OB-FP-127
Optical Brightener FP-127 is widely used for whitening various plastic products, especially for flex PVC and PS, which have better affinity and whitening effects. It has excellent whitening and brightening effects for synthetic leather.
Key Features
Technical Specifications
| C.I. NO. | C.I. 378 |
| CAS Number | 40470-68-6 |
| Appearance | Yellow powder |
| Purity | ≥99% |
| Melting Point | 219-221°C |
| Volatility | ≤0.5% |
Physical Data & Fastness Properties
| Ash | ≤0.5% |
| Max Absorption Wavelength | 375nm (in ethanol) |
| Max Emission Wavelength | 436nm (in ethanol) |
| Heat Resistance | Good |
| Light Fastness | Good |
| Weather Fastness | Good |
Applications
- Flexible PVC
- Polystyrene (PS)
- Synthetic leather
- ABS plastics
- Paints and coatings
- Printing inks
- Wallpaper PVC plastisol
Usage Instructions
PVC/PS White: 0.02-0.05%, Transparent: 0.0002-0.002%. ABS Natural: 0.02-0.05%, Transparent: 0.0025-0.005%. Commonly used: 0.01-0.05%. Due to the dosage amount being small, please mix thoroughly for the best effect. When using any UV absorb additive, the dosage of FP-127 should be adjusted.
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