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Calcium Hydroxide

Calcium hydroxide (traditionally called slaked lime) is an inorganic compound with the chemical formula Ca(OH)2. It is a colorless crystal or white powder and is obtained when calcium oxide (called lim [+] Read More...
Other Equivalent Brand

Lime Powder

Generic Name:
LIME Powder
IMPA Code:
Packing Size:
25.00 Kg.(PWD)
Calcium Hydroxide
Soft, white crystalline powder with an alkaline, slightly bitter taste. Used for mortar, cements, white wash, soil conditioner, drying hold, and cleaning. Calcium Hydroide has many application  incl [+] Read More...
Using Procedure:
Calcium Hydroxide, is a versatile product with interesting properties that brings great benefits for industry, construction and the environment because it can be applied in several formats.Calcium hydroxide w [+] Read More...
Handling : Keep container dry. Do not ingest. Do not breathe dust. Never add water to this product. In case of insufficient ventilation, wear suitable respiratory equipment. If ingested, seek medical advi [+] Read More...
Technical Specifications:

Chemical Characteristics

Parameter                                                Test Method Test Result
Calcium Hydroxide Ca(OH)2 ASTM C-25 98.0 % min
Iron Oxide Fe2O3 ASTM C-25 0.30 % max
Aluminium Oxide Al2O3 ASTM C-25 0.20 % max
Sulfur S LECO 0.16 % max
Insoluble matters   0.5 % max
Chloride ppm Cl LECO 320 max
Magnesium Oxide MgO LECO 0.7 % max
Phosphate ppm PO4 LECO 600 max
Silicon Oxide SiO2 LECO 0.50 % max
Carbon Dioxide, wt % CO2 LECO 0.85 % max
Humidity % H2O  ASTM D-95 1.0 % max.


White Powder




2.211 g/cm3, solid

Calcium (Ca) 53.50%
Crystalline Silica <0.1%
Acid Insoluble
Silica (SiO2) 0.2%

Products based on calcium hydroxide have a surprisingly wide variety of applications. The fact is that slaked lime has been used since time immemorial and with amazing results. Some of imprtant application as below -

  • Waste Water/Water Treatment
  • Construction
  • Flue Gas Treatment
  • Chemical Processes and Chemical Reactions
  • Petrochemicals
  • Calcium Salts (citrates, phosphates, stearates),
  • Acid Neutralization
  • Chemical Reactions
  • Calcium Enrichment (food, pharmaceutical, neutraceutical).


Calcium hydroxide can be found in the food industry providing calcium and as a pH modifier, as well as in the management of gases, as it has a high effectivity in the capture of acidic pollutants from industrial smoke and vapours. It is also an additive in feeds improving animal nutrition, and is used in animal-pens for its disinfecting power, lowering the number of pathogens and virus. In the sugar-industry it can be used to precipitate out impurities and to obtain purified sucrose.

It also brings benefits in sludge treatment as it is an exceptional aid in the elimination of micro-organisms and bacteria which at the same time neutralizes bad smells.Its properties are especially useful for water treatment, because it acts as a clarifier, a coagulant, a neutralizer and for the precipitation of dissolved pollutants.

Handling  :  

Use in a well-ventilated area. Wear protective gloves/clothing and eye/face protection. Do not ingest. Do not breathe dust or fume. Avoid contact with skin, eyes and clothing. Keep away from extreme heat and flame. Keep away from bases, metals and other incompatibles. Keep container tightly closed when not in use. Keep only in original container. Wash thoroughly after handling. During preparation or dilution, always add liquid slowly to water and with constant stirring.

Storage : 

Conditions for safe storage : Store in a cool, dry, well-ventilated area. Store locked up. Store away from incompatibles and out of direct sunlight. Storage area should be clearly identified, clear of obstruction and accessible only to trained and authorized personnel. Inspect periodically for damage or leaks. Store in corrosion-resistant containers. Keep only in original container.

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Calcium Hydroxide

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