SAC · SBA · Mixed Bed · Food Grade · NSF/ANSI 61
Ion Exchange Resins
Softening · Demineralization · Deionization · Food Grade
Ion exchange resins are the core technology behind water softening, demineralization, and ultrapure water production. From municipal softeners to pharmaceutical-grade mixed-bed polishers, the right resin selection determines system performance, regenerant consumption, and treated water quality. Texas-Chem supplies the full range of cation, anion, mixed-bed, and food-grade resins.
Resin Types
5 types available
Certifications
NSF 61 / FDA 21 CFR
Applications
Softening to Ultrapure
Pack Sizes
1 ft³ · 5 ft³ · Bulk
Safety & Regulatory
- NFPA Health
- 1 — Slight hazard
- NFPA Flammability
- 1 — Slight hazard (dry resin)
- NFPA Reactivity
- 0 — Stable
- DOT Classification
- Not regulated
- NSF/ANSI 61
- Certified grades for potable water
- FDA
- 21 CFR compliant grades for food contact
- Skin/Eye
- Mildly irritating — standard PPE recommended
- Disposal
- Spent resin — check local regulations; landfill typically acceptable
Resin Types & Packaging
Available Types
Pack Sizes
Resin Type Specifications
| Resin Type | Ionic Form | Capacity | Primary Use |
|---|---|---|---|
| Strong Acid Cation (SAC) | H⁺ or Na⁺ | 1.7–2.0 meq/mL | Softening, demineralization, dealkalization |
| Strong Base Anion (SBA) | OH⁻ or Cl⁻ | 1.0–1.4 meq/mL | Demineralization, silica removal, deionization |
| Weak Acid Cation (WAC) | H⁺ | 3.5–4.5 meq/mL | Dealkalization, partial softening |
| Mixed Bed (MB) | H⁺ / OH⁻ | Combined | Polishing, ultrapure water production |
| Food Grade | Various | Product-specific | Beverage deacidification, sugar decolorization |
Applications
Water Softening
Strong acid cation (SAC) resin in sodium form exchanges calcium and magnesium ions for sodium, preventing scale formation in boilers, cooling towers, and process equipment. The most common ion exchange application — regenerated with sodium chloride (salt).
Demineralization & Deionization
Two-bed (cation + anion) and mixed-bed systems remove all dissolved ions from water, producing deionized (DI) water for boiler makeup, pharmaceutical manufacturing, electronics rinsing, and laboratory use. Mixed-bed polishers achieve resistivity >10 MΩ·cm.
Condensate Polishing
Mixed-bed resins remove corrosion products (iron, copper) and trace ionic contamination from steam condensate in power plants and industrial steam systems. Protects boilers from corrosion and maintains steam purity.
Nitrate & Perchlorate Removal
Selective anion exchange resins remove nitrate and perchlorate from drinking water to meet EPA MCLs. Nitrate-selective resins are used in municipal water treatment and point-of-use systems for agricultural areas with elevated nitrate.
Food & Beverage Processing
Food-grade ion exchange resins deacidify fruit juices, decolorize sugar syrups, demineralize whey, and purify amino acids and vitamins. FDA-compliant resins are required for all food contact applications.
Pharmaceutical & Ultrapure Water
Mixed-bed and electrodeionization (EDI) systems produce USP purified water and water for injection (WFI) for pharmaceutical manufacturing. Resin quality and regenerant purity are critical for meeting pharmacopeial specifications.
Why Source Ion Exchange Resins from Texas-Chem?
- 35+ years supplying water treatment chemicals and media to Texas industry
- Full range: SAC, SBA, WAC, mixed bed, and food-grade resins
- NSF/ANSI 61 certified for potable water; FDA 21 CFR for food contact
- 1 ft³ bags, 5 ft³ bags, and bulk quantities
- Technical support for resin selection and system sizing
- Same-day quotes — contact us with your water analysis and flow requirements