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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.

Nov 14, 2020 · pls send inquiry of optical brightening agent 4pl-c cas:16470-24-9-1 to [email protected] of visit www.nbinno our official website should you have any interests, thank you! related news: this means that the drug attributes of the drug substance will be lost in the future, and the monopoly power of some drug substances will also be lost.

Nov 12, 2020 · buyers can post inquiries without registration and check out all the latest buying guide & chemical market reports you need in our industry resource center. the above is the search results for chinese optical brightener, click for more recommended manufacturers & suppliers listings such as fluorescent brightener, fluorescent whitening agent, ob-1.

Optical whitening agent manufacturer, megha international is one of the leading manufacturer & exporter of non optical whitening agent from india

Factory for KSN fluorescent brightening agent for pvc cable in Vietnam exporter from China, we're by far the most professional supplier from USA with ISO9001 Certification. Also the merchandise have been certified by mutiple security certification.We are going to present our Factory for KSN fluorescent brightening agent for pvc cable in Vietnam priducts in top-quality and most favourable value.


Factory for KSN fluorescent brightening agent for pvc cable in Vietnam Supplier with a higher organization reputation,from China.Our merchandise include things like:Factory for KSN fluorescent brightening agent for pvc cable in Vietnam Goods are mainly exported to European countries,it is actually popular in quite a few nations.

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