DI Resin MB Color Changing (1 cubic ft / 40 lbs)

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DI Resin Mixed Bed Color Changing - 1 Cubic Foot / 40 pounds
8 x 5 pound bags of Premium MBD-30 nuclear grade mixed bed DI resin. This is enough resin to refill thirty-two 10 inch clear refillable cartridges.

Standard Features MBD-30 is a self indicating mixed bed resin. It is a mix of nuclear grade hydrogen and hydroxide form resins. The anion resin is a Type I strongly basic gel resin with an indicator dye that changes from blue to colorless as the resin exhausts. The cation component is a strong acid sulfonated polystyrene gel type cation exchange resin. During exhaustion, as the indicator dye changes color, the appearance of the mixed bed changes from a green color to a violet color. Many manufacturing processes require high purity water for washing, rinsing and test purposes. Not all processes requiring demineralized water need the ultimate quality. However, they may require multi-megohm resistivity water.

MBD-30 is designed to provide demineralized water with a resistivity in excess of 10 megohm. It is specially intended for use in cartridge applications with clear (see through) housings. Such systems are typically designed without meters and rely on the changing color of the mixed bed resin to indicate exhaustion. In typical operation there is a safety line at the exit end of the cartridge, and when the color change reaches that level, the cartridge is considered exhausted and exchanged for a fresh cartridge. The actual quality that is obtained depends on the manner in which the cartridge is configured. A constant supply of high purity water can be obtained by using two cartridges in series, and allowing the first cartridge to completely change color. During this operation the second cartridge insures that the water leaving the system is of the highest purity. New cartridges are placed into the polishing position and the remaining cartridge is put into the roughing position. This insures complete utilization of all the exchange capacity, which lowers operating costs while increasing average quality. MBD-30 is manufactured from nuclear grades of gel Type I strongly basic anion resins and strongly acidic sulfonated polystyrene gel type cation exchange resins.

Dimensions and Weight 40 pounds of resin in eight 5 pound bags