Morwet® D-400 Powder is a sodium alkyl naphthalene sulfonate condensate (NSC), it is a cost effective version of Morwet® D-425.
| Appearance | Powder at 20°C |
| Moisture | ≤ 3 % |
| pH | 7.5-10.0 (5% in water) |
| Active content | ≥ 72.5 % |
| Salt content | ≤ 22.0 % |
| Foam Height according to Ross-Miles | immediately: 70 mm; after 5 min: 45 mm, 25°C, 0.05% in de-ionised water, immediately: 35 mm; after 5 min: 25 mm, 25°C, 0.05% in Standard Water D |
| Surface Tension according to Du Noüy, 25°C, 0.1% DIN 53914 | 60 mN/m |
| Wetting power according to Draves, 25°C, 0.1% | ≥5 min |
Dispersion
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