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(1) fluorescent brightenening agent vbl is a typical representative of bis(triazinylamino)stilbene derivative. (2) it can be soluble in 80 times soft water and shows anion character and the ph value resistant to acid and alkali is 6-11 and the expected ph value of dyeing bath is 8-9.

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.

We claim: 1. a non-fluorescent ink composition for a writing instrument comprising a non-fluorescent pigment pre-dispersed in an alkyd resin, a high boiling point hydrocarbon solvent, and at least one stabilizer selected from the group consisting of antioxidants and anti-skinning agents, wherein the stabilizer of the ink composition prevents the alkyd resin from polymerizing, and the ink …

Alibaba offers 3,009 solvent base ink pigment products. about 46% of these are printing inks, 19% are pigment. a wide variety of solvent base ink pigment options are available to you, such as water based ink, titanium, and iron oxide.

Considering the fact that the enterprise established, we've got been committed to 4BK optical whitening agent for cotton factory in China sales and service, we've got consistently adhering towards the "quality 1st, service first" organization philosophy to serve our clients and usually place this philosophy throughout our 4BK optical whitening agent for cotton factory sales and after-sales service. We are among the list of most effective and substantial marketplace network of modern day integrated 4BK optical whitening agent for cotton factory solution sales company. Welcome your inquiry!


Given that the organization established, we have been committed to 4BK optical whitening agent for cotton factory in China sales and service, we've consistently adhering for the "quality initial, service first" organization philosophy to serve our prospects and generally put this philosophy all through our 4BK optical whitening agent for cotton factory sales and after-sales service. We are among the most strong and comprehensive industry network of modern day integrated 4BK optical whitening agent for cotton factory item sales corporation. Welcome your inquiry!

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