DuPont Dow Resin – AmberLite SD-2 Polymeric Adsorbent

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Food-grade, Macroporous, Adsorbent Resin for Sucrose and Other Sweetener Applications

AmberLite SD-2 Polymeric Adsorbent has a high specific surface area and high porosity and exceptional mechanical, thermal, and chemical stability. It is specially designed for decolorization as well as taste and odor removal in sweetener applications. AmberLite SD-2 complies with the U.S. Food, Drug and Cosmetic Act as amended under Food Additive Regulation 21 CFR 173.25.

This adsorbent has similar pore size distribution and adsorption properties to activated carbon so that it can be used as a direct replacement for carbon in many sweetener applications. AmberLite SD-2 has the additional advantage of containing macropores which improve the bulk movement of solutions in and out of the bead. The resulting improvement in kinetics leads to faster production flowrates and smaller beds.

The adsorbent is lightly functionalized with weak base groups to provide a hydrophilic character that gives the adsorbent good wettability and compatibility with acid and base regenerants. Regeneration requires only dilute caustic, dilute acid, and hot water.

More detailed information on the use of AmberLite SD-2 adsorbent for a particular application can be obtained from your DuPont technical contact or sales representative.




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Manufacturer DuPont - Dow
Series AmberLite Polymeric Adsorbent
Model Number SD-2
Part Number SD-2
Description Typical Properties:
Physical Properties:
Copolymer Crosslinked acrylic
Matrix Macroporous
Type Organic scavenger
Functional Group Trimethylammonium
Physical Form White, opaque, spherical beads
Chemical Properties
Ionic Form as Shipped Free base (FB)
Total Exchange Capacity ≥ 0.9 eq/L (HCl form)
Water Retention Capacity 66 – 76% (FB form)
Particle Size
Particle Diameter 600-800 μm
< 300 μm ≤ 1.0%
> 1180 μm ≤ 5.0%
Whole Uncracked Beads ≥ 95%
Swelling FB → HCl : 25%
Particle Density 1.06 g/mL
Shipping Weight 640 g/L

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