Color-Indicating DI Mixed Bed Resin, Polystyrenic Gel, Hydrogen & Free Base Form

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ResinTech MBD-35 is a 2:3 volumetric mixture of CG8-H-ID (a dyed hydrogen form cation resin) and SBG1P-OH (a hydroxide form type 1 porous strong base anion resin). The cation component is infused with a permanent pH indicator dye that changes color from royal purple to amber as the resin exhausts. MBD-35 is intended for use in cartridge applications where a color indication of resin exhaustion is desired.

  • Cartridge Applications

  • Aquarium

  • Steam Irons

Typical Properties

Polymer Matrix Styrenic Gel
Ionic Form Hydrogen & Hydroxide
Functional Group Sulfonic Acid / Trimethylamine
Physical Form Spherical Beads
Media Combination CG8-H-ID (40%) and SBG1-OH (60%)
Color Amber & Purple
Particle Size 16 to 50 US Mesh (297 - 1190 μm)
Reversable Swelling H/OH → Na/Cl -15% to -17%
Temperature Limit 250°F (121°C)
Total Exchange Capacity (meq/mL) 0.6
Moisture Retention 53% to 62%
Shipping Weight 42 - 44 lbs/ft³ (673 - 705 g/L)
REACH Registered YES
Regenerability TRUE

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