【molecular formula】: ZnO
【molecular weight】: 81.37
【properties】: white powder
【Usage】: used in chemcial industry,such as,rubber, dope, cable, porcelain enamel,petroleum,glass and others
【package】: plastic weaving bags,and packed with inside plastic film bags。
【specification】: net weight is 18.0±0.5kg/per bag or 50kg or 1000kg or 1100kg。
direct method zinc oxide quality standard fits GB/T3494-1996
Index item |
ZnO-X1 |
ZnO-X2 |
ZnO-T1 |
ZnO-T2 |
ZnO-T3 |
zinc oxide（counted by dry products） %≥ |
95.50 |
92.50 |
95.50 |
92.50 |
98.00 |
plumbum oxide(PbO)%≤ |
0.0.0008 |
0.0008 |
-- |
-- |
-- |
cadmium oxide(CdO) %≤ |
0.0005 |
0.0005 |
-- |
-- |
-- |
cuprum oxide(CuO) %≤ |
0.001 |
-- |
-- |
-- |
-- |
manganese(Mn) %≤ |
0.0010 |
-- |
-- |
-- |
-- |
zinc（counted by Zn） %≤ |
no |
no |
no |
-- |
-- |
hydrochloric acid undissolved substance %≤ |
0.03 |
0.04 |
-- |
-- |
-- |
ignition loss %≤ |
0.4 |
0.6 |
0.4 |
0.6 |
-- |
undissolved substance %≤ |
0.4 |
0.6 |
0.4 |
0.6 |
0.8 |
residue on sieve （45um mesh） %≤ |
0.28 |
0.32 |
0.28 |
0.32 |
0.35 |
105℃ volatile matter %≤ |
0.4 |
0.4 |
0.4 |
0.4 |
0.4 |
hiding power g/m2≤ |
-- |
-- |
150 |
150 |
150 |
oil absorption g/100g≤ |
-- |
-- |
18 |
20 |
20 |
achromatic power （compared with samples）%≥ |
-- |
-- |
100 |
95 |
95 |
color（compared with samples）%≥ |
-- |
consilient standard samples |
 |
