Calcium Product
Pioneers in the industry, we offer natural pure heavy calcium carbonate, calcium carbonate grit, calcium aluminium silicate, calcium carbonate, natural pure light calcium carbonate and calcium oxide from India.Natural Pure Heavy Calcium Carbonate
Approx. Rs 13.5 / KilogramGet Latest Price
Product Details:| Minimum Order Quantity | 100 Kilogram |
| Brand | Astrra Chemicals |
| Chemical Formula | CaCO3 |
| Brightness | 97% |
| Whitness | 98% |
| Proportion | 1.38g / cm3 |
| Loss O Fignition | 43.08% |
Physical Analysis:
| Calcium Oxide | CaCO3 | ≥ 98.00% |
| Magnesium Oxide | MgO | ≤ 00.68% |
| Ferric Oxide | Fe2O3 | ≤ 00.04% |
| Aluminium Oxide | Al2O3 | ≤ 00.04% |
| Silica | SiO2 | ≤ 00.70% |
| Sodium Oxide | Na2O | ≤ 00.16% |
Calcium Carbonate Grit
Approx. Rs 16.50 / KilogramGet Latest Price
Product Details:| Minimum Order Quantity | 100 Kilogram |
| Color | White |
| State | Powdered |
| Brand | Astrra Chemicals |
| Formula | CaCO3 |
| Melting point | 825 Deg C |
We are dedicatedly engaged in manufacturing, supplying, wholesaling and exporting quality-approved Calcium Carbonate Grit. All these products are processed by experienced professionals using high-grade ingredients and chemical compounds. Post-processing, these chemicals are tested by quality controllers on certain well-defined parameters of quality.
Features:
- Longer shelf life
- Pure
- Good uniformity
Uses:
- Construction
- Drilling work
Calcium Aluminium Silicate
Approx. Rs 48 / KilogramGet Latest Price
Product Details:| Minimum Order Quantity | 100 Kilogram |
| Brand | Astrra Chemicals |
| Usage/Application | Industrial |
| Molecular Formula | Al2SiO5 |
| Packaging Type | HDPE Bag |
| Molar Mass | 162.0456 g mol1 |
We are a prominent manufacturer, supplier, wholesaler and exporter of Calcium Aluminium Silicate. All these products are processed using optimum-grade chemical compounds employing latest equipment. Besides, our logistics personnel ensure to timely deliver the offered range at customers' destination using easy modes of shipment.
Features:
- White in color
- Effective
- Moisture resistant
Certificate Of Analysis:
| Appearance | White Powder |
| Brightness(ISO) | 82+/-0.5% |
| Loss on ignition | 14%(Max) |
| Coarse particle on 53 Micron IS SIEVE (Max) | 0.05%(Max) |
| Ph (of 20% aqueous solution) | 4.5 to 6.5 |
| Particles less than 2 micron | 68% w/w (Min) |
| Bulk density | 0.8%+-0.1 gm/cc |
| Moisture | 1%(Max) |
| Melting point | 1735 Deg.C |
| Specific gravity (H2O=1) | 2.63 |
Chemical analysis (w/w)%:
| Silica | 45.17 |
| Ferric Oxide | 0.50(Max) |
| Alumina | 37.59 |
| Titanium Dioxide | 0.5 |
| Calcium Oxide | 0.22 |
| Magnesium Oxide | 0.12 |
| Sodium Oxide | 0.31 |
| Potash | 0.07 |
Calcium Carbonate
Approx. Rs 12.5 / kgGet Latest Price
Product Details:| Minimum Order Quantity | 100 kg |
| Color | White |
| Brand | Astrra Chemicals |
| Formula | CaCO3 |
| Molar mass | 100.0869 g/mol |
| Density | 2.71 g/cm3 |
Certificate of analysis:
Silica | SiO2 | 0. 37% |
Alumina | Al2O3 | 0. 20% |
Ferric Oxide | Fe2O3 | 0. 04% |
Titanium Oxide | TiO2 | Nil |
Calcium Oxide | CaO | 55. 46% |
Calcium Carbonate | CaCO3 | 98.98% |
Magnesium Oxide Carbonate | MgO | 0.16% |
Magnesium Carbonate | MgCO3 | 0. 33 |
Sulphur | SO3 | 0. 007% |
Phosphorus | P2O5 | 0. 003% |
Loss on Ignition | - | 43. 70% |
Oil Absorption | - | 21. 59% |
