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High-capacity, gel-type strong acid cation exchange resin in sodium form (Na⁺).
Optimized for softening applications with excellent physical stability and low osmotic swelling.
Consistent bead uniformity and high mechanical strength for extended service life in fixed-bed systems.
Low soluble impurity content, meeting stringent requirements for potable water and process water treatment.
Regenerable with common salt (NaCl), enabling cost-effective and sustainable operation.
Residential and commercial water softening systems.
Pretreatment for reverse osmosis (RO) and deionization (DI) feed water.
Industrial boiler feedwater conditioning to prevent scale formation.
Food and beverage processing water preparation where sodium-form exchange is required.
Hospital and laboratory purified water systems requiring consistent low hardness.
| Chemical Type | Strong acid cation (sulfonic acid) resin, Na⁺ form |
| Product Form | Moist, spherical beads |
| Appearance | Opaque, light yellow to amber beads |
| Functional Group | –SO₃⁻Na⁺ |
| Ion Exchange Capacity (min) | 1.8 meq/mL (wet) |
| Moisture Content (as shipped) | 45–50% (w/w) |
| Particle Size Range | 0.3–1.2 mm (95% retained on 16 mesh, passes 50 mesh) |
| Uniformity Coefficient (max) | 1.7 |
Q1: What is the primary function of AMBERLITE SR 1L Na resin in water treatment applications?
A: AMBERLITE SR 1L Na is a strong acid cation exchange resin in the sodium form, designed primarily for softening hard water by selectively removing calcium and magnesium ions and replacing them with sodium ions. It is commonly used in residential, commercial, and light industrial scale inhibition systems.
Q2: How should the resin be prepared before first use?
A: Prior to service, the resin should be rinsed thoroughly with deionized or softened water to remove residual manufacturing fines and storage solutions. A standard regeneration with brine (sodium chloride solution) is recommended to ensure full conversion to the sodium form and optimal capacity performance.
Q3: Can this resin be used in high-temperature or low-pH feed water conditions?
A: AMBERLITE SR 1L Na resin is stable under typical municipal water conditions (pH 5–11 and temperatures up to 120°C), but prolonged exposure to very low pH (<4) or sustained temperatures above 100°C may accelerate functional group hydrolysis and reduce operational life. For aggressive conditions, consult DuPont technical guidance on resin selection and system design.
Q4: Is the 1L volume supplied as a ready-to-use hydrated bed or as dry resin?
A: The 1L package contains fully hydrated, pre-swell resin in its sodium form, supplied in aqueous suspension. No additional hydration step is required—users can load it directly into properly sized ion exchange columns or softeners after rinsing.
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