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Calcium Hydroxide | Hydrated Lime

Calcium Hydroxide | Hydrated Lime

Calcium Hydroxide is a white, crystalline powder or colorless crystal, widely used in construction, water treatment, chemical processes, and environmental applications. Its strong alkaline nature makes it effective in neutralizing acids, softening water, and facilitating chemical reactions.


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Key Characteristics
  • Chemical Name: Calcium Hydroxide
  • Chemical Formula: Ca(OH)₂
  • Appearance: White powder or colorless crystal
  • Odour: Odorless
  • Common Concentrations: Technical, hydrated lime, or slaked lime (varies depending on use)
  • Density: Approx. 2.24 g/cm³ (solid form)
  • Melting Point: ~580°C (decomposes at high temperatures)
  • Boiling Point: Decomposes before boiling
  • Solubility: Slightly soluble in water (1.73 g/L at 20°C); forms limewater
  • Stability: Stable under normal conditions; reacts with acids and carbon dioxide
  • Hazard Nature: Strong alkaline; corrosive; can cause skin and eye irritation

Functional Properties
  • Strong alkaline agent for neutralization and pH adjustment
  • Softens water by precipitating calcium ions
  • Used as a flocculant in water and wastewater treatment
  • Reacts with carbon dioxide to form calcium carbonate
  • Facilitates chemical reactions such as saponification and sugar refining
  • Acts as a stabilizer and buffering agent in soils and industrial processes

Common Applications

Water & Wastewater Treatment
  • Adjusts pH, softens water, and removes impurities via precipitation
  • Used in sewage treatment to neutralize acidic effluents
Construction Industry
  • Key component of mortars, plasters, and cements
  • Used for soil stabilization and lime-based plastering
Chemical Manufacturing
  • Reactant in production of calcium salts, bleaching powder, and other chemicals
  • Used in sugar refining to remove impurities
Environmental Applications
  • Neutralizes acidic soils and acid mine drainage
  • Treats industrial effluents and controls odor
Food & Beverage Industry
  • Used in food processing as a firming agent (e.g., in canned vegetables)
  • Adjusts pH in certain food production processes

Advantages

  • Cost-effective and widely available
  • Strong neutralizing and alkaline properties
  • Useful in multiple industrial, environmental, and construction applications
  • Environmentally friendly when used properly; converts to harmless calcium carbonate on reaction with CO₂
  • Safe to handle with proper precautions

    Delivery Options

    • Peninsular Malaysia Delivery

    Payment Options

    • Cash on Delivery
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