Water Absorption | - | 39 . 43 |
Bulk Density | . | 1.17% gm/cc |
Alkalies etc. by difference |
| 0. 06% |
Whiteness by reflection Compared with MgO takenas 100% | - | 99. 00% |
Natural Pure Light Calcium Carbonate
Approx. Rs 16.5 / KilogramGet Latest Price
Product Details:| Minimum Order Quantity | 50 Kilogram |
| Brand | Astrra Chemicals |
| Physical Form | Powder |
| Chemical Formula | CaCO3 |
| Density | 2.71 g/cm3 |
| Melting Point | 825 Deg C |
Physical Analysis:
| Calcium Oxide | CaCO3 | ≥ 98.00% |
| Magnesium Oxide | MgO | ≤ 00.68% |
| Ferric Oxide | Fe2O3 | ≤ 00.04% |
| Aluminium Oxide | Al2O3 | ≤ 00.04% |
| Silica | SiO2 | ≤ 00.70% |
| Sodium Oxide | Na2O | ≤ 00.16% |
Chemical Analysis:
| Brightness | ≥ 97% |
| Whitness | ≥ 98% |
| Moisture | ≤ 0.2% |
| Proportion | 1.3g / cm3 |
| Oil Apsorption | ≥ 23G/100g CaCO3 |
| Loss O Fignition | ≤ 43.08% |
| D50 | ≤ 4.0µm |
| D97 | 20± 2 µm |
Calcium Oxide
Approx. Rs 21.00 / KilogramGet Latest Price
Product Details:| Minimum Order Quantity | 100 Kilogram |
| Brand | Astrra Chemicals |
| Packaging Type | HDPE Bags |
| Packaging Size | 50 kg |
| Physical State | Powder |
| Melting Point | 2613 Deg C |
| Density | 3.34 g/cm3 |
Calcium Meta Silicate
Approx. Rs 79 / KilogramGet Latest Price
Product Details:| Minimum Order Quantity | 50 Kilogram |
| Color | White |
| Molar mass | 172.24 g/mol |
| Formula | Ca2O4Si |
| Melting point | 2,130 Deg C |
| Brand | Astrra Chemicals |
Certificate of analysis:
Chemical properties | test method no. | actual |
Casio3 as cao + sio2 | tp/soh/qc/01 | 93. 50% |
Loss on ignition as loi | “ | 4. 43% |
R@o3 as fe2o3 + al2o3 | “ | 1. 28% |
Other content | - | 0. 79% |
Physical properties:- |
|
|
Brightness ( as compared with 100% mgo ) | tp/soh/qc/01 | +72. 00 |
Bulk density ( gm / ml ) Loose: Tapped |
“
“ |
0. 68 1. 17 |
Sieve analysis:- | “ |
|
Retention on 200 mesh ( bss ) | ‘ | 0. 80 |
Moisture content | “ | 0. 045 |
Calcium Carbonate
Approx. Rs 16.5 / kgGet Latest Price
Product Details:| Minimum Order Quantity | 100 kg |
| Chemical Formula | CaCO3 |
| Brand | Astrra Chemicals |
| Molar mass | 100.0869 g/mol |
| Density | 2.71 g/cm3 |
| Melting Point | 825 Deg C |
Certificate of analysis:
| Appearance | Fine white powder; chalky taste |
| Odor | odorless |
| Density | 2.711 g/cm3 (calcite) 2.83 g/cm3 (aragonite) |
| Melting point | 825 °C (aragonite) 1339 °C (calcite)[2] |
| Boiling point | decomposes |
| Solubility in water | 0.0013 g/100 mL (25°C)[3] |
| Solubility product, Ksp | 4.8×10−9[1] |
| Solubility in dilute acids | soluble |
Dicalcium Phosphate
Approx. Rs 29 / kgGet Latest Price
Product Details:| Minimum Order Quantity | 100 kg |
| Brand | Astrra Chemicals |
| Chemical Formula | CaHPO4 |
| Molar mass | 136.06 g/mol |
| Packaging Type | HDPE Bag |
Owing to our vast experience, we have been successful in catering to the requirements of our esteemed clients by offering high quality Di Calcium Phosphate. High grade chemical compounds are used to process the offered range. These products are used as dietary supplements and tableting agents. Also, it is used in toothpastes and poultry feed.
Features:
- Longer shelf life
- Moisture resistant
- Excellent uniformity
Uses:
- Dicalcium phosphate is mainly used as a
- Dietary supplement
- Tableting agent
- Eliminate body odor
- Poultry feed
- Toothpastes as a tartar control agent.
