Weak Base Anion Resin, Polystyrenic Macroporous, Free Base Form

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ResinTech SX-A70-FB is a styrenic macroporous weak base anion resin in the free base form. A standard demineralization process with inversion benefits from the use of the ResinTech SX-A70-FB because of its high acid neutralization capacity and fast kinetics.

  • Sucrose acid neutralization

Typical Properties

Polymer Matrix Styrenic Macroporous
Ionic Form Free Base
Functional Group Dimethylamine
Physical Form Spherical Beads
Color White to Tan
Particle Size 16 to 50 US Mesh (297 - 1190 μm)
Minimum Sphericity 95%
Uniformity Coefficient 1.6
Reversable Swelling Free Base → HCl 15% to 25%
Temperature Limit 212°F (100°C)
Total Exchange Capacity (meq/mL) 1.8
Moisture Retention 52% to 63%
Shipping Weight 39 - 41 lbs/ft³ (625 - 657 g/L)

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