Franklin FWXME15 Mixed Bed DI Resin – High Purity Deionization Resin for Ultrapure Water Applications

Ready-to-Use Mixed Bed DI Resin for High Purity Water

The Franklin FWXME15 Mixed Bed DI Resin is a premium, pre-mixed ion exchange resin designed for high purity deionization applications requiring maximum resistivity and performance. This resin combines strong acid cation resin in H⁺ form with strong base Type I anion resin in OH⁻ form, delivering complete ion removal in a single media bed.

Supplied ready to use, FWXME15 eliminates the need for separate resin handling or mixing, making it ideal for systems where consistent, high-quality ultrapure water is critical.

It is specifically engineered for applications requiring low conductivity, high resistivity, and reliable output, including laboratory, medical, and precision cleaning environments.

Key Features

• Pre-mixed cation (H⁺) and anion (OH⁻) resin – ready to use
• Designed for high resistivity and ultra-pure water production
• Strong acid cation + Type I strong base anion combination
• High exchange capacity for extended service life
• Uniform bead size distribution for stable flow performance
• Ideal for mixed bed deionization systems
• Eliminates need for separate resin loading or blending

Core Specifications

Operating Conditions

Performance & Physical Properties

• Total Exchange Capacity:
  • Cation: ≥ 1.9 eq/L
  • Anion: ≥ 1.0 eq/L
• Particle Size Range: ≥ 95% between 0.40 – 1.25 mm
• Uniformity Coefficient: < 1.7
• Whole Uncracked Beads After Attrition: ≥ 95%
• Bulk Density: 0.69 – 0.75 g/mL
• Moisture Retention: 55 – 60%

Why Mixed Bed Resin Matters

If you need ultra-pure water, single-bed systems won’t cut it.

FWXME15 delivers:

• Near-complete ion removal in a single pass
• Higher resistivity output vs separate beds
• Consistent ultra-low conductivity water
• Simplified system design and maintenance

This is the final polishing stage for high purity water systems.

Typical Applications

• Laboratory ultrapure water systems
• Dental equipment water purification
• Camera lens and optical cleaning
• Metal and precision parts cleaning
• Beverage processing applications
• Final polishing in demineralization systems

Performance Insight

• Optimized 40/60 cation-to-anion ratio ensures balanced ion removal
• Designed for stable operation within 8–40 BV/h service range
• Hydraulic performance supports predictable pressure drop and backwash expansion behavior under varying temperatures

Why Choose FWXME15 Over Standard DI Resin

Most DI setups require separate beds and complex handling.

FWXME15 simplifies everything:

• Separate resins → more complexity, less consistency
• FWXME15 → pre-balanced, ready-to-use, consistent output

Trade-off:

• Not designed for bulk primary treatment
• Best used as a polishing or high-purity stage

Frequently Asked Questions (FAQs)

What is mixed bed resin used for?

For ultra-pure water production, removing both cations and anions in a single stage.

Is this ready to use out of the bag?

Yes. It is pre-mixed and requires no blending.

Where should this be used in a system?

Typically as a final polishing stage after RO or demineralization.

What makes this better than separate resin beds?

It provides higher purity water and more consistent output in a compact setup.

What industries use this resin?

• Laboratories
• Medical and dental
• Precision cleaning
• Beverage production