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Optical Brightening Agents(BBU)

 Commodity Name  Testing Item  Standard spec  Typical result
 BBU (C.I.220)  Fluorescent intensity  100  120
 Color shade  Similar to Slightly
 Different		  Slightly Different
 Moisture content  5.0%  4.80%
 Whiteness (equivalent to standard
 sample)		  -3    -1
 water insoluble impurities  0.2  0.1
 the limitation of 10 kinds of heavy metals
  (mg/kg)		  Conform to the standard
 GB20814		  Conform to thestandard
 GB20814
 the limitation of 23 kinds of  harmful
 aromatic amines (mg/kg)		  Conform to the standard
 GB19601		  Conform to thestandard
 GB19601
 Appearance  Light yellow uniform
 powder		  Light yellow uniform
 powder
Optical brightening agents(BBU) | Optical brightening agents(CXT) | Optical brightening agents(BA-L) | Optical brightening agents(BA) | Optical brightening agents(APC) | Stiemap
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