optical brightener FP-127 378

optical brightener FP-127 378

Chemical name: two styrene based bis oxazole
Molecular formula: C30H26O2
Molecular weight: 418.5262
CAS: 40470-68-6
Properties: Light yellow crystalline powder, insoluble in water, odorless, stable performance; maximum absorption spectrum wavelength 368 nm, maximum emission wavelength 436 nm.
Technical indicators:
Standard: HG/T 3725-2012
Appearance: pale yellow crystalline powder
Chromatic light: blue violet light
Melting point: 219-221 C
Content: 99%
Ash: less than 0.5%
Volatile: less than 0.5%
Acid and alkaline resistance: strong acid and alkali resistance.
Usage:
This product has a good whitening effect on all kinds of plastics and plastic products, and the whitening effect on PVC plastic products is even better. Mainly for artificial leather, leather products whitening and brightening effect is particularly ideal, and has a long-term storage of non-yellowing, non-fading advantages.
Consumption:
The dosage can be selected according to the whiteness requirement. The following is the recommended dosage: PVC: whitening: 0.01-0.05% (10-50g/100kg material); transparency: 0.0001-0.001% (0.1-1g/100kg material)
Packaging: 25kg cardboard drum packaging; store in a cool and dry place.

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