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Cation C100 HiCap Std Mesh Softening Resin
Gel Type Strong Acid Cation Exchange Resin
Standard Mesh Options
Cation C100 HiCap Std Mesh Softening Resin
Cation C100E is a high purity premium grade bead form conventional gel polystyrene sulphonate cation exchange resin designed expressly for the treatment of foodstuffs, beverages, potable waters, and water used in the processing of food. Its specification is such that it will exceed the relevant EEC requirements, and the resin is in compliance with the U.S. Food & Drug Administration Code of Federal Regulations section 21, paragraph 173.25; for use in the treatment of foods for human consumption. Its high bead integrity, excellent chemical and physical stability, and very low extractibles content play a large part in its successful employment in these areas.
Basic Features:
- Application: Domestic/Industrial/Food grade softening
- Polymer Structure: Gel polystyrene crosslinked with divinylbenzene
- Appearance: Spherical beads
- Functional Group: Sulphonic acid
- Ionic form as shipped: Na+
Typical Physical and Chemical Characteristics:
| Total Capacity (min.) | Na+ | 1.90 eq/l |
| Total Capacity (min.) | Na+ | 41.48 kGr/ft3 |
| Moisture Retention | Na+ | 46-50 % |
| Mean Size Typical | 0.60-0.85 mm | |
| Uniformity Coefficient (max.) | 1.70 | |
| Reversible Swelling (max.) | Na+ → H+ | 10 % |
| Reversible Swelling (max.) | Ca2+ → Na+ | 8 % |
| Specific Gravity | 1.27 g/ml | |
| Shipping Weight (approx.) | 800-840 g/l | |
| Shipping Weight (approx.) | 50-52.5 lbs/ft3 | |
| Temp Limit | H+ | 120 °C |
| Temp Limit | H+ | 250 °F |
| Temp Limit | Na+ | 140 °C |
| Temp Limit | Na+ | 285 °F |
| pH Limits | 0-14 |
Softening Ion Exchange Resin Life
Softening resins, or for that matter all ion exchange resins, life is reduced by Chlorine in the feed water. Resin life was discussed in detail in PURONEWS - Volume 1 Issue 5 - May 2001. Standard resins such as PUROLITE C100 or C100E can withstand a Chlorine residual of 0.2 - 0.5 without a drastic life reduction. At levels of 1 ppm or higher the life will be significantly shortened. Each 1 ppm of Chlorine, on a continuous basis, will reduce resin life by one half. Softening resins should have a life of 10 years or more on Chlorine free water. We have seen life of over 30 years in many cases. If you have a high Chlorine residual in the feed water it is best to remove the Chlorine. Second best is to use a softening resin that has a higher DVB crosslinking.
The primary cause of reduced life on Chlorine bearing waters is the Chlorine attacks the DVB crosslinking in resin. Where standard softening resins have an 8% DVB crosslinking these resins have from 10% to as much as 20% DVB crosslinking. More DVB means longer resin life.
NOTE: C100E is food grade resin and made in the USA. C100LT is not food grade and is made in China.
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