Harshil Industries
Sarigam, Valsad, Gujarat
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Cryolite Chemicals
Cryolite is an uncommon mineral of very limited natural distribution. Mostly considered a one locality mineral, although there are a few other minor localities, it was only found in large quantities on the west coast of Greenland.
It was used as a solvent of the aluminum rich ore, bauxite, which is a combination of aluminum oxides such as gibbsite, boehmite and diaspore. It is very difficult to remove atoms of aluminum from atoms of oxygen which is necessary in order to produce aluminum metal. Cryolite made an excellent flux to make the process less expensive. Now it is too rare to be used for this purpose and sodium aluminum fluoride is produced artificially to fill the void.
A curious note about cryolite is the fact that it has a low index of refraction close to that of water. This means that if immersed in water, a perfectly clear colorless crystal of cryolite or powdered cryolite will essentially disappear. Even a specimen of cloudy cryolite will become more transparent and its edges will be less distinct, an effect similar to ice in water except that the ice floats.
Carving a safe niche for ourselves in the market, we are engaged in manufacturing, supplying, wholesaling and exporting an extensive range of Cryolite Chemicals. Under the supervision of our diligent chemical engineers, these products are formulated with ultra-grade ingredients. To ensure their quality, we tested these chemicals on varied parameters. The offered products are demanded by the clients for their quality as per the international standards. Our range encompasses Sodium Cryolite and Potassium Cryolite which are detailed as follows:
Potassium Cryolite
Minimum Order Quantity: 100 Kg
| Brand | Harshil Industries |
| Purity | 98.5% |
| Grade | Industrial |
| Usage/Application | Grinding wheel , fluxes |
| Packaging Type | HDPE bags with inner Linear |
| Packaging Size | 25 kg bags |
| Physical Form | fine powder |
| Chemical Formula | K3AlF6, KAlF6 |
| CAS Number | 13775-52-5 |
| Molecular Weight | 258.28 |
| pH Value | 6.5 TO 7 |
| Specific Gravity | 3 |
| Density | 450-600 KG/M3 |
| Melting Point | 500 TO 550 C |
| Boiling Point | N/A |
| Solubility | INSOULBLE |
| Appearance | White powder |
| Moisture | 0.2 % |
| Hardness | N/A |
| Electronegativity | N/A |
| Refractive Index | N/A |
| Storage Condition | Store in dry and cool place |
| UN Number | NON-HAZARDOUS |
| Shelf Life | 2 years |
| HS Code | 28263000 |
Chemical Name: Potassium Cryolite
CAS No.: 13775-52-5
Chemical Formula: K₃AlF₆
Molecular Weight (M.W.): 258.00 g/mol
Appearance: White or light gray powder
Purity (Assay): 98.5%
Fluorine (as F): 44.18%
Aluminum (as Al): 16%
Chloride (as Cl): 0.003%
Sulphate (as SO₄): 0.002%
Lead (as Pb): 0.2%
- Cost-Effective: Potassium Cryolite is economically priced for industrial use.
- Ultra-Pure: Manufactured to high purity standards, ensuring effective performance in various applications.
- Fine Finish: Provides excellent finish and smoothness in final products.
- Form: White crystalline powder or sandy-sized granules.
- Specific Gravity: 2.95–3.01 g/cm³
- Melting Point: Approximately 1000°C
- Specific Heat: 1.056 J/g°C (at 18-100°C)
- Solubility: Slightly soluble in water, insoluble in anhydrous hydrogen fluoride.
- Loss on Ignition: 10.34% at molecular ratio 1.74, 6.22% at molecular ratio 2.14, and 2.56% at molecular ratio 2.63 (at 800°C).
- Flux in Aluminum Smelting: Used in fused-salt electrolysis for aluminum smelting.
- Opacifier in Enamel Manufacturing: Used as an opacifier in enamel production.
- Glass and Enamel: Works as an auxiliary solvent in glass and enamel manufacturing.
- Insecticide: Used as an insecticide for crops.
- Aluminum Alloy Casting: Serves as a flux in aluminum alloy casting.
