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Highly uniform spherical beads with narrow particle size distribution for low pressure drop and consistent hydraulic performance.
Strong acid cation exchange resin in potassium form (K⁺), optimized for selective monovalent cation removal and softening.
Exceptional chemical and osmotic stability, enabling reliable operation across wide pH (0–14) and temperature ranges (up to 120 °C).
Low extractables and high regeneration efficiency, reducing rinse water consumption and operational costs.
Manufactured under strict GMP-compliant quality control, meeting ISO 9001 and REACH compliance requirements.
Potassium-selective polishing in pharmaceutical-grade purified water (PW) and water-for-injection (WFI) systems.
Hardness removal and sodium leakage control in high-purity boiler feedwater pretreatment.
Cation exchange layer in mixed-bed demineralizers for semiconductor ultrapure water (UPW) production.
Targeted potassium conditioning in food & beverage process water where sodium restriction is critical.
| Chemical Type | Strong acid cation exchanger (sulfonic acid group) |
| Product Form | Potassium form (K⁺) |
| Appearance | Uniform amber, spherical gel-type beads |
| Functional Group | –SO₃H |
| Ion Exchange Capacity (total, dry basis) | ≥ 4.8 eq/L (volumetric, K⁺ form) |
| Moisture Content | 46–50 % (as supplied) |
| Particle Size Range | 315–1250 µm (≥ 95 %) |
| Uniformity Coefficient | ≤ 1.6 |
Q1: What is the primary functional group and ionic form of LEWATIT MonoPlus SM 1015 KR?
A: LEWATIT MonoPlus SM 1015 KR is a strongly acidic cation exchange resin in the potassium (K⁺) form, featuring sulfonic acid functional groups grafted onto a highly crosslinked polystyrene-divinylbenzene matrix.
Q2: Is this resin suitable for food-grade or pharmaceutical water polishing applications?
A: Yes — LEWATIT MonoPlus SM 1015 KR is manufactured and tested to meet requirements for use in high-purity water systems, including those supporting pharmaceutical and food-contact applications, subject to proper validation and regeneration protocols per end-user specifications.
Q3: How does SM 1015 KR differ from standard gel-type strong acid cation resins?
A: As part of the MonoPlus series, SM 1015 KR offers uniform particle size distribution, enhanced kinetic performance, improved resistance to osmotic shock, and higher mechanical stability — making it especially well-suited for demanding service cycles and high-flow-rate polishing applications.
Q4: What regeneration chemicals are recommended for this resin?
A: Regeneration is typically performed using aqueous solutions of sodium chloride (NaCl) or hydrochloric acid (HCl), depending on the target ionic form and process requirements. Potassium form maintenance may involve KCl-based regeneration under specific operational conditions.
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