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юридически?услуги
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optical brightener KCB
юридически?услуги
4.4-bis(benzoxazolyl-2-yl)naphth-alene
Brightener KCB is mainly used in bright ening synthetic fibre and plastics, may be used in brightening plastic films materials of molding press into shape materials of injection mold, may be also used in brightening polyester fiber, dye and natural paint.
Properties:
Its appearance is of yellow green powder, bright-colored blue with white light. Its melting point is 212ЎЖC. It is unsolvde in water. The maximum length of absorbing spectrum.

Technical conditions:
Appearance: yellow green powder
Chromatic light: Bright-colored blue with white light(approximate to standard sample)
Melting point: 210-212ЎЖC
Solid content: ЎГ99.5%
Fineness: Through 100 meshes
Industrial field dye & pigment
Beijing Prina Chemical Co.,Ltd
Phone +86-10-67861162
Fax +86-10-67862874
Homepage http://www.bjprina.com
E-mail dilong@bjdilong.com
Address Huangcun town,Daxing district ,Beijing,China
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