- Ferrous Alloy Production: Involved in the production of ferrous alloys and effervescing steel.
- Abrasive Materials: Used as a wear-resistant filler for resin and rubber-bonded abrasive wheels.
- Storage: Keep in a dry and cool place. Avoid contact with moisture and incompatible materials.
- Caution: The product is toxic and should be handled with care. Proper protective equipment and ventilation are advised when handling.
Additional Information:
- Pay Mode Terms: L/C (Letter of Credit),T/T (Bank Transfer)
- Port of Dispatch: Mumbai
- Production Capacity: 100 METRIC TON
- Delivery Time: 15 DAYS
- Packaging Details: In 25kg/50kg plastic woven bag lined with high pressure polyethylene plastic bag.
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Sodium Cryolite Powder Tech
Minimum Order Quantity: 500 Kg
Product Brochure
| Brand | HARSHIL INDUSTRIES |
| Physical State/Form | Solid |
| Grade | Technical and pure |
| Usage/Application | Grinding wheels,selves foundry,foundry flux |
| Dimension | Powder |
| Color | Industrial |
| Packaging Size | 25 Kg bags with inner linear |
| Packaging Type | Bags |
| Chemical Formula | Na3AlF6 |
| Purity | 98 % |
| Molecular Weight | 210 |
| Grade Standard | Technical Grade |
| CAS Number | 15096-52-3 |
| Boiling Point | N/A |
| Solubility | Not soluble |
| Appearance | White powder |
| Moisture | 0.1% |
| Hardness | N/A |
| Shelf Life | 3 years |
| Electronegativity | N/A |
| PH Value | 6.5 to 7 |
| Refractive Index | N/A |
| Melting Point | 1000 c |
| Storage Condition | N/A |
| Chemical Characteristics | N/A |
| Assay | 98% |
| Weight | 25 kg bags |
| UN Number | 3077 |
| EC Number | 239-148-8 |
| Material | Fine powder |
| HS Code | 28263000 |
| Country of Origin | Made in India |
Sodium Cryolite, also known as sodium aluminum fluoride, sodium fluoaluminate, or kryolith, is a white crystalline powder or granular material. It is primarily used as a flux in the electrolytic production of aluminum, helping to lower the melting point of alumina. Sodium Cryolite is also used in various other industries, including glass manufacturing, enamel production, abrasives, and as an insecticide in agriculture.
Key Applications:- Aluminum Smelting: Used as a flux in the fused-salt electrolysis process to extract aluminum.
- Glass & Enamel Industry: Functions as an opacifier, auxiliary solvent, and opalizer.
- Insecticide: A relatively safe insecticide for crops, inhibiting certain enzymes by affecting iron, calcium, and magnesium.
- Abrasive Manufacturing: Used as a wear-resistant filler in resin and rubber-bonded abrasive wheels.
- Other Uses: In the production of aluminum alloys, ferrous alloys, and effervescing steel, as well as in the manufacture of milky white glass.
- Appearance: White crystalline powder or sandy-size granules (sometimes with a pinkish hue).
- Specific Gravity: 2.95–3.05 g/cm³
- Melting Point: ~1025°C
- Specific Heat: 1.056 J/g°C (between 18°C and 100°C)
- Solubility: Slightly soluble in water; insoluble in anhydrous hydrogen fluoride.
- Loss on Ignition: Varies with molecular ratio (10.34% at 1.74, 6.22% at 2.14, and 2.56% at 2.63).
- Fluxing Agent: Main use in aluminum smelting to lower alumina’s melting point.
- Glass & Enamel Production: Used as an opacifier and auxiliary solvent.
- Insecticide: Effective for crop protection.
- Abrasives: Used in the production of abrasive wheels.
- Versatile Industrial Use: Employed in the manufacture of aluminum alloys, milky white glass, and steel.
