INDION CST
INDION CST is a strongly acidic cation exchanger resin based on ‘Two-component ion exchange resin’ technology. It is cross-linked polystyrene and has a gel structure. The resin contains sulphonic acid functional groups at the outer component. It is supplied moist in the sodium form as well as the hydrogen form.
Applications
INDION CST has an inert inner component and functionalized outer component, which results in a shorter diffusion path, fast exchange, reduced leakage, and lower water requirement.
It is used most widely in sodium form for water-softening applications. Irreversible fouling (heavy metal on the inner component of the resin bead) is less likely possible as the inner component of the resin bead is not functionalized.
Areas Of application
| Appearance | Moist, translucent, golden yellow to brown beads |
|---|---|
| Matrix | Styrene divinylbenzene copolymer |
| Functional Group | Sulphonic acid |
| Ionic form as supplied | Sodium |
| Total exchange capacity in Na form | 1.8 eq/l, minimum |
| Moisture holding capacity in Na+ form | 42 - 49% |
| Shipping weight | 800 - 850 g/l |
| Particle size range | 0.3 to 1.0 mm |
| > 1.0 mm | 5.0%, maximum |
|---|---|
| < 0.3 mm | 1.0%, maximum |
| Uniformity co-efficient | 1.7, maximum |
| Effective size | 0.45 to 0.60 mm |
| Maximum operating temperature | 120°C |
| Operating pH range | 7.5 to 9.0 |
| Volume expansion (Na+ to H+) | 10% maximum |
| Foreign Particles | Should be absent |
Weight of resin, as supplied, occupying 1m3 in a unit after backwashing and draining.
Packing
HDPE Lined bags: 25/50 ltrs
LDPE bags: 1 cft / 25 ltrs
Super sack: 1000 ltrs
Super sack: 35/40/42 cft
MS/HDPE drums with liner bags: 180/200 ltrs ± 7%
Fiber drums with liner bags: cft
Storage
Ion exchange resins require proper care at all times.The resin must never be allowed to become dry. Regularly open the plastic bags and check the condition of the resin when in storage. If not moist, add enough clean demineralised water and keep it in completely moist condition. Always keep the resin drum in the shade. Recommended storage temperature is between 20°C and 40°C.
Safety
Acid and alkali solutions used for regeneration are corrosive and should be handled in a manner that will prevent eye and skin contact. If any oxidising agents are used, necessary safety precautions should be observed to avoid accidents and damage to the resin.
INDION range of Ion Exchange resins are produced in a state-of-the-art ISO 9001 and ISO 14001 certified manufacturing facilities at Ankleshwar, in the state of Gujarat in India.
To the best of our knowledge the information in this publication is accurate. Ion Exchange (India) Ltd. maintains a policy of continuous development and reserves the right to amend the information given herein without notice.
INDION® is the registered trademark of Ion Exchange (India) Ltd.
