Item Excellent Grade First-rate Grade
KOH *5.0% *0.0%
K2CO3 0.5 0.5
Cr 0.**5 0.**5
Fe 0.***5 0.***5
Nitrate 0.**5 0.**5
Na 0.8 0.8
SiO3 0.*1 0.*1
Al 0.**2 0.**2
Ca 0.**5 0.**5
Ni 0.***5 0.***5
Heavy metal 0.**2 0.**2
mainly used in alkaline batteries industry, soaps, high-class
detergents and cosmetics.industrial,medicine intermediate,
potassium chemicals, synthetic ruber, ABS resin, food additive
dyestuffs and so on