Food grade corn starch: GB/T********8
 
Item
Superior Grade
Grade I
Grade II
Appearance
White powder or with light yellow shadow, lustrous
Odor
With a special inherent odor of corn starch, no peculiar smell
Physiochemical indexes
Item
Index
Superior Grade
Grade I
Grade II
Moisture, % ≤
*4.*0
*4.*0
*4.*0
Acidity (dry basis) /. T ≤
1.*0
1.*0
2.*0
Ash (dry basis) /% ≤
0.*0
0.*5
0.*8
Protein (dry basis) /% ≤
0.*5
0.*5
0.*0
Spot spots/cm2 ≤
0.4
0.7
1.0
Fineness**0μm (**0 mesh) pass rate, % ≥
*9.5
*9.0
*8.5
Fattiness (dry basis) /%          ≤
0.*0
0.*5
0.*0
Whiteness
**0NM Blue ray reflectivity % ≥
Yellow maize
*8.0
*7.0
*5.0


Industrial grade corn starch: GB*********0
 
Item
Superior Grade
Grade I
Grade II
Appearance
White powder or with light yellow shadow, lustrous
Odor
With a special inherent odor of corn starch, no peculiar smell