optical bleaching agent KCB for EVA

Product Name Optical Brightening Agent KCB Chemical Name 1,4-Bis(2-benzoxazoly)naphthalene CAS No. 5089-22-5 C.I. No. 367 Structural Formula Molecular Formula C24H14N2O2 Molecular Weight 362 Properties Comprehensive application field, good compatibility with all kinds of plastic, excellent stability under all kinds of climate. Technical Index Appearance:yellow crystalline powder Melting Point:210-212°C Purity:≥99% Maximum UV Absorption Spectrum:370nm Uses mainly be used in