SinterPure

SinterPure is a high-grade limestone,calcium carbonate flux engineered for iron and steel sintering and a wide range of metallurgical processes. It is used in base metal smelting, non-ferrous refining, ladle metallurgy and secondary steelmaking, where it helps adjust slag composition, improve slag fluidity and support efficient removal of impurities, resulting in cleaner, higher-quality metal output

Industries Served

  • Steel & Metallurgy

Chemical Composition

  • CaCO₃ ≥90–92%
  • Silica ≤1.8%

Particle Size

  • 0–3 mm (fine sinter mix)
  • 3–8 mm (standard sinter flux)
  • Custom sizes between 0–8 mm on request

Packaging & Handling

  • Supplied loose by open-body truck/tipper
  • Bulk supply by rail in open wagons
  • Available in 1 MT jumbo bags or 25/50 kg HDPE bags

Product Benefits

  • Enhances slag fluidity, impurity removal
  • Consistent calcium stabilizes slag chemistry
  • Improves sinter strength, reactivity
  • Supports cleaner metal production
  • Calibrated sizing ensures easy dosing
  • Reliable flux in metallurgy processes

FAQs

How does SinterPure improve the sintering process?
In iron ore sintering, SinterPure acts as a flux that binds fine particles, lowers melting temperatures and promotes uniform slag formation, resulting in stronger, more reactive sinter for blast furnace use.
Can SinterPure be used in non-ferrous metallurgy?
Yes. SinterPure is also used as a flux in copper, lead and other non-ferrous smelting and refining, where it adjusts slag basicity and improves impurity capture and removal.

Other Industries

Learn more about the industries Dr. Lime supports


Cement & Construction
Cement & Construction
Construction and AAC

High-grade limestone sweetener corrects marginal limestone, balances high-silica mixes, improves nodulization and kiln throughput and supports consistent strength development at grinding—stabilizing clinker and cement performance across plants.

Products used:

Steel & Metallurgy
Steel & Metallurgy
Steel and metallurgy

As a fluxing agent, limestone optimizes slag formation, reduces impurities and improves overall melt quality. In sintering, high-grade limestone binds fines and lowers melt temperature for strong, reactive sinter—supporting efficient blast furnace and cleaner steel in secondary metallurgy.

Products used:

Chemical & Industrial Processes
Chemical & Industrial Processes
Chemical industry

Chemical-grade limestone is a critical raw material for producing high-purity lime and calcium derivatives. Its consistent CaCO₃ content, low silica and minimal iron ensure predictable reactivity and clean conversion in calcination, hydration and chemical reaction processes. Whether in rotary kilns, PFR kilns, or shaft kilns, it supports reactive lime, PCC and specialty calcium compounds.

Products used:

Environmental & Water Treatment
Environmental & Water Treatment
Water treatment

For SO₂ control in thermal power, limestone FGD is a proven path to compliance. High-reactivity limestone works in wet scrubbers and spray dryers; in water treatment, lime neutralizes acidity, precipitates metals and polishes effluent for safer discharge.

Products used:

Power & Energy
Power & Energy
Power and environmental applications

CFB and coal-based units rely on limestone injection/FGD for SO₂ capture. High-reactivity limestone improves capture efficiency in both retrofit and new builds—helping plants meet stringent air-quality norms.

Products used:

Glass & Solar Panel Glass
Glass & Solar Panel Glass
Glass and solar glass

High-calcium, low-iron limestone lowers melting temperatures and stabilizes batch chemistry. Tight sizing ensures uniform melt flow; ultra-low iron is critical for solar, optical and premium architectural glass clarity.

Products used:

Poultry & Animal Feed
Poultry & Animal Feed
Poultry and animal feed

High-purity CaCO₃ provides bioavailable calcium for bone mineralization, muscle function and eggshell formation. Controlled particle sizes enable uniform mixing, predictable release and consistent feed performance across growth stages.

Products used:

Fertilizer and Agriculture
Fertilizer and Agriculture
Agriculture

To manage soil acidity, limestone supplies calcium (and magnesium where dolomitic), improving structure, microbial activity and nutrient availability. Result: better root development, balanced uptake and improved yields.

Products used:

Industrial Fillers & Additives
Industrial Fillers & Additives
Industrial fillers and additives

GCC/limestone powder is a cost-effective mineral extender for plastics, paints, rubber and more—improving bulk density, workability, rheology, dimensional stability and throughput with consistent sizing and low moisture.

Products used:

We Work With

    Ready to Partner

    Contact Us →
    • 360° Lime Ecosystem
    • Industry-Tailored Products
    • Global-Standard Processes