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We are an energetic company with wide market for whitening agent 378, optical brightener ob-1 cas 1533-45-5, plastic whitening agent, whitening agent kcb for polyeste, our advantages are our innovation, flexibility and reliability which have been built during last 20 years. we focus on providing service for our clients as a key element in ...

The whitening effect of optical brightener agent could be estimated by visual method which better under the sunlight or measure by colorimeter. 3.light fastness there is no international standard for testing optical brightener lightfastness in plastics.most tests used din 54004 for reference.

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.

Our company primarily engaged and export competitive price ER I optical brightener agent for white masterbatch. we depend on strong technical force and continuously develop sophisticated technology to meet the demand of competitive price ER I optical brightener agent for white masterbatch prospects. We're sincerely welcome mates from a variety of circles at household and abroad come to cooperate!


Our enterprise primarily engaged and export competitive price ER I optical brightener agent for white masterbatch. we depend on robust technical force and continually develop sophisticated technologies to meet the demand of competitive price ER I optical brightener agent for white masterbatch prospects. We are sincerely welcome mates from several circles at property and abroad come to cooperate!

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