ITEMS IS-IT-I STANDARD TESTIGN RESULT
PREMIUM GRADE TOP-QUALITY GRADE QUALIFIED GRADE
APPEARANCE WHITE, GLOSSY ELIGIBLE
NAOH % MIN 99 98.5 98 98.6
NA2CO3% MAX 0.5 0.8 1.0 0.2
NACL % MAX 0.03 0.05 0.08 0.2
FE2O3 % MAX 0.005 0.008.
25 kg per bag,25 MT per 1*20 container.