Product Description
1.Water softener cation resin for Food Grade can meet FDA standard of U.S.A.
2.Water softener cation resin for Food Grade complies with Sanitary Supervision and Management Regulation for Drinking Water of Chinese health authorities and has been issued Food Hygiene Approval Permit.
3.Food Grade Ion Exchange Resin doesn't contain substances which are harmful to human body and tainted.
4.It has been widely used in decolorization, demineralization, softening aspect in food, drinking water and some other industries.
5.Quality Inspection Staff Seeking Ever Greater Perfection: Each inspector had to go through rigorous technical training so as to foster and seeking ever greater perfection and in turn to strictly control product quality.
6.Inspection of raw materials: Rigorous inspection of raw materials is the foundation of product quality.
Ionic form as shipped | H+ |
Functional group | carboxylic acid |
Matrix | crosslinked polyacrylate |
Structure | macroporous |
Appearance | yellow white, opaque |
Uniformity Coefficient* | 1.7 max. |
Bead size > 90 % | 0.315 - 1.25mm |
Effective size | 0.48 (+/- 0.05 ) mm |
Bulk density (+/- 5 %) | 1.19 approx. g/ml |
Density | 1.19 approx. g/ml |
Water retention | 45 - 50 wt. % |
Total capacity* | 4.3 min. eq/l |
Volume change H+--> Ca2+ | 7 max. vol. % |
Volume change H+--> Na+ | 64 max. vol. % |
Stability at pH-range | 0 - 14 |
Storability of the product | 2 max. years |
Storability temperature range | -20 - 40°C |
Recommended Operating Conditions
Operating temperature | 75 max. °C |
Operating pH-range | 5 - 14 |
Bed depth | 800 min. mm |
Specific pressure drop (15 °C) | 1.3 approx. kPa*h/m2 |
Pressure drop | 250 max. kPa |
Linear velocity operation | 50 max. m/h |
Linear velocity backwash (20 °C) | 12 - 14 approx. m/h |
Bed expansion (20 °C, per m/h) | 4.5 approx. vol. % |
Freeboard backwash(extern / intern) | 60 - 80 vol. % |
Regenerant | HCI/H2SO4 |
Co current regeneration level | HCl 70 |
Co current regeneration concentration | HCl 3 - 6 |
Linear velocity regeneration | 5 - 20 approx. m/h |
Linear velocity rinsing | 5 - 20 approx. m/h |
Rinse water requirement slow / fast | 5 approx. BV |
Product quality protection 
