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Whitening agents / optical brighteners are additives that impart brightness to polymers and intensify the degree of whiteness. these agents function on the basis of the ‘fluorescence effect’; they absorb light in the uv spectrum and emit light in the blue region of the visible spectrum to yield a brighter and fresher appearance to the plastic.

Alibaba offers 142 optical brightener agent vbl products. such as free samples, paid samples.

6. a fluorescent pigment according to claim 4 or claim 5 wherein the cross-linker is glycerine, pentaerythritol, dipentaerythritol, or trimethylolpropane. 7. an ink containing a solvent for the ink and a pigment according to any one of the preceding claims, the solvent being such as not substantially to solubilize the pigment. 8.

Oba speciality chemicals is a leading fluorescent whitening agent, fluorescent whitening agent manufacturers, fluorescent whitening agent exporters & fluorescent whitening agent suppliers in ahmedabad, gujarat, india.

OB fluorescent brightening agent for rubber manufacturer in Vietnam manufacturer with years's experience, from China.We mainly supply OB fluorescent brightening agent for rubber manufacturer in Vietnam with top quality and competitive value.we've a professional OB fluorescent brightening agent for rubber manufacturer in Vietnam product designers.Our item is by way of the national specialist certification.


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