USD $10.00-20.00 / Kilogram
USD $10.00-15.00 / Kilogram
USD $100.00-150.00 / Kilogram
USD $15.00-50.00 / Kilogram
USD $100.00-150.00 / Kilogram
USD $15.00-50.00 / Kilogram
USD $10.00-10.00 / Kilogram
USD $100.00-150.00 / Kilogram
USD $15.00-50.00 / Kilogram
items |
specification |
|||||
product name |
zinc oxide |
|||||
molecular fomula |
zno |
|||||
zno content %≥ |
99.8 |
99.8 |
99.7 |
99.5 |
99 |
|
lead (pb) %≤ |
0.003 |
0.005 |
0.037 |
0.04 |
0.15 |
|
copper oxide (cu) %≤ |
0.0001 |
0.0001 |
0.0002 |
0.0004 |
0.0004 |
|
manganese oxides (mn) %≤ |
0.0001 |
0.0001 |
0.0001 |
0.0001 |
0.0001 |
|
hcl insoluble substance %≤ |
0.004 |
0.006 |
0.012 |
0.015 |
0.05 |
|
loss on drying %≤ |
0.12 |
0.2 |
0.2 |
0.2 |
0.2 |
|
water soluble substance %≤ |
0.01 |
0.1 |
0.1 |
0.2 |
0.2 |
|
105℃ volatile matter %≤ |
0.06 |
0.1 |
0.3 |
0.4 |
0.4 |
|
bet m2/g %≥ |
60 |
55 |
50 |
45 |
40 |