Hopebright APC
Main ingredients: distyrene derivative
C.I. No.: 220#
Specification:
| Item | Standard | |
| Appearance | Amber transparent liquid | |
| Ionic Character | Anionic | |
| Ph value | 8-10 | |
| E Value | ~130 | |
| Whitenes s(WCIE) (equivalent to stand sample) | ≥ -3.0 | |
| Viscosity (25℃), mPa.s | ≤ 50 | |
| Density, g/cm3 | 1.0-1.2 | |
Key Features and Typical Benefits:
1. Easy to use, miscible with water in any proportion, suitable for automatic continuous addition and metering.
2. Excellent acid-resistance and excellent whitening effect even in low pH value solution.
3. Advanced nanofiltration membrane technology is applicationed for this material and has low salinity and better storage stabilty under normal temperature.
4. Compared with other products, FWA—APC has better sunlight fastness and alkaline- resistance.
5. Kept stable above 0℃and icelized under -3℃, but have no influence on its usage when hearted and dissolved again.
Application:
1. Fluorescent whitening for paper pulp bleaching.
2. Fluorescent whitening in the process of surface gluing.
3. Fluorescent whitening in the process of coating.
4. Can be used for cotton fabric, exhaust and continues application.
Dosage:
1. It can be added directly into the pulp, the usual dosage: 0.05-1.2% on dry pulp
2. In surface sizing, it can be used together with PVA, CMC and starch to obtain better whitening effect. The usual dosage: 0.5~10g/L.
3. In the coating process, it can be added in any stage. It will get better effect when used together with PVA, CMC and starch. The usual dosage: 0.1-1.4% on dry white pigment.
4. For cotton fabric, dosage is about 1.0-10.0g/L.
Package and storage:
230kg/plastic drum, 1100kg/IBC drum, or as required. Stored in cool, dry and ventilated conditions. Shelf life is 6 months.
