1. High purity (99.5%) 2. High whiteness (90) 3. Low hardness 4. Neutral

SPECIFICATION                                                                THE TEST RESULTS

ITEM                                                                                       OF ANALYSIS

NA2SO4                                                                                       99.5 PCT

CALCIUM AND MAGNESIUMAS ON MG                                0.01 PCT

CHLORIDEAS ON CL                                                                 0.02 PCT

IRONAS ON FE                                                                         0.0001 PCT

WATER INSOLUBLE MATTER                                                    0.001 PCT

MOISTURE                                                                                     0.03 PCT

WHITENESS                                                                                      90

PH                                                                                                       6~8

sodium sulphate anhydrous