Polymeric Adsorbent for Removal of Organics from Humid Air Streams.DOWEX OPTIPORE V503 is a 1.0 mm diameter, spherical bead material, designed to give lower pressure drop in vapor phase applications while retaining all the other attributes of the smaller particle size adsorbent, DOWEX OPTIPORE V493.In contrast to activated carbon, DOWEX OPTIPORE V503 adsorbent can be used to adsorb reactive solvents without catalyzing their decomposition, due to its extremely low mineral ash content.Because DOWEX OPTIPORE V503 is a powerful adsorbent, it may adsorb odors and solvents during transportation and storage. The adsorbent can be precycled through a regeneration cycle prior to use to remove these materials.