ResinTech – Weak Acid Cation Resins – WACMP

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ResinTech WACMP is a hydrogen form macroporous weak acid cation resin. WACMP is an exceptionally high capacity resin and can be regenerated at close to 100% acid efficiency. WACMP has low swelling and high physical strength when compared to gel weak acid cation resins. It is intended for all hydrogen cycle dealkalizer applications, as a component resin in complex demineralizers, and for metals removal in waste treatment applications (when ordered in the sodium form).  WACMP is available in the hydrogen form or in the sodium form (when ordered as WACMP-Na).


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Manufacturer ResinTech Inc
Series Resin
Model Number Weak Acid Cation Resin
Part Number WACMP

Polymer Structure Acrylic/DVB
Polymer Type Macroporous
Functional Group Carboxylic Acid
Physical Form Spherical Beads
Ionic Form (as shipped) Hydrogen
Total capacity > 4 meq/mL (H Form) / > 2.2 meq/mL (Na Form)
Water Retention 43 to 60 percent (H Form) / 43 to 60 percent (Na Form)
Approximate Shipping Weight 47 lbs/cu.ft. (H Form) / 46 lbs/cu.ft. (Na Form)
Swelling 50 to 60 percent Na to H
Screen Size Distribution 16 to 50 (U.S. Mesh)
Maximum Fines Content 1 percent (less than 50 Mesh)
Minimum Sphericity 93 percent
Uniformity Coefficient 1.7 (Approximate)
Resin Color White to tan

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