Other Name:
Fluorescent Brightener PF,Fluorescent Brightening Agent PFL, Optical Brightening Agent PF,Fluorescent Whitening Agent PF,OBA PF
Properties:
- Structure:a compound of benzoxazole type
- Melting point:187-189°C
- Solubility:insoluble in water,but soluble in dimethyl benzene, chloroben, DMF, dimethylphthalate and dibutyl phthalate.
- Resistance to acid and alkali:good
Applications:
- Optical Brightener PF is used in brightening PVC, PS, PP, polyester film, PE, ABS, organic glass, visiting card, high quality paper ,etc.
- Recommended concentrations is 0.05-0.5% depend on the application and degree of desired whiteness.
Technical Specifications
- C.I. No.: Fluorescent brightener 135
- Physical Form: light yellow powder crystal
- PHYSICAL PROPERTY
- Purity(%):>99.0
- Melting Point(℃): 187-189
- Volatile content:(%):0.5Max
- Ash content(%):0.1Max
Directions for use and dosage:
The dosage should be 0.03-0.1% on weight of plastic.Mix PF with the plastic you choose and then carry out the processing f the plastic.
