FR-Cell N is a co-processed mixture of microcrystalline cellulose (MCC) and carboxymethylcellulose sodium (Na CMC).
| Grade | Na CMC (%) | Sieve Analysis (% Retention) | Viscosity (cps) | |
|---|---|---|---|---|
| 60 mesh | 300 Mesh | |||
| FR-Cell N MCG 591 | 8.3-13.8 | Max. 0.1% | Max, 45.0% | 39.0-91.0 (1.2% solids) |
| Tests | Acceptance Criteria |
|---|---|
| Identification A | White, opaque dispersion |
| Identification B | White, opaque globule |
| Identification C | Deep yellow color |
| Identification C | No blue or purplish-blue color |
| Assay | 75.0%-125.0% (Dried basis) |
| Residue on Ignition | NMT 5.0% |
| Viscosity (centipoises) | 60.0%-140.0% |
| PH | 6.0-8.0 |
| Loss on Drying | NMT 8.0% |