Optical Brightener OB‑1

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Optical Brightener OB‑1

Model: OB‑1
Unit: 25KG/drum

Appearance: Green powder

Performance

Improve surface whiteness, provide UV resistance, reduce short‑term discoloration.

Application Range

Mainly used for PVC ceiling panels, wall panels, profiles and other products.

Product Process

Optical brightener, commonly known as white dye, belongs to fluorescent dyes, a class of complex organic compounds for boosting whiteness and luster of materials. Its working principle: it excites incident light to generate fluorescence, giving materials a sparkling fluorite‑like visual effect and presenting bright‑white appearance to naked eyes. It is widely applied in papermaking, textiles, detergents and other industries.

Technical Index

Item	Technical Standards	Test Result
Appearance	Yellow powder	Yellow powder
Content	≥98.5%	98.88%
Melting point	355℃‑360℃	357.4℃‑358.8℃
Volatile content	≤0.5%	0.26%
Ash content	≤0.5%	0.25%
Transmittance (500nm)	‑	99.3T%

Storage

Store in cool, dry and ventilated warehouse. Keep away from fire and oxidants. Storage and transportation shall comply with general chemical regulations.

Product Meta

Category: Additives and Masterbatch