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Whitening agent /optical brighening agent /fluorescent brightener 199:2 cas no:13001-40-6 oba for polyester oba for polyester chemical name: 1.4-bis-o-cyanostyryl-benzene formula: c 24 h 16 n 2 appearance: yellow powder melting point: 289 ~ 291 purity: 99.0%(min) application: suitable for the whitening and brightening of polyester, acetate and nylon fibers and for …

Synonyms: 1,4-bis(benzo[d]oxazol-2-yl)naphthalene; fluorescent brightener 367; optical brightener kcb is an improved substitute of current widely used various optical brighteners. it’s extremely effective in brightening and present blue optical light when mixed in synthetic fiber …

Titanium dioxide anatase manufacturer/supplier, china titanium dioxide anatase manufacturer & factory list, find qualified chinese titanium dioxide anatase manufacturers, suppliers, factories, exporters & wholesalers quickly on made-in-china. ... 5-50 people (191) 51-200 people (164) 201-500 people (54) 501-1000 people ...

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