MB400 is a high quality resin mixture for direct purification of water. The residuals produce average conductivity values of about 0.1us/cm for a major portion of the service run which may be extended depending up on the final water quality acceptable
| Items | Units | OH–Form | H+ Form |
| Polymer Matrix Structure | --- | Gel PolyStyrene Crosslinked with DVB | |
| Functional Group | --- | Quaternary Amine | Sulfonic acid |
| Volume ratio | --- | 60% | 40% |
| Total Exchange Capacity, min. | eq/l | 1.15 | 1.9 |
| Water Retention Capacity | % | 53-60 | 45-50 |
| Particle Size Distribution | --- | --- | --- |
| >1.25 mm max. | % | 5 | 5 |
| < 0.40 mm, max | % | 2 | 2 |
| Whole Bead Count, min. | % | 95 | 95 |
|
Moisture Content as shipped, max |
% | 65 | |
| PH Range, Stability | --- | 0-14 | |
| Shipping weight (approx.) | g/l | 700-750 | |
| Operating temperature | --- | ||
| Ionic conversion, min. | 100°C (212°F) max. | ||
| regenerative bed | 60°C (140°F) max. | ||
| Ionic conversion, min. | % | 90 | 95 |
It is mainly in ultra pure water production.