Optical Brightener BBU For Paper,CAS No. 16470-24-9 widely used in the paper industries to enhance whitening effects of papers,can be dissolved in 3-5 times boiling water, and its solubility is 300 g per liter in boiling water and 150 g per liter in cooling water.Ogilvy Chemical supply bulk high-grade lower price optical whitening agent for Paper Industry.
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