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Best-Selling Zinc Sulfate granular with Zn 21%
1.High purity
2.Lower heavy metal level
3.Classification: zinc sulphate
Formula | ZnSO4. 7H2O | |||
CAS No | 7446-20-0 | |||
Appearance | White crystalline powder | |||
HS Code | 28332930 | |||
EIENCS | 231-793-3 | |||
HG | 2326-2005 | |||
Mol Weight | 287.56 | |||
Odour | odourless | |||
Melting Point | Melting Point: It loses water at 30 degree C to give the hexahydrate and more water is lost at 70 degree C to form the monohydrate. Lose hexahydrate at 100 degree, The anhydrous salt forms at 280 degree C | |||
Density | 1.957 | |||
zinc sulphate heptahydrate | ||||
Content 98%min | ||||
Specification | Item | Unit | Specification | |
Zn Content | %min | 21 | ||
Pb | ppm Max | 10 | ||
As | ppm Max | 5 | ||
Cd | ppmMax | 10 | ||
Use | ZnSO4 is mainly used as raw material for the production of lithopone and zinc salts. It is also used in synthetic fiber industry, zinc plating, Pesticides, flotation, fungicide and water, purification. In agriculture, it is mainly used as feed additive and trace element fertilizer, , etc. | |||
Package | 20/25 kg bags with plastic woven bag, or 1250/1350 kg bags with inner bags on pallets or according to your request. | |||
Storage | Dry and hermetic | |||
ITEMS AND RESULT | ||
ITEMS | ATANDARD | RESULT |
Al2O3 % | 16.5 | 17.00 |
Water insoluble % | 0.1 | 0.05 |
PH value 1% aqueous solution | 3.0 | 3.19 |
As % | 0.0001 | 0.0001 |
Heavy metals as Pb % | 0.002 | NONE DETECTED |
Fe2O3 % | 0.01 | 0.005 |
1. Molecular formula: li2co3
2. Appearance: white crystal powder
3. Cas number: 554-13-2
4. Purity: 99.5%min
5. Specificaition:
lc-b2n5 | lc-b3n | |
li2co3 % | 99.5 min | 99.9 min |
ca % | 0.008 max | 0.002 max |
cl % | 0.005 max | 0.005 max |
fe % | 0.002 max | 0.001 max |
mg % | 0.010max | 0.001 max |
na % | 0.020 max | 0.002 max |
so4% | 0.050 max | 0.020 max |
h2o % | 0.300 max | 0.300 max |
7. Application:
8. Sample available.
Additional Information:
Payment Terms : L/C, T/T, Western Union
Packaging Details : best quality
Delivery Time : 7 days
Specifications
TDI toluene diisocyanate
1.used in production polyester-based soft foam,
2.high-bearing sponges
3.semi-rigid ester foam
TDI
TDI-toluene diisocyanate (TDI 80/20)
Application: This product is isocyanate ester product, can replaced all or part of the T80 , can improved the compression load of the product , it is widely used in the production of polyester-based soft foam, high-bearing sponges, semi-rigid ester foam, high resilience, slow rebound , paint and other industries.
Specifications:
Appearance | this product is colorless or pale yellow liquid |
2, 4-content (%) | 63-67 |
2, 6-content(%) | 33-37 |
Purity(%) | 99.5 |
The chlorine content(%) | 0.01 |
Acid (HCL ) | 0.005 |
Color value (APHA) | 20 |
Packaging and storage:
250KG iron packaging and stored in a cool, dry, well-ventilated place and avoid direct sunlight and away from heat and water, prevent exposure, rain. After open and unspent , dry nitrogen should added for protection .
Protective measures:
If the spilling happen , use industrial alcohol, sawdust, sand covered
Additional Information:
Packaging Details : drum
Delivery Time : 7
| Component | Range | Typical |
| Assay(Na2S2O5) | 96.0%min. | 97.50% |
| Ironcontent(baseonFe) | 0.005%max. | 0.00% |
| waterinsolublematter | 0.05%max. | 0.02% |
| Arseniccontent(baseonAs) | 1ppmmax. | 1ppm |
| Pb | 10ppmmax. | 5ppm |
| Appearance | Whiteoryellowishcrystallinepowder | |
Physical properties:
It is white or tiny yellow crystal powder. Its relative density is 1.4. The solubility is 54g/100mlwater at 20C or 81.7g/100mlwater at 100C, and the solution show acidity. It can solute in glycerine and little in alcohol. When exposed in air, it will oxidized into sodium sulfate, and can react with strong acid into sulfur dioxide gas and the salts. It is deliquescent, and will decompose when heated to 150C.
Sodium pyrosulfite | (SO2)65% |
iron | 0.005% |
value of PH | 44.6 |
heavy metal (Pb)% | 0.002% |
(As)% | 0.0001% |
appearance | white or tiny yellow crystal powder |
Application:
1.Used in medicine when producing chloroform, solasulfone and methnylal;
2.used as coagulant in rubber industry;
3.used as dechlorided agent or assistants in printing and dyeing industry;
4.used to improve leather properties in leather industry;
5.used as developing agent in photosensitivity industry;
6.used when producing hydroxyl geranial,
hydrochloric hydroxylamine in chemical industry;
7.used as bleaching agent, antiseptics, antioxidant, ect.in food industry.
Precipitated barium sulphate 98%
BaSO4: 98% Min.
Gravity: 4.20 min
Competitive Price
UN1823
Precipitated barium sulphate 98%
Origin
Origined in Fujian Province, China, Very Famous area of Barite products, We have different grade to meet the clients demand.Please contact with us.
Use:
1. As a weighting agent for drilling fluids in oil and gas exploration.
2. Used in the car, electronics, TV screen, rubber, and glass ceramics and paint industry.
3. As surface smear for photographic paper and calendered paper; as sizing agent for textile industry.
4. As clarifying agent for glass products.
5. Radiation shielding and medical applications; also used for ceramics, enamel, perfumes and pigments.
Certificate of Analysis
Used in oil driiling, powder coating, painting, ink, rubber, pigment, storage battery, plastics etc
Main content: 98.0% min
PH value: 6.5-8
Water Soluble: 0.3% max.
Iron(on Fe basis) :0.006% max
Moisture:0.2% max
Whiteness(MgO 100%):95% min.
Oil absorption(g/100g):15-18%
Sieve Residue(0.045um): 0.1% max.
Stability: Stable
Polymerization: No Polymerization
Moisture: 1% max.
Packing & Storage:
In plastic woven bag lined with plastic; net wt. net wt. 25kgs/bag, stored in dry warehouse; no mixing with color articles; handle with are to protect packing.
Additional Information:
Payment Terms : L/C, D/A, D/P, T/T, Western Union,
Packaging Details : bags
Delivery Time : 10 days
