Indion NIP is a Type 2 strong base anion exchange resin in bead form having benzyl dimethyl- Ethanol ammonium groups. These groups are less strongly basic than those in Type 1 resins, resulting in a higher regeneration efficiency with lower operating costs. Indion NIP is based on cross- Linked polystyrene, and has an isoporous structure. Indion NIP has a high capacity for the natural organic matter present in some surface waters and has excellent resistance to poisoning by this organic matter. It is used in two stage de- Ionising and mixed bed de- Ionising Characteristics: Appearance : Transluscent red brown beads Matrix : Styrene -EDMA copolymer Functional Group : Benzyl dimethyl ethanol amine Ionic form as supplied : Chloride Operating pH range : 0 to 14 Resistance to reducing agents : Good Resistance to oxidizing agents : Generally good, chlorine should be absent.