IMAC® is a weak base anion exchange resin that is used in food processing.

Type Matrix
Weak Base Anion Polystyrene divinylbenzene copolymer

  

Properties Units Free Base (FB) Form
Total exchange capacity[1] eq/L ≤ 1.40
Moisture holding capacity[1] % 50 to 58
Specific gravity - 1025 - 1055
Shipping weight g/L 640
Fines contents[1] mm < 0.300 : 1.0% max
Coarse beads mm > 1.000 : 5.0% max
Uniformity coefficient - ≥ 1.70
Harmonic mean size µm 480 - 700
[1] Contractual value. Test methods are available on request.