Hyderabad
08048036175
+919848399491
Laboratory Chemicals by MNC CHEMICALS SURGICALS

Calcium oxide lumps

Phone Number

08048036175

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Email Address mnc.naveen@gmail.com

Mon-Thu: 10 AM - 2 PM • Fri: 3 PM - 7AM

Address Correspondence Address: Shop No. 20, 2nd Floor, Srirama Tower, Bogulkunta, Telangana

Hyderabad, India, 500001

Description

Calcium oxide lumps, also called quicklime lumps, are irregularly shaped, hard white to grayish chunks of CaO produced directly after calcination, typically 25–150 mm in size before optional crushing to powder.​ Properties These lumps have the same chemical reactivity as powder form—strongly alkaline, hygroscopic (absorb moisture and CO₂ from air, crumbling to powder), with density ~3.34 g/cm³ and exothermic hydration to Ca(OH)₂—but offer easier bulk handling and storage with reduced dust.​ Production Formed by heating limestone (CaCO₃) in rotary kilns at 900–1200°C (CaCO₃ → CaO + CO₂), yielding lumps that are cooled, screened, and shipped; high-purity lumps minimize impurities like MgO or SiO₂.​ Main uses Lumps are slaked on-site for mortar/plaster in construction, used as flux in steelmaking, soil stabilizer in agriculture, pH adjuster in water treatment, and raw material for chemicals like CaC₂ or bleaching powder.​

Model No. N-CH1523

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