Certificate of analysis:
| Calcium | Min.23% |
| Phosphorus | Min.17% |
| Fluorine | Max.0.1% |
| Moisture | Max.5% |
Calcium Silicate
Approx. Rs 79 / KilogramGet Latest Price
Product Details:| Minimum Order Quantity | 10 Kilogram |
| Brand | Astrra Chemicals |
| Formula | Ca2O4Si |
| Molar mass | 172.24 g/mol |
| Melting point | 2,130 Deg C |
We are engaged in manufacturing, supplying, wholesaling and exporting high quality Calcium Silicate. All these chemicals are processed utilizing high grade chemical compounds following industry set standards. Available in various grades and specifications, these reasonably priced products are extensively used in construction applications.
Features:
- Effective
- Longer shelf life
- Moisture resistant
Calcium Silicate and Orthosilicate
Approx. Rs 79 / KilogramGet Latest Price
Product Details:| Minimum Order Quantity | 100 Kilogram |
| Color | White |
| Brand | Astrra Chemicals |
| Molar mass | 172.24 g/mol |
| Melting point | 2,130 Deg C |
Specifications:
| Property | Unit | Value |
| Surface Area ( Bet) | M2/GM | 200 – 225 |
| Average Partical Size | Micron | 2. 8 |
| Ph (2% Aqueous Solution) | - | 9. 5 – 10. 5 |
| Moisture Loss On Drying At 105 Deg.c (2 Hours ) | % | 6. 5 |
| Ignition Loss At 900 Deg.c | % MAX. | 8. 0 |
| Water Absorption | % | 300 – 440 |
| Bulk Density | gm / cc | 0. 07 – 0. 12 |
| Whiteness | % | 95 – 98 |
| Refractive Index | - | 1. 47 |
| Specific Gravity | - | 2. 1 |
| Silica ( Sio2) | % | 78. 5 |
| Calcium ( Cao) | % | 19. 2% |
| Chlorides | % | Traces |
| Sulphate | % | Traces |
| Lead (Pb) | PPM Max. | 5 |
| Arsenic ( As ) | PPM MAX | 2 |
Calcium Citrate
Approx. Rs 75 / KilogramGet Latest Price
Product Details:| Brand | Astrra Chemicals |
| Packaging Type | HDPE Bag |
| Packaging Size | 25 kg/bag |
| Physical Form | Powder |
Certificate of analysis:
Description | white crystalline odorless powder |
Solubility | complies |
Loss on drying | 11. 3% |
Arsenic | complies |
Acid insolubles | 0. 1% |
Heavy metals | complies |
Fluoride | complies |
Lead | complies |
Particle size | complies |
Assay ( anhydrous basis ) | 99. 2% |
Calcium Fluoride
Approx. Rs 32 / KilogramGet Latest Price
Product Details:| Minimum Order Quantity | 100 Kilogram |
| Brand | Astrra Chemicals |
| Chemical Formula | CaF2 |
| Molar mass | 78.07 g/mol |
| Melting Point | 1,418 Deg C |
Certificate of analysis:
Ca F2 assay | 98% min. |
Ca CO3 | 0.2% Max |
Si O2 | 0.8% Max |
P2 O5 | 0.015% Max |
Calcium Sulphate Dihydrate
Approx. Rs 200 / kgGet Latest Price
Product Details:| Minimum Order Quantity | 100 kg |
| Brand | Astrra Chemicals |
| Formula | CaSO4 |
| Molar mass | 136.14 g/mol |
| Melting Point | 1,460 Deg C |
Certificate of analysis:
Test | Standard | Result |
Solubility | very slightly soluble in water, soluble in hot water and dilute acids | conforms |
Chloride (cl) | max. 0. 04% | complies |
Iron (fe) | max. 0. 005% | complies |
Carbonate (co3) | max. 0. 2% | complies |
Assay | min. 98% | 99. 92% ( caso42h2o) |
Calcium Chloride
Approx. Rs 29 / kgGet Latest Price
Product Details:| Minimum Order Quantity | 100 kg |
| Brand | Astrra Chemicals |
| Formula | CaCl2 |
| Melting Point | 782 Deg C |
| Boiling Point | 1600 Deg C |
| Specific Gravity | 2.15 |
Calcium Magnesium Carbonate
Approx. Rs 14.5 / kgGet Latest Price
Product Details:| Minimum Order Quantity | 100 kg |
| State | Powdered |
| Brand | Astrra Chemicals |
| Mohs scale hardness | 3.5 to 4 |
| Luster | Vitreous to pearly |
| Specific gravity | 2.84-2.86 |
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Sanklesh Fatechand Chabria (Managing Partner)
Chennai - 600006, Tamil Nadu, India
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