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Good price industrial grade Zinc Carbonate

Basic Info

Model No.:  industrial grade

Product Description

  • Model NO.: industrial grade
  • Certification: COA, RoHS, ISO
  • Purity: 90%~99%
  • Grade Standard: Industrial Grade
  • color: white
  • grade: industrial grade
  • mf: Znco3
  • EINECS: 235-179-6: 235-179-6
  • Trademark: sd
  • Specification: industrial grade
  • HS Code: 283699900
  • Solubility: Easily Soluble in Water
  • Classification: M2(OH)2CO3
  • Type: Zinc Carbonate
  • form: powder
  • sample: free
  • packing: 25kg/bag
  • CAS No.: 100-21-0
  • Molecular Weight: 549.11: 549.11
  • Transport Package: 25kg/bag
  • Origin: China
1. Basic details
product name:Basic Zinc Carbonate
Molecular Formula: ZnCO3.2Zn(OH)2.H2O
Molecular Weight: 549.11
CAS: 12122-17-7;5970-47-8
EINECS: 235-179-6
Appearance: White amorphous powder


2. Properties
It is fine white amorphous powder,odorless,tasteless.Proportion of 4.42-4.45,insoluble in water and alcohol,slightly soluble in ammonia,can dissolve in acid and sodium oxide.zinc carbonate (ZnCO3),a mineral ore of zinc.Historically,
smithsonite was identified with hemimorphite before it was realised that they were two distinct minerals.The two minerals are very similar in appearance and the term calamine has beenused for both,leading to some confusion.Smithsonite is a variably colored trigonal mineral which only rarely is found in well formed crystals.The typical habit is as earthy botryoidal masses.It has a Mohs hardnessof 4.5 and aspecific gravity of 4.4 to 4.5.Smithsonite occur as a secondary
mineral in theweathering or oxidation zoneof zinc bearing ore deposits.It sometimes occuras replacement bodies in carbonaterocksand as such may constitute zinc ore.It commonly occurs in association with hemimorphite,willemite,
hydrozincite,cerussite,malachite,azurite,aurichalcite and anglesite.It forms two limited solidsolution series,with substitution of manganese leading to rhodochrosite,and with iron,leading to siderite.


3. Application
1). It's specially used in transparent rubber products and foaming agent EVA because of its refractive index similar to
rubber.Special basic zinc carbonate can be used as a skin protective agent in medical applications.In the industry,it's used as light astringent and latex products,also is compound of calamine lotion.It can be used as main raw material of rayon production,desulfurizing agent in chemical fertilizer industry and catalyst production.
2). In the oil drilling,basic zinc carbonate reacts with H2S to form ZnS which is stable and insoluble,and that the mud slurry performance is not affected after adding basic zinc carbonate into the mud.So it can eliminate the pollution and corrosion of H2S effectively,also can be used as corrosion inhibitor and sulfur removal agent to process H2S in oil and gas wells.
3). Zinc carbonate can also be widely applied to rubber soles,rubber-plastic product accessories,pipe fittings,rubber plates,motorbike tires,belts,rubber band,ZPT,desulfurizer agent,zinc stearate,etc.


4. Advantage
1). Zinc carbonate basic
2). Manufacturer and trade integration
3). ISO and SGS certificate
4). Lowest price with best quality 
Performance of basic zinc carbonate:The product is white fine amorphous powder,odorless,tasteless,4.42-4.45 at relative density,insoluble in water and alcohol,slightly soluble in ammonia,soluble in dilute acid and sodium hydroxide,
and reacts with 30% hydrogen peroxide to release carbon dioxide and form peroxide.


5. Specification sheet
Index Item Medical grade Feed additive desulfurizer rubber Industrial 
Main content(as Zn),%, ≥ 57~58% 57~58% 57~58% 55~57% 55~57%
Losses on ignition, %,≤ 25~28% 25~28% 25~28% 25~32% 28~35%
Heavy metal(Pb), %,≤ 0.001~0.01% 0.001~0.01% 0.05~0.1% 0.1~0.2% 0.2~0.4%
Cd ,%, ≤ 0.001% 0.001% --- --- ---
Water ,%, ≤ 1.0~2.0% 1.0~2.0% 2.0~4.0% 2.0~4.0% 3.0~5.0%
Sulfate(SO42-),%, ≤ 0.05~0.60% 0.05~0.60% 0.60~1.00% 0.60~1% ---
Screening residues(100µm)%,≤ 1-3% 1-3% 3-5% 3-5% 5%
6. Packing pictures
Good price industrial grade Zinc Carbonate
Good price industrial grade Zinc Carbonate
Good price industrial grade Zinc Carbonate
Good price industrial grade Zinc Carbonate
 

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