Specifications:
(1) Grade A: 100% pure
a) Nature white, no obvious spot
b) Moisture: less than 6%
c) Maximum granule diameter: 0.154mm
d) SO2 content: 50ppm (max.)
e) Bacteria: less than 10000/g
(2) Grade B: 100% pure
a) Yellowish, no obvious spot
b) Moisture: less than 6%
c) Maximum granule diameter: 0.154mm
d) SO2 content: 50ppm (max.)
e) Bacteria: less than 10000/g
Inner packing: 12.5kg/2 aluminum foil bags
Outer packing: 25kg/carton or packing at buyer's option