- Molecular Weight: 210.00
- CAS No: 13775-53-6
- Appearance: White powder
- Assay: 98.5%
- Fluorine (as F): 54.28%
- Aluminum (as Al): 12.68%
- Free HF: 0.02%
- Silica (SiO₂): 0.01%
- Sulphate (SO₄): 0.004%
- Iron (Fe₂O₃): 0.01%
- Lead (Pb): 0.02%
- Available in 25 kg or 50 kg plastic woven bags, lined with high-pressure polyethylene plastic bags for added protection.
Additional Information:
- Pay Mode Terms: L/C (Letter of Credit),T/T (Bank Transfer),COD
- Port of Dispatch: Mumbai , Mundra
- Production Capacity: 200 Metric ton per month
- Delivery Time: 15 Days
- Packaging Details: In 25kg/50kg plastic woven bag lined with high pressure polyethylene plastic bag.
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Synthetic Cryolite
Product Brochure
| Physical State | Powder |
| Usage | Industrial |
| Grade Standard | Technical Grade |
| Packaging Size | 25 kg bags |
| Packaging Type | HDPE BAGS WITH INNER LINEAR |
| Usage/Application | Grinding wheels, foundry flux , Aluminium smelting |
| Purity | 98 |
| PH Value | 6.5 |
Sodium cryo lite , sodium aluminum fluoride, sodium fluoaluminate, sodium fluoroaluminate, sodium hexafluoroaluminate, trisodium hexafluoroaluminate, sodium aluminofluoride, aluminum sodium fluoride, kryolith, kryocide, cryolite, ice spar.
(Na3AlF6). Synthetic cryolite is a white crystalline powder manufactured from hydrofluoric acid, sodium carbonate, and aluminium. Synthetic cryolite is used chiefly as a flux in the electrolytic production of aluminum as it effectively lowers down the melting point of alumina. It is used in the glass and enamel industries, in bonded abrasives as a filler, in making salts of sodium and aluminum and porcelaneous glass and in the manufacture of insecticides. Cryolite is a relatively safe fruit and vegetable insecticide. The fluoride ion inhibits many enzymes that contain iron, calcium, and magnesium.
sodium cryolite is a white crystalline powder or a sandy-size granularity, and a pinkish crystalline powder or a sandy-size granularity as well. Sp.gr.2.95—3.05g/cm3, melting point about 1025°C, specific heat 1.056j/g°C at 18—100°C. It’s slightly soluble in water, but insoluble in anhydrous hydrogen fluoride. The content of its crystal water will be decreased while the increasing of the molecular ratio, therefore its loss on ignition will be also decreased while the increasing of the molecular ratio. After the paste of synthetic cryolite with different molecular ratio dehydrates, the loss on ignition at 800°C will appear 10.34%, 6.22% and 2.56% when the molecular ratio reaches 1.74, 2.14 and 2.63 reactively.
Features:
Sodium cryolite mainly used as a flux in the aluminum smelting by fused-salt electrolysis; also an opalizer in the manufacture of enamel; an opacifier and auxiliary solvent of glass and enamel; an insecticide of crops; a flux in aluminum alloy casting; and in the production of ferrous alloy and effervescing steel; as well as a wear-resistant filler for resin and rubber-boned abrasive wheels.
sodium cryolite is used as flux in aluminum smelting, cropper insecticide, flux and whiting agent of enamel glaze. It is also used in the manufacture of milky white glass, aluminum alloy and boiling steel. Its used as ingredient of grinding wheel.
Specifications:
sodium cryolite
Molecular weight: 210.00
Cas No : 13775-53-6
Description: White powder
Assay: 98.5%
Fluorine value as F: 54.28%
Aluminum content as Al: 12.68%
Free HF: 0.002%
Silica as SiO2: 0.6%
Sulphate as SO4: 0.004%
Iron as fe203 :0.05%
Lead as Pb: 0.02%
packing : In 25kg/50kg plastic woven bag lined with high pressure polyethylene plastic bag.
Additional Information:
- Pay Mode Terms: L/C (Letter of Credit),T/T (Bank Transfer),D/P
- Port of Dispatch: Nhavasheva
- Production Capacity: 200 metric ton
- Delivery Time: 15 days after purchase order
- Packaging Details: 25 kg bags
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