Factory wholesale N,N-Bis(2-Hydroxyethyl)-P-Phenylenediamine Sulphate - 2,2′-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole with cas 1533-45-5 OB-1 – Unilong

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Factory wholesale N,N-Bis(2-Hydroxyethyl)-P-Phenylenediamine Sulphate - 2,2′-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole with cas 1533-45-5 OB-1 – Unilong Detail:

Brightening Agent OB-1 can absorb invisible ultraviolet light (wavelength range is about 360-380nm) and convert it into blue light or purple visible light with a longer wavelength, so it can compensate for the unwanted yellowish color in the matrix, and reflect more visible light with a wavelength of 400-600nm than the original incident light, so that the products appear whiter, brighter and more bright.
It is a high-efficiency fluorescent whitening agent for polyester fiber, and is widely used in ABS, PS, hips, PC, PP, PE, EVA and rigid PVC. It has excellent whitening effect, excellent thermal stability, and few additives.

Product Name:	2,2′-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole/ OB-1	Batch No.	JL20220322
Cas	1533-45-5	MF Date	Mar, 22, 2022
Packing	25KGS/DRUM	Analysis Date	Mar, 22, 2022
Quantity	1MT	Expiry Date	Mar, 21, 2024
ITEM	STANDARD		RESULT
Appearance	Yellow-green Powder		Conform
Purity	≥ 98.5%		99.1%
Melting Point	352~358℃		356℃
Fineness	Pass 200 mesh		Conform
Ash Content	≤ 0.3%		0.21%
Volatile Matter	≤ 0.5%		0.30%
Conclusion	Qualified

1.OB-1 is a new variety developed abroad, which is suitable for whitening and brightening of PE, PVC, ABS, PC and other plastics. Low dosage, strong adaptability and good dispersion.
2.It can be added during post-processing or polymerization. The whitened product has high whiteness and excellent heat resistance and weather resistance.
3.OB-1 can also be made into paste for textile whitening.

25kgs drum or requirement of clients. Keep it away from light at a temperature below 25℃.

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2-Phenoxyethanol