten in the past. So I got the recommended Purolite NRW37 Mixed bed Ion Exchange Resin
It came and it is not the normal Black mix, it is a brown gold color. Is this correct?

Nuclear Grade Mixed Bed Exchange Resin

Basic Features:
Description Nuclear Grade Mixed Bed Exchange Resin
Application Demineralization and Decontamination of Secondary Cooling Circuits
Polymer Structure Gel polystyrene crosslinked with divinylbenzene
Appearance Spherical beads
Functional Group Sulphonic Acid and Type 1 Quaternary Ammonium
Ionic form as shipped H_ / OH-


Product Data:
Cation Component Gel strong acid cation
Anion Component Gel strong base anion
Cation / Anion Ratio 40/60 %
Total Capacity (min.) H_ 1.8 eq/l
Total Capacity (min.) H_ 39.3 kGr/ft3
Total Capacity (min.) OH- 1.1 eq/l
Total Capacity (min.) OH- 24 kGr/ft3
Moisture Content (max.) 60 %
Mean Size Typical 0.65-0.90 mm
Uniformity Coefficient (max.) 1.7
Shipping Weight (approx.) 715-750 g/l
Shipping Weight (approx.) 44.7-46.9 lbs/ft3
Temp Limit Non-Regenerable Bed 100 oC
Temp Limit Regenerable Bed 212 oF
Temp Limit Non-Regenerable Bed 60 oC
Temp Limit Regenerable Bed 140 oF
pH Limits 0-14
Cationic Form (min.) 99.9 %
Anionic Form (min.) OH- 95 %
Anionic Form (max.) CO32- 5 %
Anionic Form (max.) Cl- 0.1 %
Anionic Form (max.) SO42- 0.3 %
Impurities Sodium (max.) 30 ppm
Impurities Iron (max.) 80 ppm
Impurities Heavy Metals (max.) 40 ppm