IITEM                                                                 SPECIFICATIONS

Appearance       A white or off-white powder, no visible evidence of  contamination by  foreign matter 

Identification                                                           Conform

PH                                                                              4.0-8.0

Viscosity                                                                    14.0-16.0co.s

Water-insoluble                                                       <=0.5%

Loss on drying                                                          <=5.0%

Residue on ignition                                                  <=1.5%

Heavy  metal                                                              <=0.001%

Arsenic                                                                          <=0.0002%

Methoxy                             19.0% to 24.0% CH3O calculated on the anhydrous basis

Hydroxypropoxy                  4.0% to 12.0% C3H7O2 calculated on the anhydrous basis

Total microbial  count                                                <=100CFU/gram

Total mold and yeast                                                 <=100CFU/gram