MR-450 UPW is a high-performance mixed bed ion exchange resin filter designed for ultrapure water applications. It is suitable for systems requiring low conductivity and minimal organic residues. This housing-type cartridge provides efficient ion removal through a uniform mixture of strong acid cation and strong base anion resins.
Mixed bed ion exchange resin for ultrapure water systems
Uniform particle size for stable performance
High total exchange capacity (H⁺ form: ≥ 1.9 eq/L, OH⁻ form: ≥ 1.0 eq/L)
Maximum operating temperature: 60°C (140°F)
Maximum pressure resistance: 250 psi
Long service life and low pressure drop
Optimized for use after RO systems or DI polishing
Product Name: MR-450 UPW (Housing Type)
Cartridge Length: 250 mm
Outer Diameter: 69 mm / Inner Diameter: 27 mm
Recommended Exchange Cycle: 1 year
Volume: Approx. 0.6 L
Maximum Flow Rate: 10–60 m/h (4–24 gpm/ft²)
Recommended Service Rate: 20–30 BV/hr (1 BV = 1 L solution per L resin)
Conductivity Rinse: ≤ 0.055 μS/cm
TOC Rinse Level: ≤ 4 ppb
Final stage purification in ultrapure water production
Semiconductor and electronics rinse water
Laboratory-grade DI water systems
Polishing stage for RO systems
The product may be delivered with either DOW or DUPONT branding due to company merger; performance and specifications remain the same.
Ensure proper pretreatment such as RO before use for best performance and resin lifespan.
Rinse thoroughly before use to meet target conductivity levels.