oil drilling grade zinc carbonate 57.5%
zinc carbonate basic used as corroxion inhibitor and desulpharization agent in oil explotiation,activator and desulphurization agent in chemical fertilizer production aslo widely used in paint and other chemical industry and ,rubber industires.Propertieswhite or yellowish fine amorphous powder, smell-less, tasteless. The proportion is 4.42-4.45, does not dissolve in water and alcohol, slightly soluble in ammonia, can dissolve inthe diluted acid and the sodium hydroxide.
Quality Standard:
ITEMS | INDEX | ||
High-Class | First-Class | Qualified | |
Zn % ≥ | 57.5 | 57.0 | 56.5 |
Loss on dry | 25.0-28.0 | 25.0-30.0 | 25.0-32.0 |
Pb content % ≤ | 0.04 | 0.05 | 0.05 |
Moisture ≤ | 2.5 | 3.5 | 5.0 |
So4 % ≤ | 0.60 | 0.80 | - |
Fineness through 75 um Screen ≥ | 95.0 | 94.0 | 93.0 |
Cd content % ≤ | 0.10 | - | - |
advantage:
products quality best ,low content of heavy metal,best package in China,lowest price on the basis of good quality
main market: Iran ,indonesia ,The United Arab Emirates Russia ,Brazil Greece,Italy ,South africa.Canada ect.
Packing: in 25kg pp bags,one fcl can be loaded 18mts zinc carbonate without pallets. if with pallets can be loaded 17mts in one 20fcl.
Welcome to inquiry.
regards,
H.J
zinc carbonate basic 57.5%